Regino Colon Alsina, M.D.
NPI 1801874193 · General Practice Physician · San Juan, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Regino Colon Alsina, M.D. is a General Practice Physician provider in San Juan, PR (NPI 1801874193).
Provider details
- NPI number
- 1801874193
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 15985 (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
20 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-06
- Last updated
- 2014-03-18
Frequently asked questions
- What is Regino Colon Alsina's NPI number?
- Regino Colon Alsina's National Provider Identifier (NPI) is 1801874193, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Regino Colon Alsina's specialty?
- Regino Colon Alsina is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Regino Colon Alsina located?
- Regino Colon Alsina's practice location on file with NPPES is Bo Monacillos Carr 22, San Juan, PR 00935.
- What is Regino Colon Alsina's phone number?
- The practice phone number listed in the NPPES registry for Regino Colon Alsina is (787) 247-4496.
- Does Regino Colon Alsina accept Medicare?
- Regino Colon Alsina is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Regino Colon Alsina's NPI active?
- Yes — Regino Colon Alsina's NPI (1801874193) is active in the NPPES registry as of the last update on 2014-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.