Dr Ellen Yulin Chang, MD - Medicare Diagnostic Radiology in San Francisco, CA

Dr Ellen Yulin Chang, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in San Francisco, California. She graduated from medical school in 2014 and has 10 years of diverse experience with area of expertise as Diagnostic Radiology. She is a member of the group practice City And County Of San Francisco, University Of California Sfgh Medical Group and her current practice location is 1001 Potrero Avenue, Building 5, 1st Floor, San Francisco, California. You can reach out to her office (for appointments etc.) via phone at (628) 206-8020.

Dr Ellen Yulin Chang is licensed to practice in California (license number A168940) 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 1427450212.

Contact Information

Dr Ellen Yulin Chang, MD
1001 Potrero Avenue, Building 5, 1st Floor,
San Francisco, CA 94110-3518
(628) 206-8020
Not Available

Map and Direction




Physician's Profile

Full NameDr Ellen Yulin Chang
GenderFemale
SpecialityDiagnostic Radiology
Experience10 Years
Location1001 Potrero Avenue, San Francisco, 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:
  • Dr Ellen Yulin Chang graduated from medical school in 2014
  NPI Data:
  • NPI Number: 1427450212
  • Provider Enumeration Date: 09/23/2014
  • Last Update Date: 08/29/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 7911205372
  • Enrollment ID: I20200619001405

Medical Identifiers

Medical identifiers for Dr Ellen Yulin Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427450212NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology 2019019873 (Missouri)Secondary
2085R0202XRadiology - Diagnostic Radiology A168940 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Zuckerberg San Francisco General Hosp & Trauma CtrSan francisco, CAHospital
Laguna Honda Hospital & Rehabilitation CenterSan francisco, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
City And County Of San Francisco1658280748265
University Of California Sfgh Medical Group5496668410488

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. Dr Ellen Yulin Chang allows following entities to bill medicare on her behalf.
Entity NameUniversity Of California Sfgh Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063487122
PECOS PAC ID: 5496668410
Enrollment ID: O20031106000503
Entity NameCity & County Of San Francisco
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1982737524
PECOS PAC ID: 1658280748
Enrollment ID: O20050309000770
Entity NameUsc Care Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902846306
PECOS PAC ID: 0446157747
Enrollment ID: O20050512000412

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. Dr Ellen Yulin Chang 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
Dr Ellen Yulin Chang, MD
Po Box 743749,
Los Angeles, CA 90074-3749

Ph: () -
Dr Ellen Yulin Chang, MD
1001 Potrero Avenue, Building 5, 1st Floor,
San Francisco, CA 94110-3518

Ph: (628) 206-8020

Reviews and Comments


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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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