Cristina Rivera, MD
NPI 1851929350 · Family Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cristina Rivera, MD is a Family Medicine Physician provider in San Antonio, TX (NPI 1851929350).
Provider details
- NPI number
- 1851929350
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- U3338 (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
6 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
295 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 | 137 | $119 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 51 | $3 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 43 | $82 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 17 | $154 |
| Administration of Influenza Virus VaccineG0008 | 17 | $31 |
| Screening 3d Breast Mammography77063 | 15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 92 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 300 | 139 |
| Losartan Potassium | 216 | 90 |
| Metformin Hcl | 200 | 85 |
| Amlodipine Besylate | 188 | 68 |
| Rosuvastatin Calcium | 188 | 82 |
| Lisinopril | 182 | 66 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$258 across 13 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
- 2020-03-30
- Last updated
- 2023-07-20
- Certified
- 2023-07-20
Frequently asked questions
- What is Cristina Rivera's NPI number?
- Cristina Rivera's National Provider Identifier (NPI) is 1851929350, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cristina Rivera's specialty?
- Cristina Rivera is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cristina Rivera located?
- Cristina Rivera's practice location on file with NPPES is 720 Pleasanton Rd, San Antonio, TX 78214-1343.
- What is Cristina Rivera's phone number?
- The practice phone number listed in the NPPES registry for Cristina Rivera is (210) 921-3800.
- Does Cristina Rivera accept Medicare?
- Cristina Rivera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cristina Rivera's NPI active?
- Yes — Cristina Rivera's NPI (1851929350) is active in the NPPES registry as of the last update on 2023-07-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.