Mitchell Williams
Physician Assistant · New York, NY
Mitchell Williams is a physician assistant with a practice address in New York, New York, and NPI 1770265233, issued on Aug 3, 2023. Check the license with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mitchell Williams
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 535 E 70TH St, New York, NY 10021
- Phone
- (212) 606-1000
- Enumerated
- Aug 3, 2023
- Record last updated
- Aug 3, 2023
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mitchell Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average physician assistant in 2024
42 Medicare Part D claims for 17 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 12 claims were for opioids.
Most prescribed
- Meloxicam12 claims
- Oxycodone Hcl11 claims
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.
Mitchell Williams among 15,555 physician assistant records in New York
Mitchell Williams is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 77% of them.
- NPI issued2023 · 77% of these records are older, 17% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2023 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3,108 physician assistant records list a practice address in New York
They are 3,108 of the 98,468 NPPES records with a practice address in New York, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in New York → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Loriann Asaro, P.A.New York, NY 100211730104100
- Michael Demarest, PANew York, NY 100211841248747
- Joseph Fable, PANew York, NY 100211003861550
- Larry Friedman, PANew York, NY 100211902854821
- Inna Guindine, PANew York, NY 100211306937776
- Rebecca Johnson, P.A.C.New York, NY 100211336158831
- Lynn Keppel, PANew York City, NY 100211770554206
- Karleen Koenig, PANew York, NY 100211205884293
Common questions
What is Mitchell Williams's NPI number?
Mitchell Williams's National Provider Identifier (NPI) is 1770265233, issued on Aug 3, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Mitchell Williams located?
The NPPES record lists a practice address at 535 E 70TH St, New York, NY, 10021. Phone: (212) 606-1000. Providers update this record themselves, so call before visiting.
How can I verify Mitchell Williams's license?
Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Mitchell Williams prescribe under Medicare Part D?
In 2024, Mitchell Williams had 42 Medicare Part D claims for 17 beneficiaries; the average among physician assistant prescribers was 830. 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.