Tien-an Yang, MD, PHD - Medicare Ophthalmology in Vallejo, CA

Tien-an Yang, MD, PHD is a medicare enrolled "Ophthalmology" physician in Vallejo, California. She went to Js Weill Medical College, Cornell University and graduated in 2003 and has 21 years of diverse experience with area of expertise as Ophthalmology. She is a member of the group practice Permanente Medical Group Inc and her current practice location is 975 Sereno Drive, Kaiser Permanente Medical Center, Vallejo, California. You can reach out to her office (for appointments etc.) via phone at (707) 651-5760.

Tien-an Yang is licensed to practice in California (license number A89469) 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 1164570347.

Contact Information

Tien-an Yang, MD, PHD
975 Sereno Drive, Kaiser Permanente Medical Center,
Vallejo, CA 94589-2485
(707) 651-5760
(707) 651-2980

Map and Direction




Physician's Profile

Full NameTien-an Yang
GenderFemale
SpecialityOphthalmology
Experience21 Years
Location975 Sereno Drive, Vallejo, 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:
  • Tien-an Yang attended and graduated from Js Weill Medical College, Cornell University in 2003
  NPI Data:
  • NPI Number: 1164570347
  • Provider Enumeration Date: 01/06/2007
  • Last Update Date: 02/11/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 2365540564
  • Enrollment ID: I20070612000648

Medical Identifiers

Medical identifiers for Tien-an Yang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1164570347NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology A89469 (California)Primary

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. Tien-an Yang 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. Tien-an Yang 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
Tien-an Yang, MD, PHD
975 Sereno Dr,
Vallejo, CA 94589-2441

Ph: (707) 651-1000
Tien-an Yang, MD, PHD
975 Sereno Drive, Kaiser Permanente Medical Center,
Vallejo, CA 94589-2485

Ph: (707) 651-5760

Reviews and Comments


Ophthalmology Doctors in Vallejo, CA

William J. Casey, MD
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 975 Sereno Dr, Vallejo, CA 94589
Phone: 707-651-1000    
Christianne Wa, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 1460 N Camino Alto Ste 206, Vallejo, CA 94589
Phone: 800-573-8462    Fax: 707-552-9599
Dr. Christine Yi-shin Chiou Smith, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 975 Sereno Dr, Vallejo, CA 94589
Phone: 707-651-5798    Fax: 707-651-2980
Brian J. Bubnic, MD
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 975 Sereno Dr, Vallejo, CA 94589
Phone: 707-651-1000    
Mr. Roger F Carlson, MD
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 2852 Redwood Pkwy, Vallejo, CA 94591
Phone: 707-553-8222    Fax: 707-553-1154
Deanna K. Wilson, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 975 Sereno Dr, Vallejo, CA 94589
Phone: 707-651-1000    

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.

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).

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