Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joann E Warrick, M.D.

Colon & Rectal Surgery Physician in Baltimore, MD · enumerated 2008.

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

National Provider Identifier

1922254002

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Registry record

Entity type Individual (Type 1)

Name Joann E Warrick

Credential M.D.

Sex Female

Practice address 4940 Eastern Ave Ste P3-411, Baltimore, MD, 21224

Phone (410) 550-0886

Fax (410) 550-8161

Enumeration date Aug 8, 2008

Last updated in NPPES Jan 28, 2026

Taxonomy & licenses

208C00000X Colon & Rectal Surgery Physician Allopathic & Osteopathic Physicians · License D87665 (MD) Primary

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License D0087665 (MD) Secondary

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
D87665	Other	MD	STATE LICENSE

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

What specialty is Joann Warrick?

Joann Warrick is registered in NPPES with the primary taxonomy of Colon & Rectal Surgery Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-28.