Roque Diaz Wong, M.D.
NPI 1477758357 · Nephrology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roque Diaz Wong, M.D. is a Nephrology Physician provider in San Antonio, TX (NPI 1477758357).
Provider details
- NPI number
- 1477758357
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301089787 (MI)
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
1,239 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 | 366 | $113 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 319 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 270 | $119 |
| 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 | 167 | $16 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 76 | $164 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 87 | 23 |
| Nifedipinebrand: Nifedipine Er | 69 | 19 |
| Prednisone | 69 | 23 |
| Carvedilol | 66 | 19 |
| Losartan Potassium | 50 | 11 |
| Dapagliflozin Propanediolbrand: Farxiga | 48 | 11 |
| Atorvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$889 across 41 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
- 2007-06-19
- Last updated
- 2020-08-26
- Certified
- 2020-08-26
Frequently asked questions
- What is Roque Diaz Wong's NPI number?
- Roque Diaz Wong's National Provider Identifier (NPI) is 1477758357, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roque Diaz Wong's specialty?
- Roque Diaz Wong is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Roque Diaz Wong located?
- Roque Diaz Wong's practice location on file with NPPES is 4330 Medical Dr Ste 105, San Antonio, TX 78229-3342.
- What is Roque Diaz Wong's phone number?
- The practice phone number listed in the NPPES registry for Roque Diaz Wong is (210) 692-7228.
- Does Roque Diaz Wong accept Medicare?
- Roque Diaz Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roque Diaz Wong's NPI active?
- Yes — Roque Diaz Wong's NPI (1477758357) is active in the NPPES registry as of the last update on 2020-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.