Joseph Twanmoh, MD
Emergency Medicine Physician · Baltimore, MD
Joseph Twanmoh, MD is an emergency medicine physician with a practice address in Baltimore, Maryland, and NPI 1396784336, issued on Jun 5, 2006. Check the license (Maryland D0046505, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Joseph Twanmoh
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- D0046505 MD
MD448245 PA
Self-reported in NPPES; status is on the state search - Practice location
- 900 S. Caton Ave., Baltimore, MD 21229
- Phone
- (410) 368-2012
- Enumerated
- Jun 5, 2006
- Record last updated
- Feb 17, 2022
- Medicaid ID
- 338041600 MD
- Medicare enrollment
- Enrolled (PECOS I20131105000503); accepts Medicare assignment
- Medical or professional school
- Rutgers, Robert Woood Johnson Medical School, 1983
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →
Verify Joseph Twanmoh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0046505Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average emergency medicine physician in 2024
172 Medicare Part D claims for 118 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Prednisone15 claims
- Azithromycin11 claims
- Methylprednisolone11 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
- Davis Memorial HospitalElkins, WV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Twanmoh among 1,190 emergency medicine physician records in Maryland
Joseph Twanmoh, MD is one of 1,190 emergency medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated1983 · median 2010 among the 571 with a school on file
- Record last updated2022 · 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 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
505 emergency medicine physician records list a practice address in Baltimore
They are 505 of the 35,183 NPPES records with a practice address in Baltimore, and 1,190 emergency medicine physician records in Maryland.
All 1,190 in Maryland → Every provider in Baltimore → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Scott Bergeson, MDBaltimore, MD 212291639110315
- Maria Brown, MDBaltimore, MD 212291154362846
- Charles Curtis, MDBaltimore, MD 212291912948605
- Lesley Dada, MDBaltimore, MD 212291053358804
- Jon Falck, MDBaltimore, MD 212291114969193
- Dominique Foulkes, MDBaltimore, MD 212291912944463
- M Frydenborg, MDBaltimore, MD 212291407893860
- Lisa Gesualdo, MDBaltimore, MD 212291346287844
Common questions
What is Joseph Twanmoh, MD's NPI number?
Joseph Twanmoh, MD's National Provider Identifier (NPI) is 1396784336, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Twanmoh, MD located?
The NPPES record lists a practice address at 900 S. Caton Ave., Baltimore, MD, 21229. Phone: (410) 368-2012. Providers update this record themselves, so call before visiting.
How can I verify Joseph Twanmoh, MD's license?
NPPES lists Maryland license number D0046505, 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 Joseph Twanmoh, MD prescribe under Medicare Part D?
In 2024, Joseph Twanmoh, MD had 172 Medicare Part D claims for 118 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.