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Derek Ballas, D.O.

Obstetrics & Gynecology Physician in Annapolis, MD · enumerated 2012.

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

National Provider Identifier

1164789780

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Registry record

Entity type Individual (Type 1)
Name Derek Ballas
Credential D.O.
Sex Male
Practice address 2000 Medical Pkwy Ste 309, Annapolis, MD, 21401
Phone (410) 224-1133
Fax (410) 266-1639
Enumeration date Apr 19, 2012
Last updated in NPPES Dec 31, 2024

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License H91155 (MD) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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.

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Frequently asked questions

What is the NPI number for Derek Ballas?
The National Provider Identifier (NPI) for Derek Ballas is 1164789780, a Type 1 (individual) record in the CMS NPPES registry.
Where does Derek Ballas practice?
The practice location on file with NPPES is in Annapolis, 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 2024-12-31.