Alfonso Perez, DO
NPI 1386848968 · Internal Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alfonso Perez, DO is a Internal Medicine Physician provider in San Antonio, TX (NPI 1386848968).
Provider details
- NPI number
- 1386848968
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- N0361 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,469 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 571 | $113 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 411 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 212 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 204 | $165 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 60 | $77 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 25 | 25 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 23 | 22 |
| Cefdinir | 22 | 22 |
| Furosemide | 21 | 21 |
| Apixabanbrand: Eliquis | 18 | 18 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 16 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-14
- Last updated
- 2024-07-25
- Certified
- 2024-07-25
Frequently asked questions
- What is Alfonso Perez's NPI number?
- Alfonso Perez's National Provider Identifier (NPI) is 1386848968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alfonso Perez's specialty?
- Alfonso Perez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alfonso Perez located?
- Alfonso Perez's practice location on file with NPPES is 7330 San Pedro Ave Ste 540, San Antonio, TX 78216-6250.
- What is Alfonso Perez's phone number?
- The practice phone number listed in the NPPES registry for Alfonso Perez is (210) 344-7287.
- Does Alfonso Perez accept Medicare?
- Alfonso Perez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alfonso Perez's NPI active?
- Yes — Alfonso Perez's NPI (1386848968) is active in the NPPES registry as of the last update on 2024-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.