NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225022015
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →

Also registered at 8542 Wurzbach RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ana Maria Calderon, M.D.Internal Medicine Physician1578845574
  2. Kristi Clark, M.D.Internal Medicine Physician1912973769
  3. Stephanie GarzaFamily Nurse Practitioner1518583186
  4. Nagalakshmi KoduriHospitalist Physician1457510869
  5. Sergio Rivas, FNP, MPHFamily Nurse Practitioner1326385311
  6. Mae Anne Sepulveda, MDFamily Medicine Physician1881825719

Verify Timothy Jon Kosmatka in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P4336    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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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.

  1. Timothy Kosmatka10,835
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium499 claims
  2. Hydrocodone-Acetaminophen487 claims
  3. Levothyroxine Sodium330 claims
  4. Alprazolam319 claims
  5. Montelukast Sodium279 claims
  6. 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

  1. Physician Primecare, IncSan Antonio, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Timothy Jon Kosmatka among 11,119 family medicine physician records in Texas

Timothy Jon Kosmatka, M.D. is one of 11,119 family medicine physician records with a practice address in Texas. 82% 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, 88% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1993 · median 2004 among the 7,095 with a school on file
  • Record last updated2015 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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 11,119 in Texas → Every provider in San Antonio → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Efrem Castillo, M.D.San Antonio, TX 782401003888785
  2. Kimberly Heller, MDSan Antonio, TX 782401629068697
  3. Robert Johnson, DOSan Antonio, TX 782401902892177
  4. Craig Kuebker, MDSan Antonio, TX 782401780651968
  5. Dixie McCrory, MDSan Antonio, TX 782401962499590
  6. Barbara Montague, MDSan Antonio, TX 782401851358584
  7. Francis Mueller, M.D.San Antonio, TX 782401164493409
  8. Cheryl Mueller, M.D.San Antonio, TX 782401528034758

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.