Yoon Young Ko, DO - Medicare Family Medicine in Tracy, CA

  1. Home
  2. Family Medicine
  3. CA
  4. Tracy
Yoon Young Ko, DO is a medicare enrolled "Family Medicine" physician in Tracy, California. Her current practice location is 599 E Valpico Rd, Tracy, California. You can reach out to her office (for appointments etc.) via phone at (209) 830-4072.

Yoon Young Ko is licensed to practice in California (license number 20A20130) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1396304457.

Contact Information

Yoon Young Ko, DO
599 E Valpico Rd,
Tracy, CA 95376
(209) 830-4072
(209) 454-3191

Map and Direction




Physician's Profile

Full NameYoon Young Ko
GenderFemale
SpecialityFamily Medicine
Location599 E Valpico Rd, Tracy, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1396304457
  • Provider Enumeration Date: 06/11/2019
  • Last Update Date: 11/04/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 2860880184
  • Enrollment ID: I20221010001658

Medical Identifiers

Medical identifiers for Yoon Young Ko such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396304457NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 20A20130 (California)Primary
207Q00000XFamily Medicine 25MB11247200 (New Jersey)Secondary

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. Yoon Young Ko allows following entities to bill medicare on her 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. Yoon Young Ko 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
Yoon Young Ko, DO
Po Box 255228,
Sacramento, CA 95865-5228

Ph: (800) 470-0071		Yoon Young Ko, DO
599 E Valpico Rd,
Tracy, CA 95376

Ph: (209) 830-4072

Reviews and Comments


Family Medicine Doctors in Tracy, CA

Dr. Robert Marroquin Acosta, D.O.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1530 Bessie Ave, Tracy, CA 95376
Phone: 209-834-1443    
Rishi Jagarlamudi, DO
Family Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 2160 W Grant Line Rd Ste 230, Tracy, CA 95377
Phone: 209-832-8700    
Dr. Shital C. Hubli, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1470 Bessie Ave, Tracy, CA 95376
Phone: 209-833-0525    Fax: 209-830-7361
Dr. Stephen Robert Kruger, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 445 W Eaton Ave, Tracy, CA 95376
Phone: 209-830-4075    
Mahesh K Sehgal, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 500 W Eaton Ave, Tracy, CA 95376
Phone: 209-832-8560    Fax: 209-832-3119
Dr. Sumitra Ramireddy, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 730 N Central Ave, Tracy, CA 95376
Phone: 209-820-1500    
Pranjalkumar H Patel, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1530 Bessie Ave, Suite 105, Tracy, CA 95376
Phone: 209-836-3967    Fax: 209-836-0626

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.