Individual Healthcare Provider
Richard John Chang, M.D.
Provider's NPPES record last updated: February 16, 2021
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1043639180
- Primary Specialty
- Family Medicine
- Practice Location
- Beltsville, 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 20, 2026, 9:22 PM 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
Family Medicine
Allopathic & Osteopathic Physicians
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Taxonomy code 207Q00000X Family Medicine
Sleep Medicine
Allopathic & Osteopathic Physicians
A Family Medicine Physician who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Taxonomy code 207QS1201X
Provider-Reported License Information
- Family Medicine (Maryland)
- D0083302
- Family Medicine (Virginia)
- 0101268308
Practice Locations
Practice Location
10424 Baltimore Ave
Beltsville, Maryland 20705-2321
Phone: (240) 542-5987
Additional Practice Location
29 S Paca St
Baltimore, Maryland 21201-1771
Phone: (410) 328-5012
Fax: (410) 328-0639
Additional Practice Location
6000 Westchester Park Dr Apt 202
College Park, Maryland 20740-2820
Phone: (914) 527-0663
Additional Practice Location
500 W Annandale Rd
Falls Church, Virginia 22046-4205
Phone: (703) 521-6662
Record Information
- Enumeration Date
- April 15, 2014
- Provider's NPPES Record Last Updated
- February 16, 2021
- Certification Date
- February 16, 2021
- NPISignal NPPES Dataset
- August 2026
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