Nelson Alvarez Cardin, MD
NPI 1275199523 · Internal Medicine Physician · San Juan, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nelson Alvarez Cardin, MD is a Internal Medicine Physician provider in San Juan, PR (NPI 1275199523).
Provider details
- NPI number
- 1275199523
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 21477 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Mailing address
Additional practice locations (1)
- R006 Calle Domingo FidalgoJuncos, PR 00777Phone: (787) 204-9771
Registry dates
- Enumerated
- 2019-05-13
- Last updated
- 2025-10-10
- Certified
- 2025-10-10
Frequently asked questions
- What is Nelson Alvarez Cardin's NPI number?
- Nelson Alvarez Cardin's National Provider Identifier (NPI) is 1275199523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nelson Alvarez Cardin's specialty?
- Nelson Alvarez Cardin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nelson Alvarez Cardin located?
- Nelson Alvarez Cardin's practice location on file with NPPES is 10 Calle Casia, San Juan, PR 00921-3201.
- What is Nelson Alvarez Cardin's phone number?
- The practice phone number listed in the NPPES registry for Nelson Alvarez Cardin is (787) 641-7582.
- Does Nelson Alvarez Cardin accept Medicare?
- Nelson Alvarez Cardin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nelson Alvarez Cardin's NPI active?
- Yes — Nelson Alvarez Cardin's NPI (1275199523) is active in the NPPES registry as of the last update on 2025-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.