Teresa Ann Oneill, NP - Medicare Nurse Practitioner in Santa Maria, CA

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Teresa Ann Oneill, NP is a medicare enrolled "Nurse Practitioner" in Santa Maria, California. She graduated from nursing school in 2018 and has 6 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Pacific Central Coast Health Centers and her current practice location is 361 Town Ctr W Ste 101, Santa Maria, California. You can reach out to her office (for appointments etc.) via phone at (805) 922-6581.

Teresa Ann Oneill is licensed to practice in California (license number 223872881) 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 1144887530.

Contact Information

Teresa Ann Oneill, NP
361 Town Ctr W Ste 101,
Santa Maria, CA 93458-5076
(805) 922-6581
(805) 332-3900

Map and Direction




Provider's Profile

Full NameTeresa Ann Oneill
GenderFemale
SpecialityNurse Practitioner
Experience6 Years
Location361 Town Ctr W Ste 101, Santa Maria, 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:
  • Teresa Ann Oneill graduated from nursing school in 2018
  NPI Data:
  • NPI Number: 1144887530
  • Provider Enumeration Date: 05/21/2019
  • Last Update Date: 11/20/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 0143551473
  • Enrollment ID: I20191017000319

Medical Identifiers

Medical identifiers for Teresa Ann Oneill such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144887530NPI-NPPES
1386971687MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner 95011673 (California)Secondary
363L00000XNurse Practitioner 223872881 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Marian Regional Medical CenterSanta maria, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Pacific Central Coast Health Centers9739091364213

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. Teresa Ann Oneill allows following entities to bill medicare on her behalf.
Entity NamePacific Central Coast Health Centers
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063496651
PECOS PAC ID: 9739091364
Enrollment ID: O20031103000443
Entity NameCalifornia Managed Imaging Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821271727
PECOS PAC ID: 9436229887
Enrollment ID: O20080528000575
Entity NameSanta Maria Gastroenterology Medical Group Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386971687
PECOS PAC ID: 6709070964
Enrollment ID: O20101101001401

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. Teresa Ann Oneill 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
Teresa Ann Oneill, NP
361 Town Ctr W Ste 101,
Santa Maria, CA 93458-5076

Ph: (805) 922-6581		Teresa Ann Oneill, NP
361 Town Ctr W Ste 101,
Santa Maria, CA 93458-5076

Ph: (805) 922-6581

Reviews and Comments


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Ms. Sandra Mary Loehner, FNP
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Mr. Justin Mora, FNP
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Beaulah P Jay,
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Phone: 805-478-8237    

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.