Hector Oyarzabal, MD PA
NPI 1790874089 · Internal Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hector Oyarzabal, MD PA is a Internal Medicine Physician provider in San Antonio, TX (NPI 1790874089).
Provider details
- NPI number
- 1790874089
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PA
- Sex
- Male
- Sole proprietor
- Yes
- License
- J0623 (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
937 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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 362 | $58 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 218 | $120 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 78 | $162 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 73 | $124 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 72 | $18 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 54 | 35 |
| Ciprofloxacin Hcl | 48 | 35 |
| Rosuvastatin Calcium | 47 | 28 |
| Levothyroxine Sodium | 47 | 25 |
| Fluconazole | 45 | 32 |
| Semaglutidebrand: Ozempic | 40 | — |
| Metformin Hcl | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,121 across 40 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
- 2006-10-12
- Last updated
- 2010-06-11
Frequently asked questions
- What is Hector Oyarzabal's NPI number?
- Hector Oyarzabal's National Provider Identifier (NPI) is 1790874089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hector Oyarzabal's specialty?
- Hector Oyarzabal is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hector Oyarzabal located?
- Hector Oyarzabal's practice location on file with NPPES is 1911 Pleasanton Rd, San Antonio, TX 78221-1210.
- What is Hector Oyarzabal's phone number?
- The practice phone number listed in the NPPES registry for Hector Oyarzabal is (210) 924-7331.
- Does Hector Oyarzabal accept Medicare?
- Hector Oyarzabal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hector Oyarzabal's NPI active?
- Yes — Hector Oyarzabal's NPI (1790874089) is active in the NPPES registry as of the last update on 2010-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.