Robert Grimshaw, Jr., M.D., F.A.C.P

NPI: 1033111265

Robert Grimshaw, Jr., M.D., F.A.C.P

Q: What is Robert Grimshaw, Jr.'s NPI number?

Robert Grimshaw, Jr.'s NPI number is 1033111265, a unique 10-digit identifier issued by CMS.

Q: What does Robert Grimshaw, Jr. specialize in?

Robert Grimshaw, Jr. specializes in Internal Medicine, taxonomy code 207R00000X.

Q: Where does Robert Grimshaw, Jr. practice?

Robert Grimshaw, Jr. practices in Yorktown Hts, NY 10598-1209.

Q: When was Robert Grimshaw, Jr.'s NPI issued?

Robert Grimshaw, Jr.'s NPI was issued on June 1, 2005.

Q: What is Robert Grimshaw, Jr.'s provider type?

Robert Grimshaw, Jr. is an Individual Provider under CMS NPI Type 1.

ActiveIndividual ProviderInternal Medicine

NPI issued: June 1, 2005

Quick Facts

NPI Number

1033111265

TypeIndividual

StatusActive

SpecialtyInternal Medicine

Taxonomy207R00000X — Internal Medicine

Phone

(914) 962-3180

StateNY

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1033111265)

✅Active status confirmed

✅Verified by CMS NPPES Registry

✅HIPAA compliant identifier

✅Enumeration date on file (June 1, 2005)

Data source: CMS NPPES

Provider Overview

ROBERT GRIMSHAW, JR., M.D., F.A.C.P is a Internal Medicine provider based in Yorktown Hts, NY who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1033111265

Provider TypeIndividual Provider

GenderMale

CredentialM.D., F.A.C.P

StatusActive

Enumeration DateJune 1, 2005

Practice Location

CityYorktown Hts

StateNY

ZIP Code10598-1209

Phone(914) 962-3180

Specialties & Licenses

★ Primary

SpecialtyInternal Medicine

Taxonomy Code207R00000X

License StateNY

Mailing Address

CityYorktown Hts

StateNY

ZIP Code10598-1209

Phone(914) 962-3180

Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1033111265 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 1033111265for 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 1033111265 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 Internal Medicine

Internal Medicine physicians (internists) specialize in the prevention, diagnosis, and nonsurgical treatment of adult illnesses, managing complex chronic conditions and multi-system diseases.

Browse all Internal Medicineproviders →

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Internal Medicine Providers in the US