NPPES file of Aug 9, 2026

Aaron Asa King, M.D.

Family Medicine Physician · San Antonio, TX

Aaron Asa King, M.D. is a family medicine physician with a practice address in San Antonio, Texas, and NPI 1568571750, issued on Aug 30, 2006. Check the license (Texas M1835, 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
1568571750
Name
Aaron Asa King
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
M1835 TX
Self-reported in NPPES; status is on the state search
Practice location
20821 US Highway 281 N Ste 122, San Antonio, TX 78258
Phone
(210) 546-1600
Enumerated
Aug 30, 2006
Record last updated
May 14, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(210) 546-1610
Medicare enrollment
Enrolled (PECOS I20071128000569); accepts Medicare assignment
Medical or professional school
Texas A & M University System, Hsc, College Of Medicine, 2001
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 20821 US Highway 281 N Ste 122

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

  1. Sergio Hernandez, PA-CPhysician Assistant1679007025
  2. Sandra Nguyen, PA-CPhysician Assistant1477266146
  3. Thanhvi Nguyen, DOFamily Medicine Physician1669039954
  4. Nichole Stauffer, MSN, APRN, FNP-CFamily Nurse Practitioner1396295077
  5. Lorrin Tschirhart, PAPhysician Assistant1194307413

Verify Aaron Asa King in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M1835    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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3.4 times the Medicare Part D claims of the average family medicine physician in 2024

12,169 Medicare Part D claims for 719 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 407 claims were for opioids.

  1. Aaron King12,169
  2. Specialty average3,544

Most prescribed

  1. Rosuvastatin Calcium522 claims
  2. Atorvastatin Calcium476 claims
  3. Ozempic452 claims
  4. Levothyroxine Sodium372 claims
  5. Mounjaro316 claims
  6. Lisinopril306 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.

Industry payments in 2024: $159,698.95

336 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Aaron King$159,699
  2. Specialty average$903

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Bhs Physicians Network, IncSan Antonio, TX

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

Aaron Asa King among 11,119 family medicine physician records in Texas

Aaron Asa King, 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2001 · median 2004 among the 7,095 with a school on file
  • Record last updated2018 · 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. Ricardo Castillo, DOSan Antonio, TX 782581740287440
  2. Melhem Dandan, MDSan Antonio, TX 782581053393520
  3. Dean Earp, M.D.San Antonio, TX 782581669420204
  4. Sandra Fernandez, MDSan Antonio, TX 782581982601654
  5. Renato Geralde, DOSan Antonio, TX 782581801894944
  6. Sudhir Gogu, D.O., PHD, MBASan Antonio, TX 782581942270400
  7. Margarita Hammeke, DOSan Antonio, TX 782581164479523
  8. Rudyard Hilliard, MDSan Antonio, TX 782581407830979

Common questions

What is Aaron Asa King, M.D.'s NPI number?

Aaron Asa King, M.D.'s National Provider Identifier (NPI) is 1568571750, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Aaron Asa King, M.D. located?

The NPPES record lists a practice address at 20821 US Highway 281 N Ste 122, San Antonio, TX, 78258. Phone: (210) 546-1600. Providers update this record themselves, so call before visiting.

How can I verify Aaron Asa King, M.D.'s license?

NPPES lists Texas license number M1835, 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 Asa King, M.D. prescribe under Medicare Part D?

In 2024, Aaron Asa King, M.D. had 12,169 Medicare Part D claims for 719 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.