Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joseph Twanmoh, MD

Emergency Medicine Physician in Baltimore, MD · enumerated 2006.

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

National Provider Identifier

1396784336

Verified

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Registry record

Entity type Individual (Type 1)

Name Joseph Twanmoh

Credential MD

Sex Male

Practice address 900 S. Caton Ave., St. Agnes Hospital, Baltimore, MD, 21229

Phone (410) 368-2012

Enumeration date Jun 5, 2006

Last updated in NPPES Feb 17, 2022

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License MD448245 (PA) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License D0046505 (MD) 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
60050001	Other	MD	DC BLUE CROSS
60059303	Other	MD	BLUE CROSS
20047170	Other	MD	AMERIHEALTH MERCY HEALTH
338041600	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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Joseph Twanmoh?

The National Provider Identifier (NPI) for Joseph Twanmoh is 1396784336, a Type 1 (individual) record in the CMS NPPES registry.

Where does Joseph Twanmoh practice?

The practice location on file with NPPES is in Baltimore, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-02-17.