Mr Allan T Nassar, MD - Medicare Internal Medicine in Madera, CA

Mr Allan T Nassar, MD is a medicare enrolled "Internal Medicine" physician in Madera, California. He went to University Of Kansas School Of Med (kc/wich/sal) and graduated in 1995 and has 29 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Advanced Internal Medicine Associates Inc and his current practice location is 1111 W 4th St, Blding B, Madera, California. You can reach out to his office (for appointments etc.) via phone at (559) 662-2705.

Mr Allan T Nassar is licensed to practice in California (license number A61181) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1033129135.

Contact Information

Mr Allan T Nassar, MD
1111 W 4th St, Blding B,
Madera, CA 93637-4474
(559) 662-2705
(559) 673-1588

Map and Direction




Physician's Profile

Full NameMr Allan T Nassar
GenderMale
SpecialityInternal Medicine
Experience29 Years
Location1111 W 4th St, Madera, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mr Allan T Nassar attended and graduated from University Of Kansas School Of Med (kc/wich/sal) in 1995
  NPI Data:
  • NPI Number: 1033129135
  • Provider Enumeration Date: 08/09/2006
  • Last Update Date: 03/22/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 4981765674
  • Enrollment ID: I20081213000121

Medical Identifiers

Medical identifiers for Mr Allan T Nassar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033129135NPI-NPPES
GR0068140MedicaidCA
LAB13493FMedicaidCA
1699004044MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A61181 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Saint Agnes Medical CenterFresno, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Advanced Internal Medicine Associates Inc06484025782

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. Mr Allan T Nassar allows following entities to bill medicare on his behalf.
Entity NameSheikh Gustaveson & Nassar Inc A Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699004044
PECOS PAC ID: 0446386114
Enrollment ID: O20100405000415
Entity NameAdvanced Internal Medicine Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598187486
PECOS PAC ID: 0648402578
Enrollment ID: O20140408001746

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. Mr Allan T Nassar 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
Mr Allan T Nassar, MD
1111 W 4th St, Blding B,
Madera, CA 93637-4474

Ph: (559) 662-2705
Mr Allan T Nassar, MD
1111 W 4th St, Blding B,
Madera, CA 93637-4474

Ph: (559) 662-2705

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.