Individual Healthcare Provider
Derek Ballas, D.O.
Provider's NPPES record last updated: December 31, 2024
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1164789780
- Primary Specialty
- Obstetrics & Gynecology
- Practice Location
- Annapolis, Maryland
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 19, 2026, 12:08 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Obstetrics & Gynecology
Allopathic & Osteopathic Physicians
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Taxonomy code 207V00000X Student in an Organized Health Care Education/Training Program
Student, Health Care
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Taxonomy code 390200000X
Provider-Reported License Information
- Obstetrics & Gynecology (Maryland)
- H91155
Practice Locations
Practice Location
2000 Medical Pkwy Ste 309
Annapolis, Maryland 21401-3745
Phone: (410) 224-1133
Additional Practice Location
202 Coursevall Dr
Centreville, Maryland 21617-2804
Phone: (410) 810-0767
Additional Practice Location
4175 N Hanson Ct Ste 203
Bowie, Maryland 20716-3183
Phone: (410) 224-4442
Additional Practice Location
2003 Medical Pkwy Ste 350
Annapolis, Maryland 21401-3081
Phone: (443) 951-4286
Fax: (443) 949-7380
Additional Practice Location
7501 Greenway Center Dr Ste 910
Greenbelt, Maryland 20770-3514
Phone: (301) 982-0657
Fax: (240) 956-5166
Record Information
- Enumeration Date
- April 19, 2012
- Provider's NPPES Record Last Updated
- December 31, 2024
- Certification Date
- December 31, 2024
- NPISignal NPPES Dataset
- August 2026
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