Dr Kwan Toh Tan, MD - Medicare Internal Medicine in La Palma, CA

Dr Kwan Toh Tan, MD is a medicare enrolled "Internal Medicine" physician in La Palma, California. He went to Oral Roberts University School Of Medicine and graduated in 1990 and has 34 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Joshua International Medical Group and his current practice location is 7872 Walker St, La Palma, California. You can reach out to his office (for appointments etc.) via phone at (714) 527-8777.

Dr Kwan Toh Tan is licensed to practice in California (license number G74232) 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 1013099746.

Contact Information

Dr Kwan Toh Tan, MD
7872 Walker St,
La Palma, CA 90623-1796
(714) 527-8777
(714) 527-8990

Map and Direction




Physician's Profile

Full NameDr Kwan Toh Tan
GenderMale
SpecialityInternal Medicine
Experience34 Years
Location7872 Walker St, La Palma, 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:
  • Dr Kwan Toh Tan attended and graduated from Oral Roberts University School Of Medicine in 1990
  NPI Data:
  • NPI Number: 1013099746
  • Provider Enumeration Date: 10/20/2006
  • Last Update Date: 07/07/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 3173799905
  • Enrollment ID: I20111229000163

Medical Identifiers

Medical identifiers for Dr Kwan Toh Tan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013099746NPI-NPPES
00G742320MedicaidCA
GR0061200MedicaidCA
GR0061190MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine G74232 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Los Alamitos Medical CenterLos alamitos, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Joshua International Medical Group47898546213

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 Kwan Toh Tan allows following entities to bill medicare on his behalf.
Entity NameJoshua International Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215150529
PECOS PAC ID: 4789854621
Enrollment ID: O20110831000644

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 Kwan Toh Tan 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 Kwan Toh Tan, MD
13561 Yorba St,
Santa Ana, CA 92705-1869

Ph: (714) 527-8943
Dr Kwan Toh Tan, MD
7872 Walker St,
La Palma, CA 90623-1796

Ph: (714) 527-8777

Reviews and Comments


Internal Medicine Doctors in La Palma, CA

Sandy Lee, DO
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 5451 La Palma Ave, La Palma, CA 90623
Phone: 714-670-1340    
Dr. Justin Wu, D.O.
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Medicare: Accepting Medicare Assignments
Practice Location: 5451 La Palma Ave Ste 25, La Palma, CA 90623
Phone: 714-670-1340    
Niloofar Leyla Farmani, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 5451 La Palma Ave, Suite 25, La Palma, CA 90623
Phone: 714-670-1340    Fax: 714-443-3780
Gerald Y. Ho, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5451 La Palma Ave, Suite 25, La Palma, CA 90623
Phone: 714-670-1340    Fax: 714-443-3780
Xiao-ying Sherry Fang, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 5 Centerpointe Dr, La Palma, CA 90623
Phone: 714-206-2378    
Hashem M Fatemi,
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5471 La Palma Ave, Suite 203, La Palma, CA 90623
Phone: 714-523-7122    Fax: 714-523-9813

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.