Mark Graber, MD

ActiveIndividual ProviderNephrology
NPI issued: February 17, 2006

Quick Facts

NPI Number
1568437218
TypeIndividual
StatusActive
SpecialtyNephrology
Taxonomy207RN0300X — Nephrology
Phone
(631) 261-4400
StateNY

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1568437218)
✅Active status confirmed
✅Verified by CMS NPPES Registry
✅HIPAA compliant identifier
✅Enumeration date on file (February 17, 2006)
Data source: CMS NPPES

Provider Overview

MARK GRABER, MD is a Nephrology provider based in Northport, NY who has been registered with CMS since 2006. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1568437218
Provider TypeIndividual Provider
GenderMale
CredentialMD
StatusActive
Enumeration DateFebruary 17, 2006

Practice Location

CityNorthport
StateNY
ZIP Code11768
Phone(631) 261-4400

Specialties & Licenses

★ Primary
SpecialtyNephrology
Taxonomy Code207RN0300X
License StateNY

Mailing Address

CityNorthport
StateNY
ZIP Code11768
Phone(631) 261-4400
Same as practice location

How to Use This NPI

📋

For Insurance Billing

Use NPI 1568437218 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.

🏥

For Credentialing

Reference NPI 1568437218for 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 1568437218 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 Nephrology

Specialists in Nephrology 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 Nephrologyproviders →
📊
14,229
Nephrology Providers in the US

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People Also Ask

What is Mark Graber's NPI number?
Mark Graber's NPI number is 1568437218, a unique 10-digit identifier issued by the Centers for Medicare & Medicaid Services (CMS).
Is Mark Graber's NPI currently active?
Yes, Mark Graber's NPI status is Active as of the latest CMS NPPES database updates.
What does Mark Graber specialize in?
Mark Graber specializes in Nephrology. The healthcare taxonomy code associated with this specialty is 207RN0300X.
Where does Mark Graber practice?
Mark Graber practices in Northport, NY 11768.
When was Mark Graber's NPI issued?
Mark Graber's NPI was issued on February 17, 2006.
What is Mark Graber's provider type?
Mark Graber is registered as an Individual Provider under CMS NPI Type 1.