Mary Wang, MD - Medicare Internal Medicine in Rowland Heights, CA

Mary Wang, MD is a medicare enrolled "Internal Medicine" physician in Rowland Heights, California. She graduated from medical school in 1991 and has 33 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Liu And Wang Medical Corp and her current practice location is 18395 Colima Rd, Rowland Heights, California. You can reach out to her office (for appointments etc.) via phone at (626) 964-1120.

Mary Wang is licensed to practice in California (license number A61785) 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 1669564811.

Contact Information

Mary Wang, MD
18395 Colima Rd,
Rowland Heights, CA 91748-2749
(626) 964-1120
(626) 964-0590

Map and Direction




Physician's Profile

Full NameMary Wang
GenderFemale
SpecialityInternal Medicine
Experience33 Years
Location18395 Colima Rd, Rowland Heights, 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:
  • Mary Wang graduated from medical school in 1991
  NPI Data:
  • NPI Number: 1669564811
  • Provider Enumeration Date: 09/28/2006
  • Last Update Date: 02/09/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 9739113580
  • Enrollment ID: I20110518000734

Medical Identifiers

Medical identifiers for Mary Wang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1669564811NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A61785 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Liu And Wang Medical Corp73159711652

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. Mary Wang allows following entities to bill medicare on her behalf.
Entity NameLiu & Wang Medical Corp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679676779
PECOS PAC ID: 7315971165
Enrollment ID: O20081230000501

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. Mary Wang 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
Mary Wang, MD
1118 S Garfield Ave, 201,
Alhambra, CA 91801-4713

Ph: (626) 281-0090
Mary Wang, MD
18395 Colima Rd,
Rowland Heights, CA 91748-2749

Ph: (626) 964-1120

Reviews and Comments


Internal Medicine Doctors in Rowland Heights, CA

Dejun Wang, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 19115 Colima Rd Unit 104, Rowland Heights, CA 91748
Phone: 626-810-2983    Fax: 626-810-5741
Dr. Rosel Liza Dela Paz Reyes, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1968 Los Padres Dr, Rowland Heights, CA 91748
Phone: 626-964-4807    
Xipu Jack Wu, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 19115 Colima Rd Unit 202, Rowland Heights, CA 91748
Phone: 626-912-4147    Fax: 626-912-3326
Yongqing Feng, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 18391 Colima Rd, Rowland Heights, CA 91748
Phone: 419-357-7442    Fax: 909-978-5001
Zune Hou Liu, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 18395 Colima Rd, Rowland Heights, CA 91748
Phone: 626-964-1120    
Dr. Hsiu-ying Lisa Tseng, D.O.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1330 Fullerton Rd Ste 288, Rowland Heights, CA 91748
Phone: 626-965-1233    

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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