NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225010267
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 219 S Washington St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Yara Abdelaal, DOPediatrics Physician1114591682
  2. Kirubel AdafreInternal Medicine Physician1700381852
  3. Subarna Adhikari, M.D.Emergency Medicine Physician1780207498
  4. Erin Allan, MA, CCC-SLPSpeech-Language Pathologist1801054929
  5. Christine Allen, RD, LDRegistered Dietitian1164482238
  6. Abul Arifuddowla, MDHospitalist Physician1851559611

Verify Ona M. Kareiva in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0058323
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. 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.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. David Brandon, MDEaston, MD 216011922137942
  2. Manjit Chowdhary, M.DEaston, MD 216011538176250
  3. Y. Ding, M.D.Easton, MD 216011538141510
  4. Mark Downey, MDEaston, MD 216011013907450
  5. Bradley Kleinert, D.O.Easton, MD 216011619137890
  6. Stephen Lemke, DOEaston, MD 216011114245354
  7. Kathryn Meyer, M.D.Easton, MD 216011124000153
  8. 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.