Assefa Worku, MD - Medicare Internal Medicine in San Jose, CA

Assefa Worku, MD is a medicare enrolled "Internal Medicine" physician in San Jose, California. He graduated from medical school in 1991 and has 33 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Permanente Medical Group Inc and his current practice location is 250 Hospital Pkwy, 260 International Circle, San Jose, California. You can reach out to his office (for appointments etc.) via phone at (408) 972-7000.

Assefa Worku is licensed to practice in California (license number A109678) 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 1003127986.

Contact Information

Assefa Worku, MD
250 Hospital Pkwy, 260 International Circle,
San Jose, CA 95119-1103
(408) 972-7000
(408) 363-4906

Map and Direction




Physician's Profile

Full NameAssefa Worku
GenderMale
SpecialityInternal Medicine
Experience33 Years
Location250 Hospital Pkwy, San Jose, 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:
  • Assefa Worku graduated from medical school in 1991
  NPI Data:
  • NPI Number: 1003127986
  • Provider Enumeration Date: 06/25/2010
  • Last Update Date: 12/15/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 1355530098
  • Enrollment ID: I20110111000266

Medical Identifiers

Medical identifiers for Assefa Worku such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003127986NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A109678 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102257800

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. Assefa Worku 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. Assefa Worku 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
Assefa Worku, MD
250 Hospital Pkwy, 260 International Circle,
San Jose, CA 95119-1103

Ph: (408) 972-7000
Assefa Worku, MD
250 Hospital Pkwy, 260 International Circle,
San Jose, CA 95119-1103

Ph: (408) 972-7000

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.

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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