Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Martha Graf

Specialist in Baltimore, MD · enumerated 2018 · practices at The Maryland School for the Blind.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1225536337

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Registry record

Entity type Individual (Type 1)

Name Martha Graf

Sex Female

Practice address 3501 Taylor Ave, Baltimore, MD, 21236

Phone (410) 444-5000

Enumeration date Jan 24, 2018

Last updated in NPPES Jan 24, 2018

Taxonomy & licenses

174400000X Specialist Other Service Providers Primary

Other identifiers

Identifier	Type	State	Issuer
000203470	Other	-	THE MARYLAND SCHOOL FOR THE BLIND

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Is NPI 1225536337 active?

Yes, as of the latest NPPES snapshot, NPI 1225536337 is active (record last updated 2018-01-24).

How do I verify Martha Graf's NPI record?

Cross-check NPI 1225536337 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-01-24.