Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Annapolis Nephrology Associates

Nephrology Physician in Annapolis, MD · enumerated 2019 · authorized official Patricia Patterson, Office Manager.

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

National Provider Identifier

1356982599

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Registry record

Entity type Organization (Type 2)

Legal business name Annapolis Nephrology Associates

Practice address 104 Forbes St Ste 102, Annapolis, MD, 21401

Phone (410) 571-8333

Fax (410) 571-8338

Enumeration date Sep 30, 2019

Last updated in NPPES Sep 30, 2019

Taxonomy & classification

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Patricia Patterson

Title Office Manager

Phone (410) 571-8333

Other identifiers

Identifier	Type	State	Issuer
3220801100	Medicaid	MD	—

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

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2019-09-30. Verify at npiregistry.cms.hhs.gov.

Where is Annapolis Nephrology Associates located?

The practice location on file with NPPES is in Annapolis, MD.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-09-30.