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DR. JOHN F.J. CLARK III
NPI 1194862730
Specialist in New York, NY

Active since January 31, 2007PECOS Enrolled
255 CENTRAL PARK W, SUITE # 3, NEW YORK, NY 10024(212) 769-0666(212) 799-6193 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. John F.j. Clark Iii NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN F.J. CLARK III (NPI 1194862730) is an individual specialist in New York, New York, licensed in New York (160560-1) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194862730
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. JOHN F.J. CLARK III
Location Address255 CENTRAL PARK W, SUITE # 3New York, NY 10024-4101
Mailing Address255 Central Park W, Suite # 3New York, NY 10024-4101 · (212) 769-0666 · Fax (212) 799-6193
Phone(212) 769-0666
Fax(212) 799-6193
Sole ProprietorYes
Enumeration DateJanuary 31, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1194862730 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in NY · 160560-1
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
255 CENTRAL PARK W, New York, NY 10024
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Other Names 1

Professional Name (2)Dr. John Francis, James Clark Md

Other Identifiers 3

Medicare UPINA64124NY
Medicare ID-Type Unspecified506D31NY
Medicaid00963231NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John F.j. Clark Iii is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show John Clark reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

William F Ryan Community Health Center Inc
0.6 mi
Federally Qualified Health Center (FQHC)
110 W 97TH ST
New York, NY 10025
  • Reassigned Medicare billing, New York enrollment
  • 186 clinicians in this Medicare group
NPI 1851328199 (212) 749-1820
Harlem Medical Associates PC
2.6 mi
General Practice
506 MALCOLM X BLVD (LENOX AVE)
New York, NY 10037
  • Reassigned Medicare billing, New York enrollment
  • 676 clinicians in this Medicare group
NPI 1487957692 (631) 675-9300
Bethpage Medical, PLLC
19 mi
Obstetrics & Gynecology
200 GARDEN CITY PLZ
Garden City, NY 11530
  • Reassigned Medicare billing, New York enrollment
  • 35 clinicians in this Medicare group
NPI 1205074739 (516) 663-6400
Westchester Medical Center Advanced Physician Services PC
23 mi
Anesthesiology
100 WOODS RD, TAYLOR PAVILION - ROOM M229
Valhalla, NY 10595
  • Reassigned Medicare billing, New York enrollment
  • 1,663 clinicians in this Medicare group
NPI 1740687458 (914) 493-2844

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Clark's NPI number?

The NPI number for John Clark is 1194862730. It was assigned to this individual provider in the NPPES registry on January 31, 2007. The provider is also known as Dr. John Francis, James Clark MD.

Where is John Clark located?

John Clark practices at 255 Central Park W Suite # 3, New York, NY 10024. The listed phone number is (212) 769-0666.

What is John Clark's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is John Clark enrolled in Medicare?

Yes. John Clark is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for John Clark's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Clark reassigns Medicare benefits to 4 organizations: William F Ryan Community Health Center Inc (New York, NY), Harlem Medical Associates PC (New York, NY), Bethpage Medical, PLLC (Garden City, NY) and Westchester Medical Center Advanced Physician Services PC (Valhalla, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for John Clark was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.