NPPES file of Aug 9, 2026

Aaron L. Killpack, D.O.

Family Medicine Physician · San Antonio, TX

Aaron L. Killpack, D.O. is a family medicine physician with a practice address in San Antonio, Texas, and NPI 1457588212, issued on Jun 18, 2009. Check the license (Texas U2716, 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
1457588212
Name
Aaron L. Killpack
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
U2716 TX
OT012982 PA
10717A WY
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
Jun 18, 2009
Record last updated
Jul 14, 2025
Fax
(210) 826-3331
Medicare enrollment
Enrolled (PECOS I20230808001556); accepts Medicare assignment
Medical or professional school
Touro Un Col Of Osteopathic Medicine, Henderson, 2009
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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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.

  1. Stephen Greenfield, PAMedical Physician Assistant1568469203
  2. Gordy Hall, MDFamily Medicine Physician1598762296
  3. Rene Melendez, MDFamily Medicine Physician1215139597
  4. Shamsa Saleem, MDFamily Medicine Physician1235136979
  5. Alyssa Tran, DOFamily Medicine Physician1346421237
  6. William Weiss, FNPFamily Nurse Practitioner1447724927

Verify Aaron L. Killpack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license U2716
    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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20% more Medicare Part D claims than the average family medicine physician in 2024

4,240 Medicare Part D claims for 621 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 52 claims were for opioids.

  1. Aaron Killpack4,240
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium288 claims
  2. Levothyroxine Sodium172 claims
  3. Losartan Potassium172 claims
  4. Lisinopril164 claims
  5. Amlodipine Besylate128 claims
  6. Gabapentin114 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 2 group practices

  1. Christus Trinity ClinicTyler, TX
  2. Wellmed Medical Group PASan Antonio, TX

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

Aaron L. Killpack among 11,119 family medicine physician records in Texas

Aaron L. Killpack, D.O. 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 2009, is newer than 59% of them.

  • NPI issued2009 · 59% of these records are older, 38% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2009 · median 2004 among the 7,095 with a school on file
  • Record last updated2025 · 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.

The 8 family medicine physician records with the nearest ZIP codes

  1. Christopher Balgobin, MDSan Antonio, TX 782091124085121
  2. Pedro Calzada, M.D.San Antonio, TX 782091043343064
  3. Rohan Coutinho, M.D.San Antonio, TX 782091871767863
  4. April Hain Trevino, M.D.San Antonio, TX 782091366411530
  5. Gordy Hall, MDSan Antonio, TX 782091598762296
  6. Curtis Horn, MDSan Antonio, TX 782091558457358
  7. Margaret Mann Zeballos, MDSan Antonio, TX 782091427069459
  8. Rene Melendez, MDSan Antonio, TX 782091215139597

Common questions

What is Aaron L. Killpack, D.O.'s NPI number?

Aaron L. Killpack, D.O.'s National Provider Identifier (NPI) is 1457588212, issued on Jun 18, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Aaron L. Killpack, D.O. 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 Aaron L. Killpack, D.O.'s license?

NPPES lists Texas license number U2716, 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 Aaron L. Killpack, D.O. prescribe under Medicare Part D?

In 2024, Aaron L. Killpack, D.O. had 4,240 Medicare Part D claims for 621 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.