Timothy Joseph O'Leary, MD, PHD
Anatomic Pathology Physician · Chesapeake Beach, MD
Timothy Joseph O'Leary, MD, PHD is an anatomic pathology physician with a practice address in Chesapeake Beach, Maryland, and NPI 1003899873, issued on Nov 24, 2005. Check the license (Maryland D25865, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Timothy Joseph O'Leary
- Credential
- MD, PHD
- Primary taxonomy
- Anatomic Pathology Physician 207ZP0101X
- License numbers
- D25865 MD
D0025865 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4755 Camp Roosevelt Drive, Chesapeake Beach, MD 20732
- Phone
- (240) 460-0271
- Enumerated
- Nov 24, 2005
- Record last updated
- Aug 5, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Verify Timothy Joseph O'Leary in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D25865Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1 anatomic pathology physician records list a practice address in Chesapeake Beach
They are 1 of the 40 NPPES records with a practice address in Chesapeake Beach, and 89 anatomic pathology physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other anatomic pathology physician records in Maryland
- Andrea Abati, M.D.Rockville, MD1043422843
- Jacki Abrams, MDBethesda, MD1154383347
- Borislav Alexiev, MDBaltimore, MD1811031370
- Tehmina Ali, M.D.Beltsville, MD1538198403
- Heather Ames, M.D., PH.D.Baltimore, MD1710220264
- Falone Amoa, MDBaltimore, MD1588241319
- Aaron Auerbach, M.D.Silver Spring, MD1801857404
- Natalie Banet, MDBaltimore, MD1245490119
- Alexander Baras, M.D., PH.D.Baltimore, MD1659662948
- George Bova, M.D.Baltimore, MD1538352018
Common questions
What is Timothy Joseph O'Leary, MD, PHD's NPI number?
Timothy Joseph O'Leary, MD, PHD's National Provider Identifier (NPI) is 1003899873, issued on Nov 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Joseph O'Leary, MD, PHD located?
The NPPES record lists a practice address at 4755 Camp Roosevelt Drive, Chesapeake Beach, MD, 20732. Phone: (240) 460-0271. Providers update this record themselves, so call before visiting.
How can I verify Timothy Joseph O'Leary, MD, PHD's license?
NPPES lists Maryland license number D25865, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.