Dr Justina Jennan Tseng, MD - Medicare Rheumatology in San Diego, CA

Dr Justina Jennan Tseng, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in San Diego, California. She is a member of the group practice Union Associated Physicians Clinic Llc and her current practice location is 4725 Market St, San Diego, California. You can reach out to her office (for appointments etc.) via phone at (619) 515-2560.

Dr Justina Jennan Tseng is licensed to practice in California (license number C54040) 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 1346276540.

Contact Information

Dr Justina Jennan Tseng, MD
4725 Market St,
San Diego, CA 92102-4715
(619) 515-2560
Not Available

Map and Direction




Physician's Profile

Full NameDr Justina Jennan Tseng
GenderFemale
SpecialityRheumatology
Experience2024 Years
Location4725 Market St, San Diego, 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 Justina Jennan Tseng graduated from medical school in
  NPI Data:
  • NPI Number: 1346276540
  • Provider Enumeration Date: 06/23/2006
  • Last Update Date: 03/17/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 7719935519
  • Enrollment ID: I20210730002823

Medical Identifiers

Medical identifiers for Dr Justina Jennan Tseng such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1346276540NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology C54040 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Union Hospital IncTerre haute, INHospital
Sullivan County Community HospitalSullivan, INHospital
Paris Community HospitalParis, ILHospital
Good Samaritan HospitalVincennes, INHospital
Crawford Memorial HospitalRobinson, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Union Associated Physicians Clinic Llc3375687437159

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 Justina Jennan Tseng allows following entities to bill medicare on her behalf.
Entity NameUnion Associated Physicians Clinic Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891028379
PECOS PAC ID: 3375687437
Enrollment ID: O20100213000002

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 Justina Jennan Tseng 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 Justina Jennan Tseng, MD
1809 National Ave,
San Diego, CA 92102-4541

Ph: (619) 906-4623
Dr Justina Jennan Tseng, MD
4725 Market St,
San Diego, CA 92102-4715

Ph: (619) 515-2560

Reviews and Comments


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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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