Verified U.S. Physicians for Healthcare AI

Real Physicians.Verified Expertise.Better Clinical AI.

Recruit NPI-matched, actively licensed U.S. physicians for model evaluation, clinical reasoning, red teaming, safety review, and expert feedback.

Identity, license, specialty, and project-specific qualifications are verified before participation.

Receive a feasibility assessment and recommended cohort plan within one business day.

  • NPI Matched
  • License Checked
  • Specialty Confirmed
  • Project Qualified
U.S. physician reviewing clinical AI evaluation data on dual monitors
Sample Verified Physician Profile Active
Dr. Maya Alvarez, MD
Cardiology · Board Certified
Identity Verified
NPI Matched
Medical License Active
Specialty Confirmed
Board Certification Verified
Project Screening Qualified
U.S.-licensed physicians NPI verification State license review Specialty validation Project-specific screening Managed honoraria
Proven Operating History

Human Layer AI Is New.The Experience Behind It Is Not.

Human Layer AI is backed by Focus Insite's established recruiting, verification, and project-delivery infrastructure, recognized for growth, leadership, workplace culture, and operational execution.

2× Inc. 5000 logo

2× Inc. 5000

Repeatedly recognized among America's fastest-growing private companies.

Soaring 76 logo

Soaring 76

Named among the Philadelphia region's fastest-growing businesses.

Great Place to Work Certified logo

Great Place to Work Certified

Recognized for building a strong, people-first operating culture.

Best Companies for Remote Workers logo
Best Companies for Remote Workers
Recognized by Quartz for distributed workforce excellence.
Titan 100 CEO logo
Titan 100 CEO
Leadership recognition for regional executive impact.
Fortune 100 Project Experience logo
Fortune 100 Project Experience
Experience supporting research and recruiting initiatives for leading enterprise organizations.

Recognition Matters.Execution Matters More.

More than 2,400 research and recruiting projects delivered with rigorous sourcing, participant verification, operational management, and client support.

10+
YEARS
Healthcare recruiting experience
2,400+
PROJECTS
Research and recruiting engagements delivered
50+
SPECIALTIES
Clinical specialties and subspecialties
U.S.
FOCUSED
Healthcare recruiting infrastructure
THE RISK OF UNVERIFIED EXPERTISE

Medical AI Doesn't
Fail Quietly.

When clinical models are trained or evaluated by anonymous, unqualified, or poorly matched contributors, small errors can become unsafe recommendations, missed diagnoses, and real-world harm.

When the stakes are clinical, "close enough" is not good enough.

Verified physicians bring real clinical judgment, specialty knowledge, and accountability to every evaluation.

Physician reviewing an AI-generated clinical answer on a dual-monitor workstation
Hallucinated Diagnoses
Unsupported conclusions presented as clinical fact.
Missed Contraindications
Medication conflicts or patient-history risks may be overlooked.
Unsafe Recommendations
Incomplete evaluation can produce harmful treatment guidance.
Incomplete Differential Diagnoses
Important alternative conditions may be missed.
Specialty-Specific Blind Spots
Generic reviewers may lack the expertise required for the task.
Unsafe Patient-Facing Language
Poorly evaluated outputs may confuse or endanger patients.

Anonymous contributors create anonymous accountability.
Verified physicians create defensible clinical feedback.

THE VERIFICATION GAP

Physician Profiles Are Easy to Find.
Verified Clinical Expertise Is Not.

Generic marketplaces give you self-reported profiles. Human Layer AI provides documented evidence of identity, licensure, specialty, and project fit.

Sample verified physician portrait
SAMPLE PROFILE
SAMPLE VERIFIED PHYSICIAN
Dr. Maya Alvarez, MD
Cardiology · Board Certified
IdentityVerified
NPIMatched
Medical LicenseActive
SpecialtyConfirmed
Board CertificationVerified
Project ScreeningQualified
Illustrative example. Not a real participating physician.

