Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Michelle Patch, APRN-CNS

Adult Health Clinical Nurse Specialist in Baltimore, MD · enumerated 2020.

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

National Provider Identifier

1336775121

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Registry record

Entity type Individual (Type 1)

Name Dr. Michelle Patch

Credential APRN-CNS

Sex Female

Practice address 525 N Wolfe St, Baltimore, MD, 21205

Phone (443) 287-4581

Enumeration date Mar 12, 2020

Last updated in NPPES Mar 12, 2020

Taxonomy & licenses

364SA2200X Adult Health Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License CS00003 (MD) Primary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1336775121 active?

Yes, as of the latest NPPES snapshot, NPI 1336775121 is active (record last updated 2020-03-12).

How do I verify Michelle Patch's NPI record?

Cross-check NPI 1336775121 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 2020-03-12.