Timothy Jon Kosmatka, M.D.
Family Medicine Physician · San Antonio, TX
Timothy Jon Kosmatka, M.D. is a family medicine physician with a practice address in San Antonio, Texas, and NPI 1225022015, issued on Sep 7, 2005. Check the license (Texas P4336, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Timothy Jon Kosmatka
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- P4336 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8542 Wurzbach RD, San Antonio, TX 78240
- Phone
- (210) 616-7300
- Enumerated
- Sep 7, 2005
- Record last updated
- Feb 6, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (210) 616-7359
- Medicare enrollment
- Enrolled (PECOS I20130905000342); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 8542 Wurzbach RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stephanie GarzaFamily Nurse Practitioner1518583186
- Nagalakshmi KoduriHospitalist Physician1457510869
- Sergio Rivas, FNP, MPHFamily Nurse Practitioner1326385311
- Mae Anne Sepulveda, MDFamily Medicine Physician1881825719
Verify Timothy Jon Kosmatka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P4336Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average family medicine physician in 2024
10,835 Medicare Part D claims for 685 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 991 claims were for opioids.
Most prescribed
- Atorvastatin Calcium499 claims
- Hydrocodone-Acetaminophen487 claims
- Levothyroxine Sodium330 claims
- Alprazolam319 claims
- Montelukast Sodium279 claims
- Losartan Potassium263 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.
Bills Medicare through one group practice
- Physician Primecare, IncSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
809 family medicine physician records list a practice address in San Antonio
They are 809 of the 37,749 NPPES records with a practice address in San Antonio, and 11,119 family medicine physician records in Texas.
All 809 in San Antonio → All 11,119 in Texas → Every provider in San Antonio →
Other family medicine physician records in Texas
- Srinivasa Aaluri, MDEl Paso, TX1265566509
- Maira Aamir, MDShenandoah, TX1932660859
- Fakhrudin Aaseemah Mohamed, M.DAllen, TX1952782518
- So Abad, MDWichita Falls, TX1184624694
- Yoseph AbadiRichardson, TX1700742640
- Marcus Abadie, M.D.Athens, TX1104821107
- Montserrat Abadie Sole, M.D.Fort Worth, TX1245437078
- Sarah Abang-Hayes, M.D.San Antonio, TX1326244724
- Ahmad Abazid, M.DRichardson, TX1013238401
- Syed Abbas, M.D.Houston, TX1821267477
Common questions
What is Timothy Jon Kosmatka, M.D.'s NPI number?
Timothy Jon Kosmatka, M.D.'s National Provider Identifier (NPI) is 1225022015, issued on Sep 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Jon Kosmatka, M.D. located?
The NPPES record lists a practice address at 8542 Wurzbach RD, San Antonio, TX, 78240. Phone: (210) 616-7300. Providers update this record themselves, so call before visiting.
How can I verify Timothy Jon Kosmatka, M.D.'s license?
NPPES lists Texas license number P4336, 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 Timothy Jon Kosmatka, M.D. prescribe under Medicare Part D?
In 2024, Timothy Jon Kosmatka, M.D. had 10,835 Medicare Part D claims for 685 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.