Nelson Diaz Baez, M.D.
NPI 1558457218 · General Practice Physician · Ponce, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nelson Diaz Baez, M.D. is a General Practice Physician provider in Ponce, PR (NPI 1558457218).
Provider details
- NPI number
- 1558457218
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 14444 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 135 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 404 | 59 |
| Famotidine | 348 | 56 |
| Levothyroxine Sodium | 346 | 43 |
| Metformin Hcl | 307 | 46 |
| Simvastatin | 278 | 46 |
| Lisinopril | 241 | 35 |
| Losartan Potassium | 233 | 39 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-04
- Last updated
- 2020-10-29
- Certified
- 2020-10-29
Frequently asked questions
- What is Nelson Diaz Baez's NPI number?
- Nelson Diaz Baez's National Provider Identifier (NPI) is 1558457218, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nelson Diaz Baez's specialty?
- Nelson Diaz Baez is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Nelson Diaz Baez located?
- Nelson Diaz Baez's practice location on file with NPPES is 7813 Calle Nazaret, Ponce, PR 00717-1006.
- What is Nelson Diaz Baez's phone number?
- The practice phone number listed in the NPPES registry for Nelson Diaz Baez is (787) 840-1053.
- Does Nelson Diaz Baez accept Medicare?
- Nelson Diaz Baez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nelson Diaz Baez's NPI active?
- Yes — Nelson Diaz Baez's NPI (1558457218) is active in the NPPES registry as of the last update on 2020-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.