Dr Dortha Tao-yi Chu, MD, PHD, - Medicare General Surgery in Valencia, CA

Dr Dortha Tao-yi Chu, MD, PHD, is a medicare enrolled "Surgery - Surgical Oncology" physician in Valencia, California. She went to Washington University School Of Medicine and graduated in 2002 and has 22 years of diverse experience with area of expertise as General Surgery. She is a member of the group practice Thomas J Lomis M D Inc A Professional Corporation and her current practice location is 25425 Orchard Village Rd Ste 150, Valencia, California. You can reach out to her office (for appointments etc.) via phone at (661) 467-2371.

Dr Dortha Tao-yi Chu is licensed to practice in California (license number A86342) 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 1629227251.

Contact Information

Dr Dortha Tao-yi Chu, MD, PHD,
25425 Orchard Village Rd Ste 150,
Valencia, CA 91355-2959
(661) 467-2371
(661) 753-8647

Map and Direction




Physician's Profile

Full NameDr Dortha Tao-yi Chu
GenderFemale
SpecialityGeneral Surgery
Experience22 Years
Location25425 Orchard Village Rd Ste 150, Valencia, 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 Dortha Tao-yi Chu attended and graduated from Washington University School Of Medicine in 2002
  NPI Data:
  • NPI Number: 1629227251
  • Provider Enumeration Date: 09/18/2008
  • Last Update Date: 03/28/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9931265683
  • Enrollment ID: I20090304000279

Medical Identifiers

Medical identifiers for Dr Dortha Tao-yi Chu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1629227251NPI-NPPES
0765638MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery A86342 (California)Secondary
2086X0206XSurgery - Surgical Oncology A86342 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Henry Mayo Newhall HospitalValencia, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Thomas J Lomis M D Inc A Professional Corporation973914580611

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 Dortha Tao-yi Chu allows following entities to bill medicare on her behalf.
Entity NameThomas J Lomis M D Inc A Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1982700035
PECOS PAC ID: 9739145806
Enrollment ID: O20041209000825
Entity NameCity Of Hope Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871886366
PECOS PAC ID: 3779751656
Enrollment ID: O20110720000244

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 Dortha Tao-yi Chu 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 Dortha Tao-yi Chu, MD, PHD,
23004 Weymouth Pl,
Valencia, CA 91354-2041

Ph: (661) 678-3696
Dr Dortha Tao-yi Chu, MD, PHD,
25425 Orchard Village Rd Ste 150,
Valencia, CA 91355-2959

Ph: (661) 467-2371

Reviews and Comments


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Phone: 213-973-2263    Fax: 424-248-0985

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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