Margarita Medina, M.D.
NPI 1518991017 · Internal Medicine Physician · San Juan, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margarita Medina, M.D. is a Internal Medicine Physician provider in San Juan, PR (NPI 1518991017).
Provider details
- NPI number
- 1518991017
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 14112 (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 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dolutegravir Sodium/Lamivudinebrand: Dovato | 154 | 20 |
| Dolutegravir Sodiumbrand: Tivicay | 133 | 17 |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 107 | 14 |
| Dolutegravir/Rilpivirinebrand: Juluca | 89 | 12 |
| Doravirinebrand: Pifeltro | 78 | — |
| Raltegravir Potassiumbrand: Isentress Hd | 59 | — |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$941 across 26 records (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
- 2006-07-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margarita Medina's NPI number?
- Margarita Medina's National Provider Identifier (NPI) is 1518991017, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margarita Medina's specialty?
- Margarita Medina is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margarita Medina located?
- Margarita Medina's practice location on file with NPPES is 220 Calle Rubicon, San Juan, PR 00926-3218.
- What is Margarita Medina's phone number?
- The practice phone number listed in the NPPES registry for Margarita Medina is (787) 485-7581.
- Does Margarita Medina accept Medicare?
- Margarita Medina is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margarita Medina's NPI active?
- Yes — Margarita Medina's NPI (1518991017) 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.