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Guillermo Santiago, MD
NPI 1295803526 · Psychiatry Physician · New York, NY
Guillermo Santiago, MD is a Psychiatry Physician provider in New York, NY (NPI 1295803526).
Provider details
- NPI number
- 1295803526
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 153535 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1901 1st Ave
New York, NY 10029-7404
Phone: (212) 423-7151
Fax: (212) 423-8604
Street-level locationGet directions
Mailing address
1010 Premier Blvd
New Hyde Park, NY 11040-5422
Registry dates
- Enumerated
- 2006-12-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Guillermo Santiago's NPI number?
- Guillermo Santiago's National Provider Identifier (NPI) is 1295803526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guillermo Santiago's specialty?
- Guillermo Santiago is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Guillermo Santiago located?
- Guillermo Santiago's practice location on file with NPPES is 1901 1st Ave, New York, NY 10029-7404.
- What is Guillermo Santiago's phone number?
- The practice phone number listed in the NPPES registry for Guillermo Santiago is (212) 423-7151.
- Is Guillermo Santiago's NPI active?
- Yes — Guillermo Santiago's NPI (1295803526) 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.