DR. GARY MAZER M.D.
NPI 1538337381
Emergency Medicine in New York, NY

Q: What is Gary Mazer's NPI number?

The NPI number for Gary Mazer is 1538337381. It was assigned to this individual provider in the NPPES registry on February 14, 2008.

Q: What is Gary Mazer's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Gary Mazer was last updated on February 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since February 14, 2008PECOS Enrolled

336 E 86TH ST, NEW YORK, NY 10028(212) 772-3627 Get Directions Write a Review

NPPES record last updated: February 21, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Gary Mazer M.d. NPPES

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

DR. GARY MAZER M.D. (NPI 1538337381) is an individual emergency medicine provider in New York, New York, licensed in New York (236270) and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1538337381

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. GARY MAZERCredential: M.D.

Location Address336 E 86TH STNew York, NY 10028-4615

Mailing Address1345 Avenue Of The Americas Fl 8New York, NY 10105-0018 · (908) 588-3635 · Fax (908) 934-9350

Phone(212) 772-3627

Sole ProprietorNo

Enumeration DateFebruary 14, 2008

Last NPPES UpdateFebruary 21, 2025

NPPES CertifiedFebruary 21, 2025

✔ NPI 1538337381 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in NY · 236270

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.

336 E 86TH ST, New York, NY 10028

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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. Gary Mazer 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10028 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

$102.04 typical visit price

range $65.69 – $198.19

Typical copayment $25.51 (range $16.42 – $49.54)

Most-billed visit code 99203

Established Patient

$114.88 typical visit price

range $21.20 – $160.66

Typical copayment $28.72 (range $5.30 – $40.16)

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 12

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

DR. CARLTON E CASH MD

Emergency Medicine