Maribel Mercado, M.D.
NPI 1699956847 · General Practice Physician · San Sebastian, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maribel Mercado, M.D. is a General Practice Physician provider in San Sebastian, PR (NPI 1699956847).
Provider details
- NPI number
- 1699956847
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 16932 (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
18 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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 64 | 18 |
| Levothyroxine Sodium | 57 | 20 |
| Simvastatin | 51 | 17 |
| Levetiracetam | 43 | 11 |
| Amlodipine Besylate | 38 | 11 |
| Metformin Hcl | 32 | 11 |
| Atorvastatin Calcium | 30 | 12 |
Mailing address
Registry dates
- Enumerated
- 2007-11-15
- Last updated
- 2007-11-15
Frequently asked questions
- What is Maribel Mercado's NPI number?
- Maribel Mercado's National Provider Identifier (NPI) is 1699956847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maribel Mercado's specialty?
- Maribel Mercado is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Maribel Mercado located?
- Maribel Mercado's practice location on file with NPPES is Hc 1 Box 9460, San Sebastian, PR 00685-9706.
- What is Maribel Mercado's phone number?
- The practice phone number listed in the NPPES registry for Maribel Mercado is (787) 629-7066.
- Does Maribel Mercado accept Medicare?
- Maribel Mercado is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maribel Mercado's NPI active?
- Yes — Maribel Mercado's NPI (1699956847) is active in the NPPES registry as of the last update on 2007-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.