Dr John Joseph Ondrejka, MD - Medicare Internal Medicine in Mentor, OH

Dr John Joseph Ondrejka, MD is a medicare enrolled "Internal Medicine" physician in Mentor, Ohio. His current practice location is 7956 Tyler Blvd, Mentor, Ohio. You can reach out to his office (for appointments etc.) via phone at (440) 716-1283.

Dr John Joseph Ondrejka is licensed to practice in Ohio (license number 35-055148) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1770543159.

Contact Information

Dr John Joseph Ondrejka, MD
7956 Tyler Blvd,
Mentor, OH 44060-4806
(440) 716-1283
(440) 716-1605

Map and Direction




Physician's Profile

Full NameDr John Joseph Ondrejka
GenderMale
SpecialityInternal Medicine
Location7956 Tyler Blvd, Mentor, Ohio
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1770543159
  • Provider Enumeration Date: 03/28/2006
  • Last Update Date: 02/22/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 4385620889
  • Enrollment ID: I20040625000583

Medical Identifiers

Medical identifiers for Dr John Joseph Ondrejka such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1770543159NPI-NPPES
6600162OtherOHUNITED HEALTHCARE
2073581MedicaidOH
80507OtherOHQUALCHOICE
000000339419OtherOHANTHEM
264200000OtherOHDEPT OF LABOR
341425870042OtherOHMEDICAL MUTUAL OF OHIO
264200000OtherOHFEDERAL BLACK LUNG

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 35-055148 (Ohio)Primary

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 John Joseph Ondrejka allows following entities to bill medicare on his behalf.
Entity NameLake Hospital System, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952339996
PECOS PAC ID: 6002713922
Enrollment ID: O20031217000963

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 John Joseph Ondrejka 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 John Joseph Ondrejka, MD
510 5th Ave,
Chardon, OH 44024-1076

Ph: (440) 286-8908
Dr John Joseph Ondrejka, MD
7956 Tyler Blvd,
Mentor, OH 44060-4806

Ph: (440) 716-1283

Reviews and Comments


Internal Medicine Doctors in Mentor, OH

Dr. Olusegun Ademola Ogunlesi, M.D, M.H.S
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 8587 East Avenue, Mentor, OH 44060
Phone: 440-867-4800    Fax: 866-711-5107
Shermeen Taj Farukhi, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 9485 Mentor Ave Ste 210, Mentor, OH 44060
Phone: 440-205-5836    Fax: 440-205-5735
Dr. Keith Alan Friedenberg, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 8877 Mentor Ave, Mentor, OH 44060
Phone: 440-205-1225    Fax: 440-205-1275
Dr. Aaron E Feldman, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 7200 Mentor Ave, Mentor, OH 44060
Phone: 440-942-5400    Fax: 440-942-9055
Dr. David Alan Bowe, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 7956 Tyler Blvd, Mentor, OH 44060
Phone: 440-255-4455    Fax: 440-255-4487
Dr. Brian Edward Burtch, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 8300 Tyler Blvd, Suite 102, Mentor, OH 44060
Phone: 216-266-5000    
Ahmad Ascha, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 9500 Mentor Ave, Suite 340, Mentor, OH 44060
Phone: 440-352-9400    Fax: 440-352-9407

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.