George Kareem Istaphanous, MD - Medicare Anesthesiology in Orange, CA

George Kareem Istaphanous, MD is a medicare enrolled "Anesthesiology" physician in Orange, California. His current practice location is 681 S Parker St, Orange, California. You can reach out to his office (for appointments etc.) via phone at (714) 744-0900.

George Kareem Istaphanous is licensed to practice in California (license number A105906) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1609096395.

Contact Information

George Kareem Istaphanous, MD
681 S Parker St,
Orange, CA 92868-4719
(714) 744-0900
(714) 744-9232

Map and Direction




Physician's Profile

Full NameGeorge Kareem Istaphanous
GenderMale
SpecialityAnesthesiology
Location681 S Parker St, Orange, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1609096395
  • Provider Enumeration Date: 04/26/2007
  • Last Update Date: 02/19/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 3779674544
  • Enrollment ID: I20120517000492

Medical Identifiers

Medical identifiers for George Kareem Istaphanous such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609096395NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology A105906 (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. George Kareem Istaphanous allows following entities to bill medicare on his behalf.
Entity NameWestern Anesthesia Medical Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497796320
PECOS PAC ID: 7012902216
Enrollment ID: O20040416001498
Entity NameWest Coast Anesthesia Inc A Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972634020
PECOS PAC ID: 0648169581
Enrollment ID: O20070623000101
Entity NameVinit Joshi Dds Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467846139
PECOS PAC ID: 1153681424
Enrollment ID: O20180410002659

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. George Kareem Istaphanous 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
George Kareem Istaphanous, MD
210 N Tustin Ave,
Santa Ana, CA 92705-3807

Ph: (714) 347-1000
George Kareem Istaphanous, MD
681 S Parker St,
Orange, CA 92868-4719

Ph: (714) 744-0900

Reviews and Comments


Anesthesiology Doctors in Orange, CA

Ian Chait, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1100 W Stewart Dr, Orange, CA 92868
Phone: 714-633-9111    Fax: 714-774-8695
Roger Yasuo Arakaki, M.D.
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 1100 W Stewart Dr, Orange, CA 92868
Phone: 714-633-9111    Fax: 714-774-8695
Dr. Yogesh Kumar Taheem, MD, MS
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-7890    
Vivek Gulati,
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 333 City Blvd W Ste 2150, Orange, CA 92868
Phone: 714-456-6661    
Francis Michael Sweeny, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1100 W Stewart Dr, Orange, CA 92868
Phone: 714-633-9111    Fax: 714-744-8695
Brandee Baker, CRNA
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-8068    Fax: 714-456-3765
Dr. Gexin Tang, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 681 S Parker St Ste 150, Orange, CA 92868
Phone: 714-744-0900    Fax: 714-744-9232

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.