Andreas George Ahlas, MD - Medicare Internal Medicine in Fresno, CA

Andreas George Ahlas, MD is a medicare enrolled "Internal Medicine" physician in Fresno, California. He went to University Of California, San Diego School Of Medicine and graduated in 2008 and has 16 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Clinica Sierra Vista and his current practice location is 2740 S Elm Ave, Fresno, California. You can reach out to his office (for appointments etc.) via phone at (559) 457-5200.

Andreas George Ahlas is licensed to practice in California (license number A124942) 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 1326200833.

Contact Information

Andreas George Ahlas, MD
2740 S Elm Ave,
Fresno, CA 93706-5435
(559) 457-5200
(559) 457-5296

Map and Direction




Physician's Profile

Full NameAndreas George Ahlas
GenderMale
SpecialityInternal Medicine
Experience16 Years
Location2740 S Elm Ave, Fresno, 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:
  • Andreas George Ahlas attended and graduated from University Of California, San Diego School Of Medicine in 2008
  NPI Data:
  • NPI Number: 1326200833
  • Provider Enumeration Date: 06/26/2008
  • Last Update Date: 12/28/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 3577794015
  • Enrollment ID: I20190720000040

Medical Identifiers

Medical identifiers for Andreas George Ahlas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1326200833NPI-NPPES
FHC11991FMedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A124942 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Clinica Sierra Vista3870407505139

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. Andreas George Ahlas allows following entities to bill medicare on his behalf.
Entity NameClinica Sierra Vista
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740439314
PECOS PAC ID: 3870407505
Enrollment ID: O20090304000620

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. Andreas George Ahlas 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
Andreas George Ahlas, MD
2740 S Elm Ave,
Fresno, CA 93706-5435

Ph: (559) 457-5200
Andreas George Ahlas, MD
2740 S Elm Ave,
Fresno, CA 93706-5435

Ph: (559) 457-5200

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.