Carlos Martinez Duran, MD
NPI 1700863420 · Internal Medicine Physician · Bayamon, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carlos Martinez Duran, MD is a Internal Medicine Physician provider in Bayamon, PR (NPI 1700863420).
Provider details
- NPI number
- 1700863420
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 8721 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
136 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 35 Minutes99232 | 97 | $61 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 20 | $7 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 19 | $168 |
Typical Medicare-allowed amounts for these services range $7–$168 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 87 | 86 |
| Atorvastatin Calcium | 44 | 37 |
| Losartan Potassium | 34 | 27 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus | 33 | 30 |
| Metoprolol Succinate | 27 | 23 |
| Insulin Lisprobrand: Humalog | 27 | 26 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-22
- Last updated
- 2010-09-22
Frequently asked questions
- What is Carlos Martinez Duran's NPI number?
- Carlos Martinez Duran's National Provider Identifier (NPI) is 1700863420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carlos Martinez Duran's specialty?
- Carlos Martinez Duran is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carlos Martinez Duran located?
- Carlos Martinez Duran's practice location on file with NPPES is 73 Calle Santa Cruz, Bayamon, PR 00961-6910.
- What is Carlos Martinez Duran's phone number?
- The practice phone number listed in the NPPES registry for Carlos Martinez Duran is (787) 786-3592.
- Does Carlos Martinez Duran accept Medicare?
- Carlos Martinez Duran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carlos Martinez Duran's NPI active?
- Yes — Carlos Martinez Duran's NPI (1700863420) is active in the NPPES registry as of the last update on 2010-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.