Claire Joan Antoszewski, PA
Physician Assistant · Santa Fe, NM
Claire Joan Antoszewski, PA is a physician assistant with a practice address in Santa Fe, New Mexico, and NPI 1851572655, issued on Nov 20, 2007. Check the license (New Mexico PA2010-0040, as entered in NPPES) with the New Mexico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Claire Joan Antoszewski
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA2010-0040 NM
012262-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 453 1/2 Amado St, Santa Fe, NM 87501
- Phone
- (203) 249-3002
- Enumerated
- Nov 20, 2007
- Record last updated
- Jan 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 847 in New Mexico → Look up another NPI →
Verify Claire Joan Antoszewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Mexico board licenses this profession
Search for license PA2010-0040Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average physician assistant in 2024
12 Medicare Part D claims, 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.
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.
Claire Joan Antoszewski among 847 physician assistant records in New Mexico
Claire Joan Antoszewski, PA is one of 847 physician assistant records with a practice address in New Mexico. 76% 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, 72% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2011 · 41% 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 Mexico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 physician assistant records list a practice address in Santa Fe
They are 45 of the 4,551 NPPES records with a practice address in Santa Fe, and 847 physician assistant records in New Mexico.
All 847 in New Mexico → Every provider in Santa Fe → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Newton Baldwin, PA-CSanta Fe, NM 875011407106230
- Savannah Tanner, PA-CSanta Fe, NM 875011700291648
- John Vanderhee, PA-C, MPASSanta Fe, NM 875011629035142
- Leah Becker, P.A.Santa Fe, NM 875051023192580
- Kimberly Berge, PA-CSanta Fe, NM 875051053398636
- Timothy Busch, PHYSICIAN ASSISTANTSanta Fe, NM 875051346201704
- Angela Cline, PASanta Fe, NM 875051578531158
- Edward Grant, P.A.Santa Fe, NM 875051417031980
Common questions
What is Claire Joan Antoszewski, PA's NPI number?
Claire Joan Antoszewski, PA's National Provider Identifier (NPI) is 1851572655, issued on Nov 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Claire Joan Antoszewski, PA located?
The NPPES record lists a practice address at 453 1/2 Amado St, Santa Fe, NM, 87501. Phone: (203) 249-3002. Providers update this record themselves, so call before visiting.
How can I verify Claire Joan Antoszewski, PA's license?
NPPES lists New Mexico license number PA2010-0040, as entered by the provider. Search the New Mexico board that licenses this profession; the NPPES record confirms identity only.
How much does Claire Joan Antoszewski, PA prescribe under Medicare Part D?
In 2024, Claire Joan Antoszewski, PA had 12 Medicare Part D claims; 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.