Rebecca Lynn Roy, MD - Medicare Obstetrics & Gynecology in Downey, CA

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Rebecca Lynn Roy, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Downey, California. Her current practice location is 9449 Imperial Hwy, Downey, California. You can reach out to her office (for appointments etc.) via phone at (800) 823-4040.

Rebecca Lynn Roy is licensed to practice in California (license number A140267) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1154610145.

Contact Information

Rebecca Lynn Roy, MD
9449 Imperial Hwy,
Downey, CA 90242-2814
(800) 823-4040
Not Available

Map and Direction




Physician's Profile

Full NameRebecca Lynn Roy
GenderFemale
SpecialityObstetrics & Gynecology
Location9449 Imperial Hwy, Downey, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1154610145
  • Provider Enumeration Date: 03/31/2011
  • Last Update Date: 12/06/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 0547540759
  • Enrollment ID: I20161205002480

Medical Identifiers

Medical identifiers for Rebecca Lynn Roy such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154610145NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology Q2839 (Texas)Secondary
207V00000XObstetrics & Gynecology A140267 (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. Rebecca Lynn Roy allows following entities to bill medicare on her 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

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. Rebecca Lynn Roy 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
Rebecca Lynn Roy, MD
9449 Imperial Hwy,
Downey, CA 90242-2814

Ph: (800) 823-4040		Rebecca Lynn Roy, MD
9449 Imperial Hwy,
Downey, CA 90242-2814

Ph: (800) 823-4040

Reviews and Comments


Obstetrics & Gynecology Doctors in Downey, CA

Dr. Marsha Araba Martinson, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 9333 Imperial Hwy, Downey, CA 90242
Phone: 562-657-4043    Fax: 562-657-4044
Penelope Velasco, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 8077 Florence Ave Ste 112, Downey, CA 90240
Phone: 562-904-6031    
Fataneh Amidi, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 9333 Imperial Hwy, Downey, CA 90242
Phone: 562-657-4043    
Dr. Ayman Alladawi, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 8077 Florence Ave, Suite # 112, Downey, CA 90240
Phone: 562-904-6031    Fax: 562-904-6033
Dr. Phuong Catherine Truong-yue, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 8500 Florence Avenue, Suite 200, Downey, CA 90240
Phone: 562-869-4579    Fax: 562-862-1765
Elbert Chang, D.O.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 8077 Florence Ave, Downey, CA 90240
Phone: 562-904-6031    

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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