Keith V. Williamson, PHYSICIAN ASSISTANT
Surgical Physician Assistant · New York, NY
Keith V. Williamson, PHYSICIAN ASSISTANT is a surgical physician assistant with a practice address in New York, New York, and NPI 1962618843, issued on May 15, 2007. Check the license (New York 007912, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Keith V. Williamson
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- 007912 NY
Self-reported in NPPES; status is on the state search - Practice location
- 535 E 70TH St, New York, NY 10021
- Phone
- (212) 606-1909
- Enumerated
- May 15, 2007
- Record last updated
- Apr 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (212) 879-6526
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 2,152 in New York → Look up another NPI →
Also registered at 535 E 70TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Emmanuel Adamptey, PASurgical Physician Assistant1871209031
- Alexa Adams, M.D.Pediatric Rheumatology Physician1639246747
- Michael AdashevSurgical Physician Assistant1609312156
Verify Keith V. Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 007912Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average surgical physician assistant in 2024
66 Medicare Part D claims for 26 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Keith V. Williamson among 2,152 surgical physician assistant records in New York
Keith V. Williamson, PHYSICIAN ASSISTANT is one of 2,152 surgical physician assistant records with a practice address in New York. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 21% of them.
- NPI issued2007 · 21% of these records are older, 66% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2021 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in New York
There are 2,152 surgical physician assistant records in New York.
All 2,152 in New York → Every provider in New York → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Miguel Armas, P.A.New York, NY 100211134270572
- Nicole Fein, PA-CNew York, NY 100211205933645
- Hugh Lawrence, PANew York, NY 100211871642694
- Sandy Lee, PHYSICIAN ASSISTANTNew York, NY 100211295875235
- Jennifer Lippmann, RPA-CNew York, NY 100211154461945
- Jason McGrade, PA-CNew York, NY 100211245380682
- Geoffrey O'Sullivan, RPA-CNew York, NY 100211265571087
- Rachel Parker, P.A.-C.New York, NY 100211467501239
Common questions
What is Keith V. Williamson, PHYSICIAN ASSISTANT's NPI number?
Keith V. Williamson, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1962618843, issued on May 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Keith V. Williamson, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 535 E 70TH St, New York, NY, 10021. Phone: (212) 606-1909. Providers update this record themselves, so call before visiting.
How can I verify Keith V. Williamson, PHYSICIAN ASSISTANT's license?
NPPES lists New York license number 007912, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Keith V. Williamson, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Keith V. Williamson, PHYSICIAN ASSISTANT had 66 Medicare Part D claims for 26 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.