Generic Marketplace Profile

SELF-REPORTED
  • Claimed identity
  • Self-reported credentials
  • Broad specialty label
  • Minimal task screening
  • No documented contribution history

Human Layer Verified Physician

VERIFIED
  • Identity matched
  • NPI record matched
  • Medical license checked
  • Specialty confirmed
  • Project-specific qualification
  • Contribution history documented

The Profile Is the Claim.
Verification Is the Product.

The Verification Pipeline

Credential Verification Is Not a Checkbox.
It Is a Defensible Record.

Each physician moves through a risk-adjusted workflow that documents identity, licensure, specialty, project fit, and contribution readiness.

Illustrative Profile
Physician Verification Record

Dr. Maya Alvarez, MD

Cardiology · Texas

Level
Enhanced
Status
Current
Reviewed
Jul 2026
Verification Progress
1 checks applied for this project
  • Identity
    Verified
  • NPI
    Pending
  • Medical License
    Pending
  • Specialty
    Pending
  • Project Qualification
    Pending
  • Liveness Check
    Pending
In Review
Sample data shown
  1. 01

    Identity Match

    Match the contributor to a documented identity.

  2. 02

    NPI Match

    Match the physician against the National Provider Identifier registry.

  3. 03

    License Verification

    Confirm active state licensure and relevant jurisdiction.

  4. 04

    Specialty Validation

    Validate specialty, board certification, and clinical background.

  5. 05

    Project Qualification

    Confirm task-specific experience, disease-state knowledge, and project fit.

  6. 06

    Risk-Based Assurance

    Add liveness or video verification when the project risk requires it.

Step 06 applies to higher-risk workflows and is not required for every project.

Verification Depth Adjusts to Project Risk.

A low-risk survey and a high-stakes clinical safety evaluation should not use the same verification standard.

STANDARD
  • Identity
  • NPI
  • Medical license
Recommended
ENHANCED
  • Specialty
  • Experience
  • Project screening
HIGH ASSURANCE
  • Video or liveness
  • Deeper credential review
  • Contribution monitoring

Built for More Than Recruitment.

Verification produces a defensible record that supports every downstream review.

Client Reporting

Document who completed the work.

Internal Review

Trace qualifications and screening decisions.

Compliance Support

Preserve credential and verification evidence.

Future Audits

Connect model feedback to its human source.

Chain of Human Custody™

Every Clinical Judgment
Should Have a Verifiable Source.

Every contribution is connected to a verified physician, documented qualification record, completed task, and preserved quality-control history.

Physician evaluating an AI-generated clinical response on a professional workstation
Sample Record
Clinical Contribution Record

Provenance Snapshot

  • Contributor
    Verified Physician
  • Specialty
    Cardiology
  • Credential Status
    Active
  • Task
    Clinical Response Evaluation
  • Completion
    Timestamp Recorded
  • Quality Review
    Passed
  • Audit Status
    Traceable
Auditable · Traceable
Illustrative sample only
  1. 01
    Verified

    Identity Verified

    Contributor identity is documented and matched.

  2. 02
    Verified

    Credentials Confirmed

    NPI and active medical license are verified.

  3. 03
    Verified

    Specialty Validated

    Relevant clinical expertise is confirmed.

  4. 04
    Verified

    Project Qualified

    Task-specific requirements are documented.

  5. 05
    Verified

    Contribution Completed

    The work is tied to the verified physician.

  6. 06
    Verified

    Quality Record Preserved

    Review results and timestamps are retained.

Provenance Record Preserved

Every Contribution Ends With an Audit-Ready Record.

Preserve who completed the work, why they were qualified, what they delivered, and how the contribution was reviewed.

Internal Quality Review

Document review decisions and contributor performance.

Client Reporting

Provide a clear record of who completed the work.

Compliance Documentation

Preserve verification, qualification, and completion evidence.

Future Model Audits

Connect model outputs to their original human source.

Physician AI Workflows

Put Verified Clinical Judgment Inside Your AI Workflow.

Engage verified U.S. physicians to evaluate model outputs, explain clinical reasoning, build benchmarks, identify safety failures, and improve patient-facing communication.

Physician evaluating an AI clinical response
Physician evaluating an AI clinical response
Clinical Response Evaluation

AI: Likely acute decompensated heart failure. Recommend chest X-ray, BNP, and diuretic therapy with electrolyte monitoring.

