Ewere O. Osian-Dugan, M.D.
Psychiatry Physician · Baltimore, MD
Ewere O. Osian-Dugan, M.D. is a psychiatry physician with a practice address in Baltimore, Maryland, and NPI 1639494057, issued on Mar 29, 2010. Check the license (Maryland D77981, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Ewere O. Osian-Dugan
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- D77981 MD
Self-reported in NPPES; status is on the state search - Practice location
- 725 Fallsway, Baltimore, MD 21202
- Phone
- (667) 600-3429
- Enumerated
- Mar 29, 2010
- Record last updated
- Sep 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (667) 600-4092
- Medicaid ID
- 741505200 MD
- Medicare enrollment
- Enrolled (PECOS I20181112001499); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Also registered at 725 Fallsway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew McNeelyMental Health Counselor1245166859
- Joan OduyoyeMental Health Counselor1659221620
- Erin OhrenschallClinical Social Worker1881329860
- Bonnie Pfeffer, LMSWClinical Social Worker1396609566
- Catherine Webbert, LMSWSocial Worker1851943385
- Janel WilliamsClinical Social Worker1336003516
Verify Ewere O. Osian-Dugan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D77981Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average psychiatry physician in 2024
506 Medicare Part D claims for 19 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Sertraline Hcl64 claims
- Buspirone Hcl43 claims
- Quetiapine Fumarate41 claims
- Venlafaxine Hcl Er35 claims
- Mirtazapine30 claims
- Buprenorphine-Naloxone27 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 2 group practices
- Associated Catholic Charities IncBaltimore, MD
- Baltimore Crisis Response,incBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ewere O. Osian-Dugan among 1,451 psychiatry physician records in Maryland
Ewere O. Osian-Dugan, M.D. is one of 1,451 psychiatry physician records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 69% of them.
- NPI issued2010 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 36% of these records are
- Graduated2010 · median 2000 among the 525 with a school on file
- Record last updated2018 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
497 psychiatry physician records list a practice address in Baltimore
They are 497 of the 35,183 NPPES records with a practice address in Baltimore, and 1,451 psychiatry physician records in Maryland.
All 1,451 in Maryland → Every provider in Baltimore → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Frederick Berlin, M.D., PH.D.Baltimore, MD 212021972596773
- Lauren Evans, M.D.Baltimore, MD 212021467993634
- Sarah Gillman, M.D.Baltimore, MD 212021043534522
- Allan Gold, M.D.Baltimore, MD 212021265554323
- Annette Hanson, MDBaltimore, MD 212021497969497
- Helen Huarca, MDBaltimore, MD 212021700918265
- Meredith Johnston, MDBaltimore, MD 212021306975792
- Ronald Means, MDBaltimore, MD 212021104988393
Common questions
What is Ewere O. Osian-Dugan, M.D.'s NPI number?
Ewere O. Osian-Dugan, M.D.'s National Provider Identifier (NPI) is 1639494057, issued on Mar 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ewere O. Osian-Dugan, M.D. located?
The NPPES record lists a practice address at 725 Fallsway, Baltimore, MD, 21202. Phone: (667) 600-3429. Providers update this record themselves, so call before visiting.
How can I verify Ewere O. Osian-Dugan, M.D.'s license?
NPPES lists Maryland license number D77981, 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 Ewere O. Osian-Dugan, M.D. prescribe under Medicare Part D?
In 2024, Ewere O. Osian-Dugan, M.D. had 506 Medicare Part D claims for 19 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.