Doctor profile · Federal record

Dr. Roque Diaz Wong, M.D.

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

  • NPI 1477758357
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4330 Medical Dr Ste 105
San Antonio, TX 782293342
(210) 692-7228
fax (210) 692-9671
Mailing address
7142 San Pedro Ave, Suite 120
San Antonio, TX 782166256

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
August 26, 2020
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Texas #P5965 · Michigan #4301089787
Medicaid
TX #324927801

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477758357. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,432
Distinct HCPCS
8
Medicare allowed
$161,920
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 521 142 $115
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 390 118 $77
99214 Established patient office or other outpatient visit, 30-39 minutes 287 117 $102
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 98 83 $168
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 58 12 $344
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 38 33 $127
90935 Hemodialysis procedure with physician evaluation 23 14 $70
81003 Automated urinalysis test 17 17 $2

In context: peer comparison

Among 47 peers in this city , average services per provider: 133. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$889
Transactions
38
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 7 $158.68
Otsuka America Pharmaceutical, Inc. 5 $138.74
Travere Therapeutics, Inc. 6 $106.72
Novo Nordisk Inc 3 $65.06
Aurinia Pharma U.S., Inc. 2 $54.54
Alexion Pharmaceuticals, Inc. 2 $46.33
Vifor Pharma, Inc. 2 $44.77
Lilly USA, LLC 2 $34.15
Veloxis Pharmaceuticals, Inc. 1 $33.78
Fresenius USA Marketing, Inc. 2 $32.67
ANI Pharmaceuticals, Inc. 2 $29.79
AstraZeneca Pharmaceuticals LP 1 $26.80
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $23.83
Amgen Inc. 1 $21.27
Ultragenyx Pharmaceutical Inc. 1 $19.79

By nature of payment

Food and Beverage
$889

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
653
Patients
175
Total drug cost
$44,676
Drug Type Claims Patients Total cost
Prednisone Generic 67 20 $674
Amlodipine Besylate Generic 65 24 $343
Carvedilol Generic 65 16 $771
Nifedipine Er (Nifedipine) Brand 51 16 $3,491
Lisinopril Generic 50 17 $1,020
Bumetanide Generic 47 13 $3,523
Losartan Potassium Generic 45 0 $467
Allopurinol Generic 43 14 $400
Furosemide Generic 42 18 $478
Sevelamer Carbonate Generic 38 14 $27,644

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Roque Diaz Wong's medical specialty?
Dr. Roque Diaz Wong practices Nephrology Physician in San Antonio, TX.
Where does Dr. Roque Diaz Wong practice?
Dr. Roque Diaz Wong practices at 4330 Medical Dr Ste 105, San Antonio, TX 782293342. Office phone: 2106927228.
What is Dr. Roque Diaz Wong's NPI?
Dr. Roque Diaz Wong's National Provider Identifier (NPI) is 1477758357, issued by NPPES.
Does Dr. Roque Diaz Wong accept Medicare assignment?
Yes. Dr. Roque Diaz Wong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roque Diaz Wong commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.