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GREGORY MAY
NPI 1649911769
Emergency Medicine in Buffalo, NY

Active since April 05, 2022PECOS EnrolledAccepts Medicare Assignment
955 MAIN ST STE 7230, BUFFALO, NY 14203(716) 645-9707 Get Directions Write a Review

NPPES record last updated: May 24, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 24, 2025, Apr 5, 2022 (2 updates tracked since 2022).

About Gregory May NPPES

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

GREGORY MAY (NPI 1649911769) is an individual emergency medicine provider in Buffalo, New York, licensed in New York (336780) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Erie County Medical Center, and is a graduate of Touro Un Col Of Osteopathic Medicine, New York (2022).

NPPES Registry Identity

NPI1649911769
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameGREGORY MAY
Location Address955 MAIN ST STE 7230Buffalo, NY 14203-1121
Mailing Address955 Main St Ste 7230Buffalo, NY 14203-1121
Phone(716) 645-9707
Sole ProprietorNo
Medical School CMSTouro Un Col Of Osteopathic Medicine, New YorkGraduated 2022
Enumeration DateApril 5, 2022
Last NPPES UpdateMay 24, 20252 updates tracked since enumeration
NPPES CertifiedMay 24, 2025
✔ NPI 1649911769 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in NY · 336780
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
955 MAIN ST STE 7230, Buffalo, NY 14203
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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 and accepts Medicare assignment

Gregory May is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6901316215
PECOS Enrollment IDI20250606000928
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Erie County Medical Center

Acute Care Hospitals · Buffalo, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330219
Location462 Grider StreetBuffalo, NY 14215 · Erie County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14203 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SARAH KHALED ALEM
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (716) 829-5076
CONSTANCE K HOWARD DO
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (716) 829-2012
TERRY XIA MD
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (716) 829-2012
BAILEY MICHAEL MAJTYKA MD
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (716) 829-2012
KEVIN ALEXANDER DIMAGNO DO
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (585) 414-9386
DR. LESTER ERNESTO BAYONA CHUYE MD
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (716) 829-6132
ELENA BARBARA HEIDEN PETERS MD
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (716) 645-9707
GABRIELA MARIE KLANSKY D.O.
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (716) 829-2012

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory May's NPI number?

The NPI number for Gregory May is 1649911769. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Where is Gregory May located?

Gregory May practices at 955 Main St Ste 7230, Buffalo, NY 14203. The listed phone number is (716) 645-9707.

What is Gregory May's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Gregory May enrolled in Medicare?

Yes. Gregory May is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Gregory May affiliated with any hospitals?

According to CMS data, Gregory May is affiliated with Erie County Medical Center.

When was this NPI record last updated?

The NPPES record for Gregory May was last updated on May 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.