Jacob Max Feldman
Emergency Medicine Physician · San Antonio, TX
Jacob Max Feldman is an emergency medicine physician with a practice address in San Antonio, Texas, and NPI 1649634783, issued on Apr 5, 2016. Check the license (Texas R9209, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jacob Max Feldman
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- R9209 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4502 Medical Dr, San Antonio, TX 78229
- Phone
- (210) 358-4000
- Enumerated
- Apr 5, 2016
- Record last updated
- Jul 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 398533501 TX
- Medicare enrollment
- Enrolled (PECOS I20190529001345); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2016
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 4502 Medical Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Aesha Aboueisha, MDHospitalist Physician1225527815
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Verify Jacob Max Feldman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R9209Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average emergency medicine physician in 2024
22 Medicare Part D claims for 17 beneficiaries, against an average of 226 among the 54,106 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.
Bills Medicare through one group practice
- University OF Texas Health Science Center AT San AntonioSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob Max Feldman among 4,885 emergency medicine physician records in Texas
Jacob Max Feldman is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 70% of them.
- NPI issued2016 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2016 · median 2013 among the 2,779 with a school on file
- Record last updated2019 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
400 emergency medicine physician records list a practice address in San Antonio
They are 400 of the 37,749 NPPES records with a practice address in San Antonio, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in San Antonio → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Bruce Adams, MDSan Antonio, TX 782291578552535
- Kathlene Bassett, MDSan Antonio, TX 782291801875273
- Barr Baynton, M.D.San Antonio, TX 782291326049198
- Victor Burgos, M.D.San Antonio, TX 782291376518639
- Hector Caraballo, M.D.San Antonio, TX 782291427023688
- Kevin King, M.D.San Antonio, TX 782291992796635
- Judith Knoll, DOSan Antonio, TX 782291861491862
- Robert Kottman, MDSan Antonio, TX 782291558356600
Common questions
What is Jacob Max Feldman's NPI number?
Jacob Max Feldman's National Provider Identifier (NPI) is 1649634783, issued on Apr 5, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Jacob Max Feldman located?
The NPPES record lists a practice address at 4502 Medical Dr, San Antonio, TX, 78229. Phone: (210) 358-4000. Providers update this record themselves, so call before visiting.
How can I verify Jacob Max Feldman's license?
NPPES lists Texas license number R9209, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jacob Max Feldman prescribe under Medicare Part D?
In 2024, Jacob Max Feldman had 22 Medicare Part D claims for 17 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.