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PETER GREKIN M.D.
NPI 1821081506
Emergency Medicine - Emergency Medical Services in New York, NY

Active since August 26, 2005PECOS Enrolled
423 E 23RD ST, NEW YORK, NY 10010(212) 686-7500 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Peter Grekin M.d. NPPES

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

PETER GREKIN M.D. (NPI 1821081506) is an individual emergency medical services provider in New York, New York, licensed in New York (216692) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821081506
Entity TypeIndividualMale
Primary Taxonomy207PE0004X
Provider Legal NamePETER GREKINCredential: M.D.
Location Address423 E 23RD STNew York, NY 10010-5011
Mailing Address84 Chapel RdWaccabuc, NY 10597-1008 · (914) 533-2423
Phone(212) 686-7500
Sole ProprietorNo
Enumeration DateAugust 26, 2005
Last NPPES UpdateJuly 8, 2007
✔ NPI 1821081506 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency Medicine · Emergency Medical ServicesAllopathic & Osteopathic Physicians
Taxonomy Code207PE0004X
License✔ Licensed in NY · 216692
Definition
An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
423 E 23RD ST, New York, NY 10010
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Other Identifiers 2

Medicare UPINH40417NY
Medicare ID-Type Unspecified715V11NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Peter Grekin 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 10010 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 20

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

DR. JASON H EPSTEIN MD
Anesthesiology (Pain Medicine)
423 E 23RD ST
NEW YORK, NY 10010
New York County (212) 686-7500
MR. GREG DATILES GONZALES RRT-NPS, RPFT, AEC
Respiratory Therapist, Registered (Critical Care)
423 E 23RD ST, RESPIRATORY CARE SERVICES ROOM 13095S
NEW YORK, NY 10010
New York County (212) 686-7500
DR. LAMONT JORDAN BARLOW
Urology
423 E 23RD ST
NEW YORK, NY 10010
New York County (212) 686-7500
MRS. PASCALE FILS-AIME RRT
Respiratory Therapist, Registered (General Care)
423 E 23RD ST, RESPIRATORY CARE RM 13090S
NEW YORK, NY 10010
New York County (212) 686-7500
MS. COURTNEY DUNN LCSW
Social Worker (Clinical)
423 E 23RD ST
NEW YORK, NY 10010
New York County (212) 686-7500
DR. PATRICK COLIN MALLOY M.D.
Radiology (Vascular & Interventional Radiology)
423 E 23RD ST, RADIOLOGY SERVICE
NEW YORK, NY 10010
New York County (212) 686-7500
CARLA ASSENZA LMSW
Social Worker
423 E 23RD ST
NEW YORK, NY 10010
New York County (212) 686-7500
CARA MARY OCHSENREITER LMSW
Social Worker
423 E 23RD ST
NEW YORK, NY 10010
New York County (347) 216-5546

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 Peter Grekin's NPI number?

The NPI number for Peter Grekin is 1821081506. It was assigned to this individual provider in the NPPES registry on August 26, 2005.

Where is Peter Grekin located?

Peter Grekin practices at 423 E 23rd St, New York, NY 10010. The listed phone number is (212) 686-7500.

What is Peter Grekin's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Is Peter Grekin enrolled in Medicare?

Yes. Peter Grekin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Peter Grekin was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.