Catherine A. Twimasi, MD
Family Medicine Physician · Suitland, MD
Catherine A. Twimasi, MD is a family medicine physician with a practice address in Suitland, Maryland, and NPI 1669853222, issued on Jun 9, 2015. Check the license (Maryland D84571, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Catherine A. Twimasi
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- D84571 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5100 Auth Way, Suitland, MD 20746
- Phone
- (301) 702-5000
- Enumerated
- Jun 9, 2015
- Record last updated
- May 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210622003421); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Also registered at 5100 Auth Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catherine A. Twimasi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D84571Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average family medicine physician in 2024
8,747 Medicare Part D claims for 985 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 297 claims were for opioids.
Most prescribed
- Atorvastatin Calcium827 claims
- Amlodipine Besylate528 claims
- Hydrochlorothiazide396 claims
- Lisinopril283 claims
- Losartan Potassium283 claims
- Metformin Hcl245 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncHalethorpe, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine A. Twimasi among 1,912 family medicine physician records in Maryland
Catherine A. Twimasi, MD is one of 1,912 family medicine physician records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 77% of them.
- NPI issued2015 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2014 · median 2004 among the 1,141 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 family medicine physician records list a practice address in Suitland
They are 7 of the 256 NPPES records with a practice address in Suitland, and 1,912 family medicine physician records in Maryland.
All 1,912 in Maryland → Every provider in Suitland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sijuwola Ajinwun, MDCamp Springs, MD 207461629383492
- Nofisat Almaroof, M.D.Suitland, MD 207461437539228
- Ayanna Beard, MDSuitland, MD 207461184636714
- Betty Toloria Braswell, M.D.Suitland, MD 207461992716112
- Shital Desai, MDSuitland, MD 207461295897668
- Shaunna Dolby, FNPCamp Springs, MD 207461861968562
- Ihn Roh, M.D.Suitland, MD 207461558367334
- John Van Dam, MDCamp Springs, MD 207461730108788
Common questions
What is Catherine A. Twimasi, MD's NPI number?
Catherine A. Twimasi, MD's National Provider Identifier (NPI) is 1669853222, issued on Jun 9, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Catherine A. Twimasi, MD located?
The NPPES record lists a practice address at 5100 Auth Way, Suitland, MD, 20746. Phone: (301) 702-5000. Providers update this record themselves, so call before visiting.
How can I verify Catherine A. Twimasi, MD's license?
NPPES lists Maryland license number D84571, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Catherine A. Twimasi, MD prescribe under Medicare Part D?
In 2024, Catherine A. Twimasi, MD had 8,747 Medicare Part D claims for 985 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.