Carlos Carretero, M.D.
NPI 1851434435 · Internal Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carlos Carretero, M.D. is a Internal Medicine Physician provider in San Antonio, TX (NPI 1851434435).
Provider details
- NPI number
- 1851434435
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- P7616 (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 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
725 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 | 351 | $121 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 239 | $8 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 53 | $124 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 51 | $87 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 18 | $18 |
| Administration of Influenza Virus VaccineG0008 | 13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 326 | 95 |
| Atorvastatin Calcium | 302 | 101 |
| Losartan Potassium | 253 | 72 |
| Amlodipine Besylate | 240 | 74 |
| Omeprazole | 190 | 60 |
| Rosuvastatin Calcium | 169 | 54 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$149 across 2 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
- 2007-02-14
- Last updated
- 2019-09-10
Frequently asked questions
- What is Carlos Carretero's NPI number?
- Carlos Carretero's National Provider Identifier (NPI) is 1851434435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carlos Carretero's specialty?
- Carlos Carretero is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carlos Carretero located?
- Carlos Carretero's practice location on file with NPPES is 414 Navarro St, San Antonio, TX 78205-2515.
- What is Carlos Carretero's phone number?
- The practice phone number listed in the NPPES registry for Carlos Carretero is (210) 224-4811.
- Does Carlos Carretero accept Medicare?
- Carlos Carretero is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carlos Carretero's NPI active?
- Yes — Carlos Carretero's NPI (1851434435) is active in the NPPES registry as of the last update on 2019-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.