Wan Joon Kim, MD - Medicare Obstetrics/gynecology in Union City, CA

Wan Joon Kim, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Union City, California. He went to Vanderbilt University School Of Medicine and graduated in 1995 and has 29 years of diverse experience with area of expertise as Obstetrics/gynecology. He is a member of the group practice Permanente Medical Group Inc and his current practice location is 3555 Whipple Rd, Union City, California. You can reach out to his office (for appointments etc.) via phone at (510) 454-1000.

Wan Joon Kim is licensed to practice in California (license number A78825) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1235218926.

Contact Information

Wan Joon Kim, MD
3555 Whipple Rd,
Union City, CA 94587-1507
(510) 454-1000
Not Available

Map and Direction




Physician's Profile

Full NameWan Joon Kim
GenderMale
SpecialityObstetrics/gynecology
Experience29 Years
Location3555 Whipple Rd, Union City, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Wan Joon Kim attended and graduated from Vanderbilt University School Of Medicine in 1995
  NPI Data:
  • NPI Number: 1235218926
  • Provider Enumeration Date: 11/03/2006
  • Last Update Date: 12/08/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 2466631726
  • Enrollment ID: I20110119000984

Medical Identifiers

Medical identifiers for Wan Joon Kim such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235218926NPI-NPPES
00A788250MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology A78825 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital - San LeandroSan leandro, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102258376

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. Wan Joon Kim allows following entities to bill medicare on his behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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. Wan Joon Kim 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
Wan Joon Kim, MD
3553 Whipple Rd,
Union City, CA 94587-1507

Ph: (510) 454-1000
Wan Joon Kim, MD
3555 Whipple Rd,
Union City, CA 94587-1507

Ph: (510) 454-1000

Reviews and Comments


Obstetrics & Gynecology Doctors in Union City, CA

Patricia Pui Yee Lee, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 3553 Whipple Rd, Union City, CA 94587
Phone: 510-454-1000    
Joseph A Bachicha, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 3553 Whipple Road, Union City, CA 94587
Phone: 510-454-1000    
Winnie Wing-shan Cheung, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 3553 Whipple Rd, Union City, CA 94587
Phone: 510-454-1000    
James Kevin Massengill, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 3553 Whipple Road, Union City, CA 94587
Phone: 510-454-1000    
Dr. Abigail A Justiss, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 3555 Whipple Rd, Union City, CA 94587
Phone: 510-675-4010    
Dr. Audrey Chiharu Toda, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 3553 Whipple Rd, Union City, CA 94587
Phone: 510-454-1000    

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.

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