Dr Mark Chung-hsun Tsai, MD - Medicare Internal Medicine in Paramount, CA

Dr Mark Chung-hsun Tsai, MD is a medicare enrolled "Internal Medicine" physician in Paramount, California. He went to University Of Pittsburgh School Of Medicine and graduated in 2001 and has 23 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 16415 Colorado Ave, Suite 101, Paramount, California. You can reach out to his office (for appointments etc.) via phone at (562) 634-6341.

Dr Mark Chung-hsun Tsai is licensed to practice in California (license number A81875) 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 1225033111.

Contact Information

Dr Mark Chung-hsun Tsai, MD
16415 Colorado Ave, Suite 101,
Paramount, CA 90723-5035
(562) 634-6341
(562) 634-8949

Map and Direction




Physician's Profile

Full NameDr Mark Chung-hsun Tsai
GenderMale
SpecialityInternal Medicine
Experience23 Years
Location16415 Colorado Ave, Paramount, 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 Mark Chung-hsun Tsai attended and graduated from University Of Pittsburgh School Of Medicine in 2001
  NPI Data:
  • NPI Number: 1225033111
  • Provider Enumeration Date: 06/16/2005
  • Last Update Date: 04/03/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 5092741694
  • Enrollment ID: I20050714000918

Medical Identifiers

Medical identifiers for Dr Mark Chung-hsun Tsai such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225033111NPI-NPPES
A81875OtherCACALIFORNIA LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A81875 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Los Alamitos Medical CenterLos alamitos, CAHospital
Long Beach Memorial Medical CenterLong beach, CAHospital

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 Mark Chung-hsun Tsai 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 Mark Chung-hsun Tsai, MD
16415 Colorado Ave, Suite 101,
Paramount, CA 90723-5035

Ph: (562) 634-6341
Dr Mark Chung-hsun Tsai, MD
16415 Colorado Ave, Suite 101,
Paramount, CA 90723-5035

Ph: (562) 634-6341

Reviews and Comments


Internal Medicine Doctors in Paramount, CA

Dr. Anh Hong Pham, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 16415 Colorado Ave, Paramount, CA 90723
Phone: 562-602-2334    
Jocelyn Lao Sumcad, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 16660 Paramount Blvd, Suite 101, Paramount, CA 90723
Phone: 562-633-0976    Fax: 562-401-6247
Chengalroyan Raghunathan, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 16660 Paramount Blvd Ste 202, Paramount, CA 90723
Phone: 562-663-9191    Fax: 562-663-9111
Mr. Lawrence Steven Cohn, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 16415 South Colorado Avenue, Suite 202, Paramount, CA 90723
Phone: 562-531-9977    Fax: 562-531-8457
Philip B Weinstein, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 16660 Paramount Blvd, #201, Paramount, CA 90723
Phone: 562-633-3131    Fax: 562-633-2576
Joseph Son Tan, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 16660 Paramount Blvd, #312, Paramount, CA 90723
Phone: 562-404-0503    Fax: 562-529-8828

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.