Stephen Greenfield, PA
Medical Physician Assistant · San Antonio, TX
Stephen Greenfield, PA is a medical physician assistant with a practice address in San Antonio, Texas, and NPI 1568469203, issued on Jul 7, 2005. Check the license (Texas PA00689, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephen Greenfield
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA00689 TX
Self-reported in NPPES; status is on the state search - Practice location
- 430 W Sunset RD Ste 201, San Antonio, TX 78209
- Phone
- (210) 824-4584
- Enumerated
- Jul 7, 2005
- Record last updated
- Mar 30, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (210) 805-8466
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 2,146 in Texas → Look up another NPI →
Also registered at 430 W Sunset RD Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- William Weiss, FNPFamily Nurse Practitioner1447724927
Verify Stephen Greenfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license PA00689Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average medical physician assistant in 2024
25 Medicare Part D claims for 15 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
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.
Stephen Greenfield among 2,146 medical physician assistant records in Texas
Stephen Greenfield, PA is one of 2,146 medical physician assistant records with a practice address in Texas. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 44% of these records are
- Record last updated2020 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Texas
There are 2,146 medical physician assistant records in Texas.
All 2,146 in Texas → Every provider in San Antonio → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Dustin Deemer, P.A.-CSan Antonio, TX 782091558549592
- James Curll, PA-CSan Antonio, TX 782101972091437
- Heather CamposSan Antonio, TX 782071568821064
- Collin Christensen, PA-CSan Antonio, TX 782071629712849
- Brian Clark, PA-CSan Antonio, TX 782071306889944
- Judith Colver, PA-CSan Antonio, TX 782071801909015
- Lauren Del Bosque, PA-CSan Antonio, TX 782071730466806
- Adrian Huey, PA-CSan Antonio, TX 782071629520499
Common questions
What is Stephen Greenfield, PA's NPI number?
Stephen Greenfield, PA's National Provider Identifier (NPI) is 1568469203, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Greenfield, PA located?
The NPPES record lists a practice address at 430 W Sunset RD Ste 201, San Antonio, TX, 78209. Phone: (210) 824-4584. Providers update this record themselves, so call before visiting.
How can I verify Stephen Greenfield, PA's license?
NPPES lists Texas license number PA00689, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Stephen Greenfield, PA prescribe under Medicare Part D?
In 2024, Stephen Greenfield, PA had 25 Medicare Part D claims for 15 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.