Adan Nigaglioni Rivera, MD
NPI 1598726911 · Infectious Disease Physician · San Juan, PR
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Adan Nigaglioni Rivera, MD is a Infectious Disease Physician provider in San Juan, PR (NPI 1598726911).
Provider details
- NPI number
- 1598726911
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 11826 (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
20 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 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.
Mailing address
Registry dates
- Enumerated
- 2006-03-28
- Last updated
- 2024-10-30
- Certified
- 2024-10-30
Frequently asked questions
- What is Adan Nigaglioni Rivera's NPI number?
- Adan Nigaglioni Rivera's National Provider Identifier (NPI) is 1598726911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Adan Nigaglioni Rivera's specialty?
- Adan Nigaglioni Rivera is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Adan Nigaglioni Rivera located?
- Adan Nigaglioni Rivera's practice location on file with NPPES is Diamante a 14 Golden Gate, San Juan, PR 00922.
- What is Adan Nigaglioni Rivera's phone number?
- The practice phone number listed in the NPPES registry for Adan Nigaglioni Rivera is (787) 397-3107.
- Does Adan Nigaglioni Rivera accept Medicare?
- Adan Nigaglioni Rivera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Adan Nigaglioni Rivera's NPI active?
- Yes — Adan Nigaglioni Rivera's NPI (1598726911) is active in the NPPES registry as of the last update on 2024-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.