Guillermo Pi, M.D.
NPI 1366898777 · Pediatric Adolescent Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guillermo Pi, M.D. is a Pediatric Adolescent Medicine Physician provider in New York, NY (NPI 1366898777).
Provider details
- NPI number
- 1366898777
- Entity type
- Individual
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 297594 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$99 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-04
- Last updated
- 2026-05-15
- Certified
- 2026-05-15
Frequently asked questions
- What is Guillermo Pi's NPI number?
- Guillermo Pi's National Provider Identifier (NPI) is 1366898777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guillermo Pi's specialty?
- Guillermo Pi is listed in the NPPES registry with a primary specialty of Pediatric Adolescent Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Guillermo Pi located?
- Guillermo Pi's practice location on file with NPPES is 550 1st Ave, New York, NY 10016-6402.
- What is Guillermo Pi's phone number?
- The practice phone number listed in the NPPES registry for Guillermo Pi is (212) 263-5506.
- Does Guillermo Pi accept Medicare?
- Guillermo Pi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guillermo Pi's NPI active?
- Yes — Guillermo Pi's NPI (1366898777) is active in the NPPES registry as of the last update on 2026-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.