Eva F. Simmons-O'Brien, M.D.
Dermatology Physician · Towson, MD
Eva F. Simmons-O'Brien, M.D. is a dermatology physician with a practice address in Towson, Maryland, and NPI 1285663542, issued on Jun 30, 2006. Check the license (Maryland D43953, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Eva F. Simmons-O'Brien
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- D43953 MD
Self-reported in NPPES; status is on the state search - Practice location
- 8320 Bellona Ave, Towson, MD 21204
- Phone
- (410) 821-7645
- Enumerated
- Jun 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (410) 821-7576
- Entity
- Type 1 · individual
Also registered at 8320 Bellona Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Darlene Nasuta, O.T.Occupational Therapist1720167547
- Diane Orlinsky, M.D.Dermatology Physician1194771642
- Thomas Ritter, DDSDentist1528130796
Verify Eva F. Simmons-O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D43953Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average dermatology physician in 2024
251 Medicare Part D claims for 110 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
Most prescribed
- Mupirocin49 claims
- Minoxidil43 claims
- Triamcinolone Acetonide19 claims
- Ketoconazole13 claims
- Minocycline Hcl13 claims
- Ciclopirox12 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.
Industry payments in 2024: $1,407.23
45 payments; by number, the most common kind was food and beverage; the largest payer was Hill Dermaceuticals, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Dermatology Physician providers in Maryland
There are 341 dermatology physician records in Maryland.
Other dermatology physician records in Maryland
- Melanie Adams, MDColumbia, MD1265406078
- Crystal Aguh, M.D.Baltimore, MD1063702553
- Adnan AhmedHunt Valley, MD1245817378
- Danso Ako-Adjei, MDGaithersburg, MD1205248853
- Moses Albert, MDChevy Chase, MD1740359017
- Jihad Alhariri, MDBaltimore, MD1659529253
- Elena Allbritton, M.D.Chevy Chase, MD1689866733
- Christine Ambro, MDAnnapolis, MD1124089362
- Lisa Anderson, MDStevensville, MD1134136393
- Regina Anderson, MDBaltimore, MD1164474920
Common questions
What is Eva F. Simmons-O'Brien, M.D.'s NPI number?
Eva F. Simmons-O'Brien, M.D.'s National Provider Identifier (NPI) is 1285663542, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eva F. Simmons-O'Brien, M.D. located?
The NPPES record lists a practice address at 8320 Bellona Ave, Towson, MD, 21204. Phone: (410) 821-7645. Providers update this record themselves, so call before visiting.
How can I verify Eva F. Simmons-O'Brien, M.D.'s license?
NPPES lists Maryland license number D43953, 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 Eva F. Simmons-O'Brien, M.D. prescribe under Medicare Part D?
In 2024, Eva F. Simmons-O'Brien, M.D. had 251 Medicare Part D claims for 110 beneficiaries; the average among dermatology physician prescribers was 797. 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.