Xavier Santiago-Albizu, M.D.
NPI 1356627657 · Internal Medicine Physician · Santurce, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Xavier Santiago-Albizu, M.D. is a Internal Medicine Physician provider in Santurce, PR (NPI 1356627657).
Provider details
- NPI number
- 1356627657
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 002548 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2011-10-31
- Last updated
- 2015-07-22
Frequently asked questions
- What is Xavier Santiago-Albizu's NPI number?
- Xavier Santiago-Albizu's National Provider Identifier (NPI) is 1356627657, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xavier Santiago-Albizu's specialty?
- Xavier Santiago-Albizu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Xavier Santiago-Albizu located?
- Xavier Santiago-Albizu's practice location on file with NPPES is 607 Ave Condado, Santurce, PR 00907-3845.
- What is Xavier Santiago-Albizu's phone number?
- The practice phone number listed in the NPPES registry for Xavier Santiago-Albizu is (787) 234-2535.
- Does Xavier Santiago-Albizu accept Medicare?
- Xavier Santiago-Albizu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Xavier Santiago-Albizu's NPI active?
- Yes — Xavier Santiago-Albizu's NPI (1356627657) is active in the NPPES registry as of the last update on 2015-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.