Anthony Chang-yu Shay, MD - Medicare Internal Medicine in Anaheim, CA

Anthony Chang-yu Shay, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Anaheim, California. His current practice location is 441 N Lakeview Ave, Anaheim, California. You can reach out to his office (for appointments etc.) via phone at (888) 988-2800.

Anthony Chang-yu Shay is licensed to practice in California (license number A77052) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1497826374.

Contact Information

Anthony Chang-yu Shay, MD
441 N Lakeview Ave,
Anaheim, CA 92807-3028
(888) 988-2800
Not Available



Physician's Profile

Full NameAnthony Chang-yu Shay
GenderMale
SpecialityInternal Medicine - Infectious Disease
Location441 N Lakeview Ave, Anaheim, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1497826374
  • Provider Enumeration Date: 11/13/2006
  • Last Update Date: 12/02/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6305870460
  • Enrollment ID: I20050919001083

Medical Identifiers

Medical identifiers for Anthony Chang-yu Shay such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1497826374NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0200XInternal Medicine - Infectious Disease A77052 (California)Primary

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. Anthony Chang-yu Shay allows following entities to bill medicare on his behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770515280
PECOS PAC ID: 6002729175
Enrollment ID: O20031110000678

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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. Anthony Chang-yu Shay 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
Anthony Chang-yu Shay, MD
441 N Lakeview Ave,
Anaheim, CA 92807-3028

Ph: (888) 988-2800
Anthony Chang-yu Shay, MD
441 N Lakeview Ave,
Anaheim, CA 92807-3028

Ph: (888) 988-2800

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Internal Medicine Doctors in Anaheim, CA

Richard Eugene Hughes, M.D.
Infectious Disease
Medicare: Not Enrolled in Medicare
Practice Location: 1300 N. Kraemer Blvd., Anaheim, CA 92806
Phone: 714-630-6363    Fax: 714-630-1921
Michael Salvaggio, MD
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: Kaiser Permanente-orange County, 411 N. Lakeview Ave, Anaheim, CA 92807
Phone: 714-279-4594    
Abraham Harn, DO
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1211 W La Palma Ave Ste 404, Anaheim, CA 92801
Phone: 714-772-8282    Fax: 714-772-6493
Aleem A Syed, MD
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1211 W La Palma Ave, Suite 702, Anaheim, CA 92801
Phone: 714-533-0300    Fax: 714-533-0700
Dr. Jagminder Singh Bhalla, M.D.
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1781 W Romneya Dr, Ste C, Anaheim, CA 92801
Phone: 714-956-3160    Fax: 714-956-1188
Dr. Ashley E. Mires, M.D.
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1211 W La Palma Ave, #207, Anaheim, CA 92801
Phone: 714-772-8282    Fax: 714-772-6493
Hyon Chong Seo, MD
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 441 N Lakeview Ave, Anaheim, CA 92807
Phone: 888-988-2800    

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