Gregory Lam, M.D

ActiveIndividual ProviderInternal Medicine
NPI issued: January 4, 2006

Quick Facts

NPI Number
1255319760
TypeIndividual
StatusActive
SpecialtyInternal Medicine
Taxonomy207R00000X — Internal Medicine
Phone
(740) 420-8174
StateOH

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1255319760)
✅Active status confirmed
✅Verified by CMS NPPES Registry
✅HIPAA compliant identifier
✅Enumeration date on file (January 4, 2006)
Data source: CMS NPPES

Provider Overview

GREGORY LAM, M.D is a Internal Medicine provider based in Circleville, OH who has been registered with CMS since 2006. They are affiliated with Ohiohealth Physician Group. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1255319760
Provider TypeIndividual Provider
GenderMale
CredentialM.D
StatusActive
Enumeration DateJanuary 4, 2006

Practice Location

CityCircleville
StateOH
ZIP Code43113-1447
Phone(740) 420-8174

Specialties & Licenses

★ Primary
SpecialtyInternal Medicine
Taxonomy Code207R00000X
License StateOH

Mailing Address

CityCircleville
StateOH
ZIP Code43113-1447
Phone(740) 420-8174
Same as practice location

Hospital & Organization Affiliations

🏢

Ohiohealth Physician Group

📍 Circleville, OH

Hospital NPIY→

How to Use This NPI

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For Insurance Billing

Use NPI 1255319760 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 1255319760for 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 1255319760 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 →
📊
213,549
Internal Medicine Providers in the US

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People Also Ask

What is Gregory Lam's NPI number?
Gregory Lam's NPI number is 1255319760, a unique 10-digit identifier issued by the Centers for Medicare & Medicaid Services (CMS).
Is Gregory Lam's NPI currently active?
Yes, Gregory Lam's NPI status is Active as of the latest CMS NPPES database updates.
What does Gregory Lam specialize in?
Gregory Lam specializes in Internal Medicine. The healthcare taxonomy code associated with this specialty is 207R00000X.
Where does Gregory Lam practice?
Gregory Lam practices in Circleville, OH 43113-1447.
When was Gregory Lam's NPI issued?
Gregory Lam's NPI was issued on January 4, 2006.
What is Gregory Lam's provider type?
Gregory Lam is registered as an Individual Provider under CMS NPI Type 1.