DR. GUILLERMO ELIAS PI M.D.
NPI 1366898777
Pediatrics - Adolescent Medicine in New York, NY

Q: What is the provider's specialty?

The provider's specialty is Pediatrics with taxonomy code 2080A0000X and a focus in Adolescent Medicine.

Active since May 04, 2016PECOS Enrolled

550 1ST AVE, NEW YORK, NY 10016(212) 263-5506 Get Directions Write a Review

NPPES record last updated: May 15, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: May 15, 2026, Aug 4, 2025, May 29, 2020 and 1 more (4 updates tracked since 2016).

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About Dr. Guillermo Elias Pi M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GUILLERMO ELIAS PI M.D. (NPI 1366898777) is an individual adolescent medicine provider in New York, New York, licensed in New York (297594) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366898777

Entity TypeIndividualMale

Primary Taxonomy2080A0000X

Provider Legal NameDR. GUILLERMO ELIAS PICredential: M.D.

Location Address550 1ST AVENew York, NY 10016-6402

Mailing Address550 1st AveNew York, NY 10016-6402 · (212) 263-5506

Phone(212) 263-5506

Sole ProprietorYes

Enumeration DateMay 4, 2016

Last NPPES UpdateMay 15, 20264 updates tracked since enumeration

NPPES CertifiedMay 15, 2026

✔ NPI 1366898777 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080A0000X

License✔ Licensed in NY · 297594

Definition

A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.

Also ListedInternal Medicine · Adolescent MedicineTaxonomy 207RA0000X · License 297594 (NY)

Also ListedPediatricsTaxonomy 208000000X · License 297594 (NY)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

550 1ST AVE, New York, NY 10016

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Guillermo Elias Pi M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.