Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Brian Christopher Flatter
Physician Assistant in Olney, MD · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1871238576
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Registry record
Entity type Individual (Type 1)
Name Brian Christopher Flatter
Sex Male
Practice address 18109 Prince Philip Dr, Olney, MD, 20832
Phone (301) 774-8978
Enumeration date Apr 28, 2022
Last updated in NPPES Jun 8, 2022
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 1198479 (MD) Primary
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.
Frequently asked questions
What is the NPI number for Brian Flatter?
The National Provider Identifier (NPI) for Brian Flatter is 1871238576, a Type 1 (individual) record in the CMS NPPES registry.
Where does Brian Flatter practice?
The practice location on file with NPPES is in Olney, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Edward Taubman Internal Medicine Physician · Olney, MD NPI 1407859085 Robert Fields Internal Medicine Physician · Olney, MD NPI 1578563292 Jane Daly Oral and Maxillofacial Surgery (Dentist) · Olney, MD NPI 1245215193 John Mennitt Oral and Maxillofacial Surgery (Dentist) · Olney, MD NPI 1316922263 Jonathan Klontz Pediatrics Physician · Olney, MD NPI 1730150418 Elaine Lee Pediatrics Physician · Olney, MD NPI 1720059595 Cheryl Dias Pediatrics Physician · Olney, MD NPI 1346211042 Steven Shimoura Otolaryngology Physician · Olney, MD NPI 1457314981
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-08.