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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. GREGORY STEPHEN KAZARIAN MD
NPI 1932736634
Orthopaedic Surgery in New York, NY

Active since March 24, 2020PECOS Enrolled
535 E 70TH ST, NEW YORK, NY 10021(212) 606-1000 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 10, 2026, Apr 20, 2021, Apr 8, 2021 and 1 more (4 updates tracked since 2020).

About Dr. Gregory Stephen Kazarian Md NPPES

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

DR. GREGORY STEPHEN KAZARIAN MD (NPI 1932736634) is an individual orthopaedic surgery provider in New York, New York, licensed in New York (312600-01) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1932736634
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. GREGORY STEPHEN KAZARIANCredential: MD
Location Address535 E 70TH STNew York, NY 10021-4823
Mailing Address2 Marissa CirWorcester, MA 01604-2674 · (508) 742-7957
Phone(212) 606-1000
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateMarch 24, 2020
Last NPPES UpdateJuly 10, 20264 updates tracked since enumeration
NPPES CertifiedJuly 10, 2026
✔ NPI 1932736634 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in NY · 312600-01
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
535 E 70TH ST, New York, NY 10021
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Other Names 1

Other Name (5)Dr. Greg Stephen Kazarian Md

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. Gregory Stephen Kazarian Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7719493899
PECOS Enrollment IDI20260609000402
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 10021 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
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
Most-billed visit code 99213
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 E. MCCORD PA-C
Physician Assistant (Surgical)
535 E 70TH ST
NEW YORK, NY 10021
New York County (212) 606-1585
MICHAEL NEWMAN SINGLETON M.D.
Anesthesiology
535 E 70TH ST
NEW YORK, NY 10021
New York County (212) 606-1036
GRETCHEN OSTRANDER ATC
Specialist/Technologist (Athletic Trainer)
535 E 70TH ST
NEW YORK, NY 10021
New York County (203) 257-5414
AMANDA PERLMUTTER
Speech-Language Pathologist
535 E 70TH ST
NEW YORK, NY 10021
New York County (212) 606-1137
MONICA ANIS MD
Anesthesiology
535 E 70TH ST
NEW YORK, NY 10021
New York County (201) 527-7051
MARIANA SOFIA MOREIRAS
Physical Therapist
535 E 70TH ST
NEW YORK, NY 10021
New York County (917) 260-4970
DR. SHEVAUN MACKIE DOYLE MD
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
535 E 70TH ST
NEW YORK, NY 10021
New York County (646) 797-8816
NATISHA REGINA ROSS PA-C
Physician Assistant
535 E 70TH ST
NEW YORK, NY 10021
New York County (212) 606-1004

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 Kazarian's NPI number?

The NPI number for Gregory Kazarian is 1932736634. It was assigned to this individual provider in the NPPES registry on March 24, 2020. The provider is also known as Dr. Greg Stephen Kazarian MD.

Where is Gregory Kazarian located?

Gregory Kazarian practices at 535 E 70th St, New York, NY 10021. The listed phone number is (212) 606-1000.

What is Gregory Kazarian's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Gregory Kazarian enrolled in Medicare?

Yes. Gregory Kazarian is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregory Kazarian was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.