Victor Villarreal, MD
NPI 1649246463 · Nephrology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Victor Villarreal, MD is a Nephrology Physician provider in San Antonio, TX (NPI 1649246463).
Provider details
- NPI number
- 1649246463
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G9926 (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
20 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
2,188 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 459 | $104 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 345 | $55 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 342 | $114 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 337 | $15 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 196 | $42 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 226 | 80 |
| Allopurinol | 224 | 69 |
| Dapagliflozin Propanediolbrand: Farxiga | 201 | 42 |
| Amlodipine Besylate | 149 | 57 |
| Losartan Potassium | 141 | 49 |
| Nifedipinebrand: Nifedipine Er | 108 | 36 |
| Sevelamer Carbonate | 106 | 38 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$425 across 21 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
- 2006-02-23
- Last updated
- 2025-03-14
- Certified
- 2025-03-14
Frequently asked questions
- What is Victor Villarreal's NPI number?
- Victor Villarreal's National Provider Identifier (NPI) is 1649246463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Victor Villarreal's specialty?
- Victor Villarreal is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Victor Villarreal located?
- Victor Villarreal's practice location on file with NPPES is 4458 Medical Dr Ste 205, San Antonio, TX 78229-3748.
- What is Victor Villarreal's phone number?
- The practice phone number listed in the NPPES registry for Victor Villarreal is (210) 614-1515.
- Does Victor Villarreal accept Medicare?
- Victor Villarreal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Victor Villarreal's NPI active?
- Yes — Victor Villarreal's NPI (1649246463) is active in the NPPES registry as of the last update on 2025-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.