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Psychiatry

John W. Barnhill, MD

Works at hospitals in New York, NY · New York

Summary

John W. Barnhill, MD (Psychiatry) is listed by Medicare at 1 hospital in New York, NY. NPI 1699813600. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John W. Barnhill, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

PsychiatryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
41Years since medical school (graduated 1985)
Baylor College Of MedicineMedical school
MaleGender (as listed)
Weill Medical College of CornellGroup practice

Quick answers

Which hospitals does John W. Barnhill work at?
Medicare's official clinician data lists John W. Barnhill at 1 hospital: New York-Presbyterian Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John W. Barnhill see patients?
Medicare's clinician data lists 2 practice locations, including New York, NY. Call before your visit to confirm the address.
What is John W. Barnhill's specialty?
Medicare lists Psychiatry as the primary specialty.
Does John W. Barnhill accept Medicare assignment?
Yes. Medicare's clinician data says John W. Barnhill accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does John W. Barnhill offer telehealth?
Medicare's clinician data says John W. Barnhill offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for John W. Barnhill?
(646) 962-6647, as listed in official Medicare / NPI Registry data.
What is John W. Barnhill's NPI number?
1699813600. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John W. Barnhill works

Medicare's Facility Affiliation Data lists John W. Barnhill at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where John W. Barnhill is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John W. Barnhill as a member of this group (CMS data updated 2026-10-02).

  • Weill Medical College of Cornell2,051 clinicians in the group

Specialties

Find other Psychiatry doctors in New York →

Other psychiatrists in New York

Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.

All psychiatrists in New York →

Clinician information

CredentialMD
Medical schoolBaylor College Of Medicine
Graduation year1985
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1699813600
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians