Jennifer Barker, DO
Internal Medicine Physician · San Antonio, TX
Jennifer Barker, DO is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1134300114, issued on Nov 19, 2007. Check the license (Texas N6348, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jennifer Barker
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- N6348 TX
Self-reported in NPPES; status is on the state search - Practice location
- 7400 Merton Minter St, San Antonio, TX 78229
- Phone
- (210) 617-5300
- Enumerated
- Nov 19, 2007
- Entity
- Type 1 · individual
Also registered at 7400 Merton Minter St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer AanensenRegistered Nurse1528948957
- Farid AbdousCritical Care Medicine Registered Nurse1881421816
- Alfy AbrahamMedical-Surgical Registered Nurse1164306502
- David AbregoLicensed Vocational Nurse1558295956
- Joseph Acord, RNCase Management Registered Nurse1487516894
- Grazia AcostaCounseling Psychologist1932047602
Verify Jennifer Barker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N6348Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
100 Medicare Part D claims for 18 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 99 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen23 claims
- Morphine Sulfate20 claims
- Oxycontin12 claims
- Hydromorphone 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.
938 internal medicine physician records list a San Antonio practice address
They are 938 of the 37,749 NPPES records with a San Antonio practice address, and 11,069 internal medicine physician records in Texas.
All 938 in San Antonio → All 11,069 in Texas → Every provider in San Antonio →
Other internal medicine physician records in Texas
- Muhammad A. Sattar, MDDallas, TX1760465553
- Gayatri Aaluri, MDGalveston, TX1821928508
- Anunaya AashishDenton, TX1134246374
- Queenie Ann Abad, M.D.San Antonio, TX1174979785
- Fuad Abaleka, M.DLubbock, TX1861925596
- Carol Abalihi, M.D.El Paso, TX1326136243
- Pedro Abanto, M.D.McAllen, TX1982840393
- Oliverio Abarca Guzman, MDHarlingen, TX1346972940
- Obinna Abaribe, M.DMansfield, TX1457704355
- Enyinnaya Abarikwu, MDTyler, TX1174788178
Common questions
What is Jennifer Barker, DO's NPI number?
Jennifer Barker, DO's National Provider Identifier (NPI) is 1134300114, issued on Nov 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Barker, DO located?
The NPPES record lists a practice address at 7400 Merton Minter St, San Antonio, TX, 78229. Phone: (210) 617-5300. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Barker, DO's license?
NPPES lists Texas license number N6348, 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 Jennifer Barker, DO prescribe under Medicare Part D?
In 2024, Jennifer Barker, DO had 100 Medicare Part D claims for 18 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.