Karen Hsu, MD - Medicare Obstetrics/gynecology in Orange, CA

Karen Hsu, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Orange, California. She graduated from medical school in 2016 and has 8 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice Providence Medical Foundation and her current practice location is 2501 E Chapman Ave Ste 201-202, Orange, California. You can reach out to her office (for appointments etc.) via phone at (714) 282-1892.

Karen Hsu is licensed to practice in California (license number A170534) 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 1659733459.

Contact Information

Karen Hsu, MD
2501 E Chapman Ave Ste 201-202,
Orange, CA 92869-3204
(714) 282-1892
Not Available

Map and Direction




Physician's Profile

Full NameKaren Hsu
GenderFemale
SpecialityObstetrics/gynecology
Experience8 Years
Location2501 E Chapman Ave Ste 201-202, Orange, 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:
  • Karen Hsu graduated from medical school in 2016
  NPI Data:
  • NPI Number: 1659733459
  • Provider Enumeration Date: 03/22/2016
  • Last Update Date: 12/01/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 5597001743
  • Enrollment ID: I20201208002766

Medical Identifiers

Medical identifiers for Karen Hsu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659733459NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology A170534 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Providence Medical Foundation89219932051293

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. Karen Hsu allows following entities to bill medicare on her behalf.
Entity NameProvidence Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285890624
PECOS PAC ID: 8921993205
Enrollment ID: O20040216001346

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. Karen Hsu 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
Karen Hsu, MD
2501 E Chapman Ave Ste 201-202,
Orange, CA 92869-3204

Ph: (714) 282-1892
Karen Hsu, MD
2501 E Chapman Ave Ste 201-202,
Orange, CA 92869-3204

Ph: (714) 282-1892

Reviews and Comments


Obstetrics & Gynecology Doctors in Orange, CA

Dr. Laura Catherine Skoczylas, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Building 56, Department Of Ob/gyn, Orange, CA 92868
Phone: 714-456-8224    Fax: 714-456-8360
Gelareh Renee Nikpour-heravi, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2501 E Chapman Ave Ste 201-202, Orange, CA 92869
Phone: 714-282-1892    Fax: 714-289-3906
Jennefer Allyn Russo, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 700 S. Tustin Street, Orange, CA 92866
Phone: 714-633-6373    Fax: 714-532-2522
Dr. Madushka Yohan De Zoysa, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-880-7812    
Dr. Tamera Hatfield, MD, PHD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 200 S. Manchester Ave, Suite 600, Orange, CA 92868
Phone: 714-456-2911    Fax: 714-456-8383
Dr. Stephanie J. Warsheski, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 3800 W Chapman Ave Ste 3400, Orange, CA 92868
Phone: 714-456-7733    
Martin Jerry Feldman, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1310 W Stewart Dr, Suite 606, Orange, CA 92868
Phone: 714-997-9494    Fax: 714-997-9674

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.