  • Clinical Accuracy4.5 / 5
  • Reasoning Quality5 / 5
  • Completeness4 / 5
  • Safety FlagNone
Physician Feedback

Reasoning is sound. Add BNP threshold context and mention renal function before diuretic initiation.

Evaluate Model Responses

Physician reviewing an AI-generated clinical response against defined evaluation criteria.

What Physicians Do

Review generated clinical answers against defined accuracy, reasoning, completeness, and safety criteria.

What Your Team Receives
  • Structured scores
  • Written rationale
  • Safety flags
  • Corrected responses
Best Suited For

Model evaluation, fine-tuning, RLHF, launch readiness, and ongoing monitoring.

Input Format
TextAudioVideoMultimodal
Output
ScoresRankingsAnnotationWritten rationaleSafety flags
Who We Help

Built for Healthcare AI Teams That Need Defensible Human Expertise.

From clinical copilots to healthcare LLMs, Human Layer AI provides verified physician judgment for products where accuracy, safety, and provenance matter.

Physician, product leader, and data scientist reviewing an AI evaluation dashboard
Clinical AI Products
4.5 / 5

Clinical AI Product Teams

  • Decision support
  • Medical copilots
  • Diagnostic assistance
  • Patient-facing AI

Validate clinical accuracy, reasoning quality, and patient safety before deployment.

Healthcare Operations

Healthcare Operations Platforms

  • Ambient scribing
  • Hospital workflow automation
  • Utilization management
  • Payer technology

Test products against real clinical workflows, edge cases, and operational constraints.

Research and Safety
AvsB

AI Research and Safety Teams

  • Healthcare LLMs
  • Medical search
  • Drug safety
  • Clinical-trial technology
  • Medical education

Build benchmarks, red-team failures, and create traceable physician-authored data.

Building Something Outside These Categories?

We design physician cohorts and verification workflows around the model, task, specialty, and risk level.

Tell Us What You’re Building
Specialty Reach

From Broad Physician Cohorts
to Hard-to-Reach Specialists.

Recruit verified U.S. physicians by specialty, clinical experience, practice setting, geography, disease-state expertise, and project-specific criteria.

Core Clinical Specialties
Primary CareEmergency MedicineCardiologyOncologyNeurologyPsychiatry
Specialized Disciplines
EndocrinologyRadiologyPathologyPulmonologySurgeryInfectious Disease
Leadership and Advanced Roles
Medical DirectorsDepartment ChairsClinical InvestigatorsAcademic PhysiciansPrincipal Investigators
Explore Specialty Coverage

Specialty Is Only the Starting Point.

We qualify physicians for the exact clinical context, workflow, patient population, and task your project requires.

U.S. physician working in a modern clinical AI environment
Sample Physician Cohort
Illustrative
SpecialtyCardiology
GeographyTexas
Practice SettingAcademic Medical Center
Years in Practice10+
Disease-State ExperienceHeart Failure
Project TaskClinical AI Evaluation
Board CertificationRequired
Verification LevelEnhanced
Feasibility Assessment Required

Illustrative sample. Actual cohort composition and availability confirmed during feasibility review.

Geography
State, region, urban, suburban, or rural.
Practice Environment
Academic, community, private practice, hospital, or integrated system.
Clinical Experience
Years in practice, patient volume, procedures, and technology experience.
Disease-State Expertise
Diagnosis, treatment, patient population, and clinical-trial experience.
Professional Profile
Board certification, leadership, publications, and research involvement.
Project Fit
Task experience, availability, communication format, and AI familiarity.
Start With Feasibility

Ready to Scope Your Physician Cohort?

Tell us the specialty, qualifications, task, and timeline. We will assess feasibility and recommend a cohort plan.

  • Feasibility assessment
  • Recommended cohort structure
  • No commitment required
The Offer

Prove the Human Layer
Before You Scale It.

Start with a scoped physician pilot designed to validate cohort quality, verification depth, workflow fit, turnaround, and cost before expanding.

