Aaron King, M.D.
NPI 1568571750 · Family Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aaron King, M.D. is a Family Medicine Physician provider in San Antonio, TX (NPI 1568571750).
Provider details
- NPI number
- 1568571750
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- M1835 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,904 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 645 | $122 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 416 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 210 | $123 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 131 | $16 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 123 | $122 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 182 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 522 | 146 |
| Atorvastatin Calcium | 476 | 138 |
| Semaglutidebrand: Ozempic | 452 | 83 |
| Levothyroxine Sodium | 372 | 106 |
| Tirzepatidebrand: Mounjaro | 316 | 42 |
| Lisinopril | 306 | 90 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$159,699 across 336 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2018-05-14
Frequently asked questions
- What is Aaron King's NPI number?
- Aaron King's National Provider Identifier (NPI) is 1568571750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aaron King's specialty?
- Aaron King is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Aaron King located?
- Aaron King's practice location on file with NPPES is 20821 US Highway 281 N Ste 122, San Antonio, TX 78258.
- What is Aaron King's phone number?
- The practice phone number listed in the NPPES registry for Aaron King is (210) 546-1600.
- Does Aaron King accept Medicare?
- Aaron King is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aaron King's NPI active?
- Yes — Aaron King's NPI (1568571750) is active in the NPPES registry as of the last update on 2018-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.