Ona M. Kareiva, M.D.
Anesthesiology Physician · Easton, MD
Ona M. Kareiva, M.D. is an anesthesiology physician with a practice address in Easton, Maryland, and NPI 1225010267, issued on Nov 16, 2005. Check the license (Maryland D0058323, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Ona M. Kareiva
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- D0058323 MD
26490 AZ
A71254 CA
Self-reported in NPPES; status is on the state search - Practice location
- 219 S Washington St, Easton, MD 21601
- Phone
- (410) 822-1000
- Enumerated
- Nov 16, 2005
- Record last updated
- Feb 4, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (410) 819-0712
- Medicaid ID
- 699479200 MD
- Medicare enrollment
- Enrolled (PECOS I20201119002056); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,253 in Maryland → Look up another NPI →
Also registered at 219 S Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abul Arifuddowla, MDHospitalist Physician1851559611
Verify Ona M. Kareiva in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0058323Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Foothills Anesthesiology PCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ona M. Kareiva among 1,253 anesthesiology physician records in Maryland
Ona M. Kareiva, M.D. is one of 1,253 anesthesiology physician records with a practice address in Maryland. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1996 · median 2005 among the 813 with a school on file
- Record last updated2013 · 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 207L00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 anesthesiology physician records list a practice address in Easton
They are 14 of the 928 NPPES records with a practice address in Easton, and 1,253 anesthesiology physician records in Maryland.
All 1,253 in Maryland → Every provider in Easton → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- David Brandon, MDEaston, MD 216011922137942
- Manjit Chowdhary, M.DEaston, MD 216011538176250
- Y. Ding, M.D.Easton, MD 216011538141510
- Mark Downey, MDEaston, MD 216011013907450
- Bradley Kleinert, D.O.Easton, MD 216011619137890
- Stephen Lemke, DOEaston, MD 216011114245354
- Kathryn Meyer, M.D.Easton, MD 216011124000153
- Robert Middleton, M.D.Easton, MD 216011326021403
Common questions
What is Ona M. Kareiva, M.D.'s NPI number?
Ona M. Kareiva, M.D.'s National Provider Identifier (NPI) is 1225010267, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ona M. Kareiva, M.D. located?
The NPPES record lists a practice address at 219 S Washington St, Easton, MD, 21601. Phone: (410) 822-1000. Providers update this record themselves, so call before visiting.
How can I verify Ona M. Kareiva, M.D.'s license?
NPPES lists Maryland license number D0058323, 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. 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.