Peter Grekin, M.D

NPI: 1821081506

Peter Grekin, M.D

Q: What is Peter Grekin's NPI number?

Peter Grekin's NPI number is 1821081506, a unique 10-digit identifier issued by CMS.

Q: What does Peter Grekin specialize in?

Peter Grekin specializes in Emergency Medicine, taxonomy code 207PE0004X.

Q: Where does Peter Grekin practice?

Peter Grekin practices in New York, NY 10010-5011.

Q: When was Peter Grekin's NPI issued?

Peter Grekin's NPI was issued on August 26, 2005.

Q: What is Peter Grekin's provider type?

Peter Grekin is an Individual Provider under CMS NPI Type 1.

ActiveIndividual ProviderEmergency Medicine

NPI issued: August 26, 2005

Quick Facts

NPI Number

1821081506

TypeIndividual

StatusActive

SpecialtyEmergency Medicine

Taxonomy207PE0004X — Emergency Medicine

Phone

(212) 686-7500

StateNY

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1821081506)

✅Active status confirmed

✅Verified by CMS NPPES Registry

✅HIPAA compliant identifier

✅Enumeration date on file (August 26, 2005)

Data source: CMS NPPES

Provider Overview

PETER GREKIN, M.D is a Emergency Medicine provider based in New York, NY who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1821081506

Provider TypeIndividual Provider

GenderMale

CredentialM.D

StatusActive

Enumeration DateAugust 26, 2005

Practice Location

CityNew York

StateNY

ZIP Code10010-5011

Phone(212) 686-7500

Specialties & Licenses

★ Primary

SpecialtyEmergency Medicine

Taxonomy Code207PE0004X

License StateNY

Mailing Address

CityNew York

StateNY

ZIP Code10010-5011

Phone(212) 686-7500

Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1821081506 in Box 33 of the CMS-1500 claim form. This number is required by all major insurance carriers to identify the billing provider and process electronic medical claims.

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For Credentialing

Reference NPI 1821081506for provider credential verification. Hospital systems, state licensing boards, and CAQH directories query this number to verify the provider's active clinical status.

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For Patients

Share NPI 1821081506 with your insurance company. If you need to verify out-of-network benefits or file a reimbursement claim, your insurance provider will require this number to process it.

About Emergency Medicine

Emergency Medicine physicians specialize in the immediate decision-making and action necessary to prevent death or further disability in patients experiencing acute illness or trauma.

Browse all Emergency Medicineproviders →

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Emergency Medicine Providers in the US