Mark Geller, M.D

NPI: 1093710345

Mark Geller, M.D

Q: What is Mark Geller's NPI number?

Mark Geller's NPI number is 1093710345, a unique 10-digit identifier issued by CMS.

Q: What does Mark Geller specialize in?

Mark Geller specializes in Endocrinology, taxonomy code 207RE0101X.

Q: Where does Mark Geller practice?

Mark Geller practices in Tarzana, CA 91356-3641.

Q: When was Mark Geller's NPI issued?

Mark Geller's NPI was issued on June 14, 2005.

Q: What is Mark Geller's provider type?

Mark Geller is an Individual Provider under CMS NPI Type 1.

ActiveIndividual ProviderEndocrinology

NPI issued: June 14, 2005

Quick Facts

NPI Number

1093710345

TypeIndividual

StatusActive

SpecialtyEndocrinology

Taxonomy207RE0101X — Endocrinology

Phone

(818) 466-7700

StateCA

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1093710345)

✅Active status confirmed

✅Verified by CMS NPPES Registry

✅HIPAA compliant identifier

✅Enumeration date on file (June 14, 2005)

Data source: CMS NPPES

Provider Overview

MARK GELLER, M.D is a Endocrinology provider based in Tarzana, CA who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1093710345

Provider TypeIndividual Provider

GenderMale

CredentialM.D

StatusActive

Enumeration DateJune 14, 2005

Practice Location

CityTarzana

StateCA

ZIP Code91356-3641

Phone(818) 466-7700

Specialties & Licenses

★ Primary

SpecialtyEndocrinology

Taxonomy Code207RE0101X

License StateCA

Mailing Address

CityTarzana

StateCA

ZIP Code91356-3641

Phone(818) 466-7700

Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1093710345 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 1093710345for 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 1093710345 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 Endocrinology

Specialists in Endocrinology provide expert clinical care within their specific domain, focusing on the diagnosis, treatment, and management of conditions relevant to their field of practice.

Browse all Endocrinologyproviders →

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Endocrinology Providers in the US