Dr Sheila Marie Adaya Adan, DO - Medicare Family Practice in Ontario, CA

Dr Sheila Marie Adaya Adan, DO is a medicare enrolled "Family Medicine" physician in Ontario, California. She went to College Of Osteo Med Of The Pacific At Pomona and graduated in 2010 and has 14 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 2295 S Vineyard Ave, Ontario, California. You can reach out to her office (for appointments etc.) via phone at (909) 724-5000.

Dr Sheila Marie Adaya Adan is licensed to practice in California (license number 20A12266) 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 1912272733.

Contact Information

Dr Sheila Marie Adaya Adan, DO
2295 S Vineyard Ave,
Ontario, CA 91761-7925
(909) 724-5000
(909) 724-2526

Map and Direction




Physician's Profile

Full NameDr Sheila Marie Adaya Adan
GenderFemale
SpecialityFamily Practice
Experience14 Years
Location2295 S Vineyard Ave, Ontario, 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:
  • Dr Sheila Marie Adaya Adan attended and graduated from College Of Osteo Med Of The Pacific At Pomona in 2010
  NPI Data:
  • NPI Number: 1912272733
  • Provider Enumeration Date: 03/12/2012
  • Last Update Date: 12/23/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9234374547
  • Enrollment ID: I20130314000110

Medical Identifiers

Medical identifiers for Dr Sheila Marie Adaya Adan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1912272733NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 20A12266 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Southern California Permanente Medical Group60027291758172

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 Sheila Marie Adaya Adan allows following entities to bill medicare on her behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316979834
PECOS PAC ID: 6002729175
Enrollment ID: O20040126000823

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 Sheila Marie Adaya Adan 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 Sheila Marie Adaya Adan, DO
2295 S Vineyard Ave,
Ontario, CA 91761-7925

Ph: (909) 724-5000
Dr Sheila Marie Adaya Adan, DO
2295 S Vineyard Ave,
Ontario, CA 91761-7925

Ph: (909) 724-5000

Reviews and Comments


Family Medicine Doctors in Ontario, CA

Andrelee G. Taganas, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2295 S Vineyard Ave Ste A, Ontario, CA 91761
Phone: 909-427-7132    
William Craig Paley, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 437 N Euclid Ave, Ontario, CA 91762
Phone: 909-988-2555    Fax: 909-988-4447
Dr. Luis A Lomeli, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 527 N Palm Ave, Suite 101, Ontario, CA 91762
Phone: 909-983-6622    
Hemalatha Murugan,
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1131 W 6th St Ste 150, Ontario, CA 91762
Phone: 909-482-4462    
Ruth Chambi - Hernandez, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1871 E 4th St, Ontario, CA 91764
Phone: 909-297-3337    Fax: 909-532-8171
Dr. Vache Chakmakian, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 437 N Euclid Ave, Ontario, CA 91762
Phone: 909-988-2555    
Naila Mubashar, M.D
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 437 N Euclid Ave, Ontario, CA 91762
Phone: 909-988-2555    

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).

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