Lilit Pilossyan, MD - Medicare Rheumatology in Fontana, CA

Lilit Pilossyan, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Fontana, California. She graduated from medical school in 2014 and has 10 years of diverse experience with area of expertise as Rheumatology. Her current practice location is 9961 Sierra Ave, Fontana, California. You can reach out to her office (for appointments etc.) via phone at (909) 427-2608.

Lilit Pilossyan is licensed to practice in California (license number A145861) 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 1356753602.

Contact Information

Lilit Pilossyan, MD
9961 Sierra Ave,
Fontana, CA 92335-6720
(909) 427-2608
Not Available

Map and Direction




Physician's Profile

Full NameLilit Pilossyan
GenderFemale
SpecialityRheumatology
Experience10 Years
Location9961 Sierra Ave, Fontana, 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:
  • Lilit Pilossyan graduated from medical school in 2014
  NPI Data:
  • NPI Number: 1356753602
  • Provider Enumeration Date: 05/21/2014
  • Last Update Date: 12/06/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 3072890821
  • Enrollment ID: I20200109001435

Medical Identifiers

Medical identifiers for Lilit Pilossyan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1356753602NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology A145861 (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. Lilit Pilossyan allows following entities to bill medicare on her behalf.
Entity NameLpilossyan
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962013201
PECOS PAC ID: 3779901509
Enrollment ID: O20200910002787

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. Lilit Pilossyan 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
Lilit Pilossyan, MD
18340 Yorba Linda Blvd # 107-149,
Yorba Linda, CA 92886-4058

Ph: () -
Lilit Pilossyan, MD
9961 Sierra Ave,
Fontana, CA 92335-6720

Ph: (909) 427-2608

Reviews and Comments


Internal Medicine Doctors in Fontana, CA

Nainesh K. Gandhi, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 9985 Sierra Ave, Fontana, CA 92335
Phone: 866-454-3485    
Blanca E. Viramontes, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    
Dr. Paymon Mesgarzadeh, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 9985 Sierra Ave, Fontana, CA 92335
Phone: 909-427-5000    
Kathryn Chang Lin, MD
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 16465 Sierra Lakes Pkwy, Ste 245, Fontana, CA 92336
Phone: 909-829-7337    Fax: 909-829-1218
Lih-jiau Chen, MD
Rheumatology
Medicare: Medicare Enrolled
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    
Tommy Tiong Hien Oei, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    
Edmond C. Hui, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    

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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