Mary R Kwaan, MD, MPH - Medicare General Surgery in Los Angeles, CA

Mary R Kwaan, MD, MPH is a medicare enrolled "Colon & Rectal Surgery" physician in Los Angeles, California. She went to Harvard Medical School and graduated in 2001 and has 23 years of diverse experience with area of expertise as General Surgery. She is a member of the group practice Ucla Associated General Surgeons and her current practice location is 200 Ucla Medical Plz Ste 214, Los Angeles, California. You can reach out to her office (for appointments etc.) via phone at (310) 794-7788.

Mary R Kwaan is licensed to practice in California (license number C154058) 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 1588732911.

Contact Information

Mary R Kwaan, MD, MPH
200 Ucla Medical Plz Ste 214,
Los Angeles, CA 90095-0341
(310) 794-7788
(310) 794-4337

Map and Direction




Physician's Profile

Full NameMary R Kwaan
GenderFemale
SpecialityGeneral Surgery
Experience23 Years
Location200 Ucla Medical Plz Ste 214, Los Angeles, 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 R Kwaan attended and graduated from Harvard Medical School in 2001
  NPI Data:
  • NPI Number: 1588732911
  • Provider Enumeration Date: 12/02/2006
  • Last Update Date: 12/26/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 1456404870
  • Enrollment ID: I20180308002011

Medical Identifiers

Medical identifiers for Mary R Kwaan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588732911NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery C154058 (California)Secondary
208C00000XColon & Rectal Surgery C154058 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Santa Monica - Ucla Med Ctr & Orthopaedic HospitalSanta monica, CAHospital
Ronald Reagan Ucla Medical CenterLos angeles, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ucla Associated General Surgeons600272814437

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 R Kwaan allows following entities to bill medicare on her behalf.
Entity NameUcla Associated General Surgeons
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1730147372
PECOS PAC ID: 6002728144
Enrollment ID: O20031105000607

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 R Kwaan 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 R Kwaan, MD, MPH
5767 W Century Blvd Ste 400,
Los Angeles, CA 90045-5631

Ph: () -
Mary R Kwaan, MD, MPH
200 Ucla Medical Plz Ste 214,
Los Angeles, CA 90095-0341

Ph: (310) 794-7788

Reviews and Comments



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.