Dr Ona M Kareiva, MD - Medicare Anesthesiology in Easton, MD

Dr Ona M Kareiva, MD is a medicare enrolled "Anesthesiology" physician in Easton, Maryland. She graduated from medical school in 1996 and has 28 years of diverse experience with area of expertise as Anesthesiology. She is a member of the group practice Ias Arizona Pllc and her current practice location is 219 S Washington St, Easton, Maryland. You can reach out to her office (for appointments etc.) via phone at (410) 822-1000.

Dr Ona M Kareiva is licensed to practice in Maryland (license number D0058323) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1225010267.

Contact Information

Dr Ona M Kareiva, MD
219 S Washington St,
Easton, MD 21601-2913
(410) 822-1000
(410) 819-0712

Map and Direction




Physician's Profile

Full NameDr Ona M Kareiva
GenderFemale
SpecialityAnesthesiology
Experience28 Years
Location219 S Washington St, Easton, Maryland
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Ona M Kareiva graduated from medical school in 1996
  NPI Data:
  • NPI Number: 1225010267
  • Provider Enumeration Date: 11/16/2005
  • Last Update Date: 02/04/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 2668502139
  • Enrollment ID: I20201119002056

Medical Identifiers

Medical identifiers for Dr Ona M Kareiva such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225010267NPI-NPPES
050084929OtherMDRAILROAD MEDICARE PTAN
699479200MedicaidMD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology D0058323 (Maryland)Primary
207L00000XAnesthesiology 26490 (Arizona)Secondary
207L00000XAnesthesiology A71254 (California)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ias Arizona Pllc7517312648137

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Ona M Kareiva allows following entities to bill medicare on her behalf.
Entity NameFoothills Anesthesiology Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063508315
PECOS PAC ID: 5294729059
Enrollment ID: O20040413001710
Entity NameCamelback Anesthesia Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831560176
PECOS PAC ID: 0143205419
Enrollment ID: O20151211001207
Entity NameIas Arizona Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689359747
PECOS PAC ID: 7517312648
Enrollment ID: O20231010003129

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Ona M Kareiva is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Ona M Kareiva, MD
Po Box 824639,
Philadelphia, PA 19182-4639

Ph: (888) 709-3107
Dr Ona M Kareiva, MD
219 S Washington St,
Easton, MD 21601-2913

Ph: (410) 822-1000

Reviews and Comments


Anesthesiology Doctors in Easton, MD

Dr. Mark P Downey, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 219 S Washington St, Easton, MD 21601
Phone: 410-822-1000    
Stephen B Lemke, DO
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 219 S Washington St, Easton, MD 21601
Phone: 410-822-1000    Fax: 410-819-0712
Dr. Kathryn J. Meyer, M.D.
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 219 S Washington St, Easton, MD 21601
Phone: 410-822-1000    Fax: 410-819-0712
Kevin John Nebab, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 219 S Washington St, Easton, MD 21601
Phone: 410-822-1000    Fax: 410-819-0712
Dr. John Snell, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 219 S Washington St, Easton, MD 21601
Phone: 410-822-1000    
Dr. Robert Middleton, M.D.
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 219 S Washington St, Easton, MD 21601
Phone: 410-822-1000    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.