Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ellen C Morrissey, MD

Nephrology Physician in Berkeley, CA · enumerated 2006.

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

National Provider Identifier

1003913781

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Registry record

Entity type Individual (Type 1)

Name Dr. Ellen C Morrissey

Credential MD

Sex Female

Practice address 2905 Telegraph Ave, Berkeley, CA, 94705

Phone (510) 841-0411

Fax (510) 845-5030

Enumeration date Sep 17, 2006

Last updated in NPPES Jul 9, 2007

Taxonomy & licenses

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License G55797 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
00G557970	Medicaid	CA	-

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 1003913781 active?

Yes, as of the latest NPPES snapshot, NPI 1003913781 is active (record last updated 2007-07-09).

How do I verify Ellen Morrissey's NPI record?

Cross-check NPI 1003913781 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 2007-07-09.