James Bryan-Diaz, M.D.
NPI 1932413499 · Internal Medicine Physician · San Juan, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Bryan-Diaz, M.D. is a Internal Medicine Physician provider in San Juan, PR (NPI 1932413499).
Provider details
- NPI number
- 1932413499
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20743 (PR)
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
15 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
259 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 | 124 | $121 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 60 | $114 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 35 | $163 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 | $89 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 12 | $14 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 129 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 404 | 152 |
| Losartan Potassium | 378 | 134 |
| Levothyroxine Sodiumbrand: Synthroid | 341 | 85 |
| Rosuvastatin Calcium | 326 | 122 |
| Gabapentin | 254 | 104 |
| Metoprolol Succinate | 246 | 94 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$272 across 8 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
- 2010-07-27
- Last updated
- 2025-08-08
- Certified
- 2025-08-08
Frequently asked questions
- What is James Bryan-Diaz's NPI number?
- James Bryan-Diaz's National Provider Identifier (NPI) is 1932413499, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Bryan-Diaz's specialty?
- James Bryan-Diaz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Bryan-Diaz located?
- James Bryan-Diaz's practice location on file with NPPES is Ave. Ponce De Leon #735, San Juan, PR 00917.
- What is James Bryan-Diaz's phone number?
- The practice phone number listed in the NPPES registry for James Bryan-Diaz is (787) 767-0655.
- Does James Bryan-Diaz accept Medicare?
- James Bryan-Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Bryan-Diaz's NPI active?
- Yes — James Bryan-Diaz's NPI (1932413499) is active in the NPPES registry as of the last update on 2025-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.