Francisco Serrano, MD
NPI 1851431332 · General Practice Physician · Guaynabo, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Francisco Serrano, MD is a General Practice Physician provider in Guaynabo, PR (NPI 1851431332).
Provider details
- NPI number
- 1851431332
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 11531 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodiumbrand: Synthroid | 90 | 32 |
| Diclofenac Potassium | 80 | 49 |
| Losartan Potassium | 80 | 32 |
| Simvastatin | 78 | 28 |
| Rosuvastatin Calcium | 72 | 30 |
| Famotidine | 68 | 28 |
| Omeprazole | 67 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$119 across 1 record (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
- 2007-02-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Francisco Serrano's NPI number?
- Francisco Serrano's National Provider Identifier (NPI) is 1851431332, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Francisco Serrano's specialty?
- Francisco Serrano is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Francisco Serrano located?
- Francisco Serrano's practice location on file with NPPES is 15 Ave Esmeralda, Guaynabo, PR 00969-4430.
- What is Francisco Serrano's phone number?
- The practice phone number listed in the NPPES registry for Francisco Serrano is (787) 287-2690.
- Does Francisco Serrano accept Medicare?
- Francisco Serrano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Francisco Serrano's NPI active?
- Yes — Francisco Serrano's NPI (1851431332) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.