Doctor profile · Federal record

Dr. Victor Villarreal, MD

Nephrology Physician (CMS: Nephrology) · San Antonio, TX

  • NPI 1649246463
  • Accepts Medicare
  • 56 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4458 Medical Dr Ste 205
San Antonio, TX 782293748
(210) 614-1515
Mailing address
16620 N US Highway 281, Ste 300
San Antonio, TX 782322679

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
March 14, 2025
Year of graduation
1970 — 56 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Texas #G9926
Medicaid
TX #117879003

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649246463. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,200
Distinct HCPCS
10
Medicare allowed
$274,118
HCPCS Description Services Patients Avg allowed
J0885 Injection, epoetin alfa, (for non-esrd use), 1000 units 705 27 $7
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 640 184 $113
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 484 83 $58
99214 Established patient office or other outpatient visit, 30-39 minutes 407 152 $100
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 214 33 $334
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 188 65 $45
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 166 82 $76
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 88 79 $165
85018 Blood count, hemoglobin 86 27 $2
96372 Injection of drug or substance under skin or into muscle 85 27 $14

In context: peer comparison

Among 47 peers in San Antonio Nephrology Physician, average services per provider: 133. This provider delivers 24× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$425
Transactions
21
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 7 $143.26
Lilly USA, LLC 4 $87.51
Travere Therapeutics, INC. 4 $74.76
Fresenius USA Marketing, INC. 3 $52.80
Veloxis Pharmaceuticals, INC. 1 $28.30
Ani Pharmaceuticals, INC. 1 $20.81
Ardelyx, INC. 1 $17.88

By nature of payment

Food and Beverage
$392
Education
$34

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,371
Patients
463
Total drug cost
$291,545
Drug Type Claims Patients Total cost
Furosemide Generic 240 94 $2,776
Allopurinol Generic 215 68 $2,304
Amlodipine Besylate Generic 159 58 $1,488
Losartan Potassium Generic 159 48 $2,070
Sevelamer Carbonate Generic 132 40 $46,207
Nifedipine ER (Nifedipine) Brand 122 46 $6,675
Farxiga (Dapagliflozin Propanediol) Brand 50 16 $43,775
Carvedilol Generic 48 16 $701
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 47 36 $104
Lisinopril Generic 44 17 $635

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Victor Villarreal's medical specialty?
Dr. Victor Villarreal practices Nephrology Physician in San Antonio, TX.
Where does Dr. Victor Villarreal practice?
Dr. Victor Villarreal practices at 4458 Medical Dr Ste 205, San Antonio, TX 782293748. Office phone: 2106141515.
What is Dr. Victor Villarreal's NPI?
Dr. Victor Villarreal's National Provider Identifier (NPI) is 1649246463, issued by NPPES.
Does Dr. Victor Villarreal accept Medicare assignment?
Yes. Dr. Victor Villarreal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Victor Villarreal commonly perform?
Top Medicare-reported procedures in 2023: Injection, epoetin alfa, (for non-esrd use), 1000 units (HCPCS J0885); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.