  • Cohort definition
  • Feasibility and compensation review
  • Verification protocol
  • Physician sourcing and qualification
  • Participation and task management
  • Completion and provenance summary
Most common starting point
Focused Pilot
Validate one workflow with a small verified physician cohort.
Specialty Cohort
Recruit a targeted group within one specialty, disease state, or practice environment.
Ongoing Expert Program
Maintain recurring physician access for continuous model evaluation and safety testing.
Physicians and AI operations team reviewing a model evaluation dashboard
Physician, AI product leader, and operations lead reviewing a physician cohort dashboard
Your Physician Pilot
Cohort
A focused group of verified U.S. physicians.
Verification
Identity, NPI, license, specialty, and project-specific qualification.
Workflow
Recruiting, onboarding, scheduling, task coordination, and completion tracking.
Deliverables
Completed physician contributions, quality-review results, and a provenance summary.
Typical starting point
One specialty · One workflow · One defined success metric
Recommended Next Step

Share the specialty, task, cohort size, and timeline. We will assess feasibility and recommend a pilot structure.

Healthcare recruiting operations professional reviewing a physician cohort dashboard
PROVEN HEALTHCARE RECRUITING INFRASTRUCTURE

Healthcare AI Is New.Our Physician Recruiting Infrastructure Is Not.

Human Layer AI is powered by Focus Insite, an established healthcare recruiting operation with more than a decade of experience finding, qualifying, scheduling, and managing difficult professional and patient cohorts.

We are not building a physician marketplace from scratch. We are applying proven recruiting operations to clinical AI training, evaluation, and safety workflows.

Difficult Cohort Recruiting

Experience finding narrow specialties, rare profiles, and highly specific clinical experience.

Physician Engagement

Knowledge of physician incentives, availability, scheduling, and participation expectations.

Project Operations

Established systems for qualification, communication, incentive management, and delivery.

Verified Participation

Identity, credential, specialty, and project-specific qualification checks.

10+
YEARS
Healthcare recruiting experience
2,400+
PROJECTS
Research and recruiting engagements delivered
50+
SPECIALTIES
Clinical specialties and subspecialties
U.S.
LICENSED
Physician network focus

Proven Recruiting Operations.Rebuilt for the Human Layer of AI.

The technology is new. The hard work of finding, qualifying, and managing the right humans is not.

Process

From project brief to completed physician contribution.

Physicians on a coordinated video call
  1. 01
    Define the cohort and task
  2. 02
    Assess feasibility and compensation
  3. 03
    Source, verify, and qualify physicians
  4. 04
    Coordinate onboarding and participation
  5. 05
    Deliver completion and provenance records

Timing depends on specialty, cohort size, task complexity, verification depth, and physician availability.

FAQ

Answers for operations, verification, and workflow.

Team of verified physicians in a modern clinical environment

NPI verification is a standard option and can be required for every project. Depth is configured to project risk.

Yes. State-license verification is available across all U.S. jurisdictions relevant to your project.

Yes, including hard-to-find subspecialties with disease-state or procedural targeting.

Yes. We support written, structured, voice, and multimodal asynchronous workflows.

Yes. Scheduled live sessions, recorded interviews, and moderated evaluations are supported.

Compensation is set per project by specialty, complexity, time commitment, and market benchmarks. We manage honoraria.

Yes. NDAs, restricted-access workflows, and controlled data-handling requirements are standard.

Yes. Physicians can operate inside your platform or ours, depending on workflow.

Timing depends on specialty and verification depth. Request feasibility to receive a realistic launch estimate.

No. Human Layer AI recruits professionals for research and AI-development work only. We do not provide medical care or patient-specific medical advice.

Availability planning

The right specialist cohort takes planning.

Physician availability changes by specialty, geography, workload, and launch date. Starting feasibility early gives your team more options and reduces pressure to compromise on fit or inflate incentives.

Healthcare professionals reviewing clinical AI data

The quality of your clinical AI starts with the quality of your physicians.

Tell us which physicians you need, what they need to do, and when you need them. We'll recommend a sourcing, verification, and pilot plan around your project.

Request a Verified Physician Pilot