Dr Margaret Rose Li, MD - Medicare Rheumatology in Union City, CA

Dr Margaret Rose Li, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Union City, California. She went to State University Of New York At Stony Brook, School Of Medicine and graduated in 1998 and has 26 years of diverse experience with area of expertise as Rheumatology. She is a member of the group practice New York University and her current practice location is 3553 Whipple Rd, Building B, Union City, California. You can reach out to her office (for appointments etc.) via phone at (510) 675-2987.

Dr Margaret Rose Li is licensed to practice in California (license number A92531) 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 1215025317.

Contact Information

Dr Margaret Rose Li, MD
3553 Whipple Rd, Building B,
Union City, CA 94587-1507
(510) 675-2987
(510) 675-2185

Map and Direction




Physician's Profile

Full NameDr Margaret Rose Li
GenderFemale
SpecialityRheumatology
Experience26 Years
Location3553 Whipple Rd, Union City, 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:
  • Dr Margaret Rose Li attended and graduated from State University Of New York At Stony Brook, School Of Medicine in 1998
  NPI Data:
  • NPI Number: 1215025317
  • Provider Enumeration Date: 10/11/2006
  • Last Update Date: 02/16/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9133208531
  • Enrollment ID: I20171027001879

Medical Identifiers

Medical identifiers for Dr Margaret Rose Li such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1215025317NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology A92531 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
New York University Langone Medical CenterNew york, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
New York University13552324224495

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 Margaret Rose Li allows following entities to bill medicare on her behalf.
Entity NameNew York University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285826438
PECOS PAC ID: 1355232422
Enrollment ID: O20090822000026

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 Margaret Rose Li 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 Margaret Rose Li, MD
3553 Whipple Rd, Building B,
Union City, CA 94587-1507

Ph: (510) 675-2987
Dr Margaret Rose Li, MD
3553 Whipple Rd, Building B,
Union City, CA 94587-1507

Ph: (510) 675-2987

Reviews and Comments


Internal Medicine Doctors in Union City, CA

Jayasudha S Palavalli, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 3553 Whipple Rd, Union City, CA 94587
Phone: 510-454-1000    
Anjana Vinayak Harnoor, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 3553 Whipple Rd, Union City, CA 94587
Phone: 510-675-4013    
Eric S. Brondfield, MD
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 3553 Whipple Road, Union City, CA 94587
Phone: 510-784-4000    
Jaishree Acharya, M.D.
Rheumatology
Medicare: Medicare Enrolled
Practice Location: 3553 Whipple Rd, Union City, CA 94587
Phone: 510-454-1000    
Pamela Wong Nitsos, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 3553 Whipple Rd, Union City, CA 94587
Phone: 510-454-1000    
Dr. Lauren Yokomizo,
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 3553 Whipple Road, Building B, Station 6, Union City, CA 94587
Phone: 212-263-5506    
Alan Curtis Jung, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 3553 Whipple Rd, Union City, CA 94587
Phone: 510-454-1000    

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.

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