Dr Graciela Lia Imbastari, MD - Medicare Internal Medicine in Orange, CA

Dr Graciela Lia Imbastari, MD is a medicare enrolled "Internal Medicine" physician in Orange, California. She graduated from medical school in 1984 and has 40 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Astra Medical Group and her current practice location is 2617 E Chapman Ave, Ste 205, Orange, California. You can reach out to her office (for appointments etc.) via phone at (714) 538-6822.

Dr Graciela Lia Imbastari is licensed to practice in California (license number A46536) 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 1801809983.

Contact Information

Dr Graciela Lia Imbastari, MD
2617 E Chapman Ave, Ste 205,
Orange, CA 92869-3226
(714) 538-6822
(714) 280-4826

Map and Direction




Physician's Profile

Full NameDr Graciela Lia Imbastari
GenderFemale
SpecialityInternal Medicine
Experience40 Years
Location2617 E Chapman Ave, Orange, 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 Graciela Lia Imbastari graduated from medical school in 1984
  NPI Data:
  • NPI Number: 1801809983
  • Provider Enumeration Date: 08/13/2006
  • Last Update Date: 10/25/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 3971631375
  • Enrollment ID: I20100505000675

Medical Identifiers

Medical identifiers for Dr Graciela Lia Imbastari such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1801809983NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A46536 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Astra Medical Group60028549812

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 Graciela Lia Imbastari allows following entities to bill medicare on her behalf.
Entity NameAstra Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336368422
PECOS PAC ID: 6002854981
Enrollment ID: O20050420001455

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 Graciela Lia Imbastari 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 Graciela Lia Imbastari, MD
2617 E Chapman Ave, Ste 205,
Orange, CA 92869-3226

Ph: (714) 538-6822
Dr Graciela Lia Imbastari, MD
2617 E Chapman Ave, Ste 205,
Orange, CA 92869-3226

Ph: (714) 538-6822

Reviews and Comments


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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.