Brian Christopher Flatter
Physician Assistant · Olney, MD
Brian Christopher Flatter is a physician assistant with a practice address in Olney, Maryland, and NPI 1871238576, issued on Apr 28, 2022. Check the license (Maryland 1198479, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brian Christopher Flatter
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 1198479 MD
Self-reported in NPPES; status is on the state search - Practice location
- 18109 Prince Philip Dr, Olney, MD 20832
- Phone
- (301) 774-8978
- Enumerated
- Apr 28, 2022
- Record last updated
- Jun 8, 2022
- Medicare enrollment
- Enrolled (PECOS I20220818000685); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,224 in Maryland → Look up another NPI →
Also registered at 18109 Prince Philip Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Samer Charbel, M.D.Gastroenterology Physician1144499468
- Shawn Chong, PA-CSurgical Physician Assistant1023461951
Verify Brian Christopher Flatter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 1198479Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average physician assistant in 2024
163 Medicare Part D claims for 96 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 56 claims were for opioids.
Most prescribed
- Oxycodone Hcl38 claims
- Meloxicam21 claims
- Celecoxib16 claims
- Tramadol Hcl13 claims
- Amoxicillin12 claims
- Methocarbamol12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Medstar Medical Group II LLCWashington, DC
- Mgmc LLCOlney, MD
- Suburban/nrh Medical Rehabilitation IncBethesda, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Christopher Flatter among 3,224 physician assistant records in Maryland
Brian Christopher Flatter is one of 3,224 physician assistant records with a practice address in Maryland. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 76% of them.
- NPI issued2022 · 76% of these records are older, 19% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2022 · median 2017 among the 1,974 with a school on file
- Record last updated2022 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 physician assistant records list a practice address in Olney
They are 19 of the 742 NPPES records with a practice address in Olney, and 3,224 physician assistant records in Maryland.
All 3,224 in Maryland → Every provider in Olney → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Eliana Assimakopoulos, PACOlney, MD 208321699734384
- Aryn Bereznay, PA-COlney, MD 208321376721563
- Paul Burke, PA-COlney, MD 208321053388132
- Alexander Bury, PAOlney, MD 208321356611529
- Samantha Coburn, PA-COlney, MD 208321568061281
- Rachel GonzalezOlney, MD 208321821712159
- Darrell Kontz, PAOlney, MD 208321275692113
- Merate Legesse, PAOlney, MD 208321881635787
Common questions
What is Brian Christopher Flatter's NPI number?
Brian Christopher Flatter's National Provider Identifier (NPI) is 1871238576, issued on Apr 28, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Brian Christopher Flatter located?
The NPPES record lists a practice address at 18109 Prince Philip Dr, Olney, MD, 20832. Phone: (301) 774-8978. Providers update this record themselves, so call before visiting.
How can I verify Brian Christopher Flatter's license?
NPPES lists Maryland license number 1198479, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Brian Christopher Flatter prescribe under Medicare Part D?
In 2024, Brian Christopher Flatter had 163 Medicare Part D claims for 96 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Brian Christopher Flatter's MIPS final score?
The 2023 MIPS final score is 76.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.