Alonzo Ortega, DO
NPI 1871590588 · Family Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alonzo Ortega, DO is a Family Medicine Physician provider in San Antonio, TX (NPI 1871590588).
Provider details
- NPI number
- 1871590588
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- H6485 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
101 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 40 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 25 | $87 |
Typical Medicare-allowed amounts for these services range $9–$123 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 131 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 560 | 191 |
| Amlodipine Besylate | 516 | 175 |
| Levothyroxine Sodium | 438 | 136 |
| Lisinopril | 427 | 132 |
| Metformin Hcl | 362 | 129 |
| Simvastatin | 360 | 111 |
| Losartan Potassium | 303 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-07
- Last updated
- 2023-12-19
- Certified
- 2023-12-19
Frequently asked questions
- What is Alonzo Ortega's NPI number?
- Alonzo Ortega's National Provider Identifier (NPI) is 1871590588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alonzo Ortega's specialty?
- Alonzo Ortega is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alonzo Ortega located?
- Alonzo Ortega's practice location on file with NPPES is 517 Sw Military Dr Ste 106, San Antonio, TX 78221-1639.
- What is Alonzo Ortega's phone number?
- The practice phone number listed in the NPPES registry for Alonzo Ortega is (210) 921-0322.
- Does Alonzo Ortega accept Medicare?
- Alonzo Ortega is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alonzo Ortega's NPI active?
- Yes — Alonzo Ortega's NPI (1871590588) is active in the NPPES registry as of the last update on 2023-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.