Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Colleen B Balkam, M.D.

Orthopaedic Surgery Physician in Leonardtown, MD · enumerated 2017.

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

National Provider Identifier

1437685492

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Registry record

Entity type Individual (Type 1)

Name Dr. Colleen B Balkam

Credential M.D.

Sex Female

Practice address 23000 Moakley St Ste 102, Leonardtown, MD, 20650

Phone (301) 475-5555

Fax (301) 475-5914

Enumeration date May 11, 2017

Last updated in NPPES Apr 12, 2023

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 0101275178 (VA) Secondary

207XS0114X Adult Reconstructive Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License D0094327 (MD) Secondary

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License D0094327 (MD) Primary

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

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 Colleen Balkam?

The National Provider Identifier (NPI) for Colleen Balkam is 1437685492, a Type 1 (individual) record in the CMS NPPES registry.

Where does Colleen Balkam practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-04-12.