Diego Reymunde Duran, MD
NPI 1639657091 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diego Reymunde Duran, MD is a Internal Medicine Physician provider in Houston, TX (NPI 1639657091).
Provider details
- NPI number
- 1639657091
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
152 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 122 | $119 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 18 | $173 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 12 | $114 |
Typical Medicare-allowed amounts for these services range $114–$173 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 388 Zona Ind Reparada 2Ponce, PR 00716-2347Phone: (787) 840-2575
Registry dates
- Enumerated
- 2018-07-29
- Last updated
- 2023-08-11
- Certified
- 2023-08-11
Frequently asked questions
- What is Diego Reymunde Duran's NPI number?
- Diego Reymunde Duran's National Provider Identifier (NPI) is 1639657091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diego Reymunde Duran's specialty?
- Diego Reymunde Duran is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diego Reymunde Duran located?
- Diego Reymunde Duran's practice location on file with NPPES is 6431 Fannin Street Suite Msb 1.134, Houston, TX 77030-5389.
- What is Diego Reymunde Duran's phone number?
- The practice phone number listed in the NPPES registry for Diego Reymunde Duran is (713) 500-6500.
- Does Diego Reymunde Duran accept Medicare?
- Diego Reymunde Duran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diego Reymunde Duran's NPI active?
- Yes — Diego Reymunde Duran's NPI (1639657091) is active in the NPPES registry as of the last update on 2023-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.