Kathryn Rubio Rigonan, MD - Medicare Internal Medicine in Fountain Valley, CA

Kathryn Rubio Rigonan, MD is a medicare enrolled "Internal Medicine" physician in Fountain Valley, California. She graduated from medical school in 1975 and has 49 years of diverse experience with area of expertise as Internal Medicine. Her current practice location is 11100 Warner Ave, Suite 154, Fountain Valley, California. You can reach out to her office (for appointments etc.) via phone at (714) 754-0100.

Kathryn Rubio Rigonan is licensed to practice in California (license number A51220) 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 1336234210.

Contact Information

Kathryn Rubio Rigonan, MD
11100 Warner Ave, Suite 154,
Fountain Valley, CA 92708
(714) 754-0100
(714) 754-6806

Map and Direction




Physician's Profile

Full NameKathryn Rubio Rigonan
GenderFemale
SpecialityInternal Medicine
Experience49 Years
Location11100 Warner Ave, Fountain Valley, 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:
  • Kathryn Rubio Rigonan graduated from medical school in 1975
  NPI Data:
  • NPI Number: 1336234210
  • Provider Enumeration Date: 10/04/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 7416087861
  • Enrollment ID: I20100610000654

Medical Identifiers

Medical identifiers for Kathryn Rubio Rigonan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1336234210NPI-NPPES
00A512200OtherCABCBS
00512200MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A51220 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hoag Memorial Hospital PresbyterianNewport beach, CAHospital

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. Kathryn Rubio Rigonan allows following entities to bill medicare on her behalf.
Entity NameKathryn Rigonan M D Inc A Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356581847
PECOS PAC ID: 6204965569
Enrollment ID: O20100525000300

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. Kathryn Rubio Rigonan 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
Kathryn Rubio Rigonan, MD
11100 Warner Ave, Suite 154,
Fountain Valley, CA 92708

Ph: (714) 754-0100
Kathryn Rubio Rigonan, MD
11100 Warner Ave, Suite 154,
Fountain Valley, CA 92708

Ph: (714) 754-0100

Reviews and Comments


Internal Medicine Doctors in Fountain Valley, CA

Dr. Kristine Suzanne Olson Arthur, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 11420 Warner Ave, Fountain Valley, CA 92708
Phone: 714-549-1300    Fax: 714-433-3100
Dr. Sajeet Singh Sawhney, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 11100 Warner Ave, Suite 218, Fountain Valley, CA 92708
Phone: 714-641-9696    Fax: 714-641-9696
Dr. Jennifer L Wong, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 18111 Brookhurst St Ste 5100, Fountain Valley, CA 92708
Phone: 714-546-2238    Fax: 714-434-8145
Dr. Sithu Lin, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 11100 Warner Ave Ste 218, Fountain Valley, CA 92708
Phone: 714-641-9696    
Kien-an Duong, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 11420 Warner Ave, Fountain Valley, CA 92708
Phone: 714-549-1300    Fax: 714-433-3100
Mr. Satinder Swaroop, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 11180 Warner Ave, Suite #353, Fountain Valley, CA 92708
Phone: 714-751-3540    Fax: 714-751-5626
Yu-ming Ni, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 18111 Brookhurst St Ste 5100, Fountain Valley, CA 92708
Phone: 714-546-2238    

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.