Catherine Y Han, MD - Medicare Obstetrics/gynecology in Irvine, CA

Catherine Y Han, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Irvine, California. She went to Js Weill Medical College, Cornell University and graduated in 1996 and has 30 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice Hoag Clinic and her current practice location is 16305 Sand Canyon Ave Ste 275, Irvine, California. You can reach out to her office (for appointments etc.) via phone at (949) 829-5533.

Catherine Y Han is licensed to practice in California (license number A64536) 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 1023076221.

Contact Information

Catherine Y Han, MD
16305 Sand Canyon Ave Ste 275,
Irvine, CA 92618-3791
(949) 829-5533
Not Available

Map and Direction




Physician's Profile

Full NameCatherine Y Han
GenderFemale
SpecialityObstetrics/gynecology
Experience30 Years
Location16305 Sand Canyon Ave Ste 275, Irvine, 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:
  • Catherine Y Han attended and graduated from Js Weill Medical College, Cornell University in 1996
  NPI Data:
  • NPI Number: 1023076221
  • Provider Enumeration Date: 05/04/2006
  • Last Update Date: 02/02/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 1355319104
  • Enrollment ID: I20110104000163

Medical Identifiers

Medical identifiers for Catherine Y Han such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023076221NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology A64536 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hoag Memorial Hospital PresbyterianNewport beach, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Hoag Clinic3274872064443

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. Catherine Y Han 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
Catherine Y Han, MD
2995 Red Hill Ave Ste 200,
Costa Mesa, CA 92626-5984

Ph: (949) 829-5533
Catherine Y Han, MD
16305 Sand Canyon Ave Ste 275,
Irvine, CA 92618-3791

Ph: (949) 829-5533

Reviews and Comments


Obstetrics & Gynecology Doctors in Irvine, CA

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Noah Rodriguez, MD
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Phone: 949-932-5685    Fax: 949-932-6393

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.