Cathryn Marie O'neill, MD - Medicare Family Practice in Redlands, CA

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Cathryn Marie O'neill, MD is a medicare enrolled "Family Medicine" physician in Redlands, California. She graduated from medical school in 2011 and has 15 years of diverse experience with area of expertise as Family Practice. She is a member of the group practice Southern California Permanente Medical Group and her current practice location is 350 Terracina Blvd, Redlands, California. You can reach out to her office (for appointments etc.) via phone at (909) 335-5500.

Cathryn Marie O'neill is licensed to practice in California (license number A150885) 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 1093071763.

Contact Information

Cathryn Marie O'neill, MD
350 Terracina Blvd,
Redlands, CA 92373-4850
(909) 335-5500
Not Available

Map and Direction




Physician's Profile

Full NameCathryn Marie O'neill
GenderFemale
SpecialityFamily Practice
Experience15 Years
Location350 Terracina Blvd, Redlands, California
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:
  • Cathryn Marie O'neill graduated from medical school in 2011
  NPI Data:
  • NPI Number: 1093071763
  • Provider Enumeration Date: 04/07/2012
  • Last Update Date: 09/26/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2961649876
  • Enrollment ID: I20171219000000

Medical Identifiers

Medical identifiers for Cathryn Marie O'neill such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1093071763NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A150885 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Southern California Permanente Medical Group60027291759038

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. Cathryn Marie O'neill allows following entities to bill medicare on her behalf.
Entity NameBeaver Medical Group P C
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1649503319
PECOS PAC ID: 0547164295
Enrollment ID: O20031124000449
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316979834
PECOS PAC ID: 6002729175
Enrollment ID: O20040126000823
Entity NameSouthern Inyo Healthcare District
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831128602
PECOS PAC ID: 7911816731
Enrollment ID: O20040317000188
Entity NameHospitalist Medicine Physicians Of California Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184663965
PECOS PAC ID: 8426062027
Enrollment ID: O20060202000956
Entity NameInpatient Specialists Of California Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952792475
PECOS PAC ID: 3476864448
Enrollment ID: O20150617000915
Entity NameHospitalist Medicine Physicians Of California - Apple Valley, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1447738075
PECOS PAC ID: 2567715972
Enrollment ID: O20181101002570

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. Cathryn Marie O'neill 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
Cathryn Marie O'neill, MD
Po Box 10069,
San Bernardino, CA 92423-0069

Ph: () -		Cathryn Marie O'neill, MD
350 Terracina Blvd,
Redlands, CA 92373-4850

Ph: (909) 335-5500

Reviews and Comments


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Horst R Rudrich, D.O.
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Practice Location: 255 Terracina Blvd, Ste. 105, Redlands, CA 92373
Phone: 909-793-0323    Fax: 909-793-9173

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.