Guillermo Valdes Montemayor, M.D., M.B.A
NPI 1396028767 · Child & Adolescent Psychiatry Physician · New York, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guillermo Valdes Montemayor, M.D., M.B.A is a Child & Adolescent Psychiatry Physician provider in New York, NY (NPI 1396028767).
Provider details
- NPI number
- 1396028767
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.B.A
- Sex
- Male
- Sole proprietor
- Yes
- License
- 280656 (NY)
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
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
- 2011-09-22
- Last updated
- 2018-04-24
Frequently asked questions
- What is Guillermo Valdes Montemayor's NPI number?
- Guillermo Valdes Montemayor's National Provider Identifier (NPI) is 1396028767, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guillermo Valdes Montemayor's specialty?
- Guillermo Valdes Montemayor is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Guillermo Valdes Montemayor located?
- Guillermo Valdes Montemayor's practice location on file with NPPES is 180 West End Avenue, New York, NY 10023.
- What is Guillermo Valdes Montemayor's phone number?
- The practice phone number listed in the NPPES registry for Guillermo Valdes Montemayor is (917) 789-1422.
- Does Guillermo Valdes Montemayor accept Medicare?
- Guillermo Valdes Montemayor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guillermo Valdes Montemayor's NPI active?
- Yes — Guillermo Valdes Montemayor's NPI (1396028767) is active in the NPPES registry as of the last update on 2018-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.