Marybeth Bewersdorf, MD - Medicare Anesthesiology in Irvine, CA

Marybeth Bewersdorf, MD is a medicare enrolled "Anesthesiology - Pain Medicine" physician in Irvine, California. Her current practice location is 5 Holland Ste 101, Irvine, California. You can reach out to her office (for appointments etc.) via phone at (949) 588-2190.

Marybeth Bewersdorf is licensed to practice in California (license number G64584) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1427251099.

Contact Information

Marybeth Bewersdorf, MD
5 Holland Ste 101,
Irvine, CA 92618-2568
(949) 588-2190
(949) 588-2199

Map and Direction




Physician's Profile

Full NameMarybeth Bewersdorf
GenderFemale
SpecialityAnesthesiology - Pain Medicine
Location5 Holland Ste 101, Irvine, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1427251099
  • Provider Enumeration Date: 06/08/2007
  • Last Update Date: 07/09/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 0042302358
  • Enrollment ID: I20070816000332

Medical Identifiers

Medical identifiers for Marybeth Bewersdorf such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427251099NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207LP2900XAnesthesiology - Pain Medicine G64584 (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. Marybeth Bewersdorf allows following entities to bill medicare on her behalf.
Entity NameDalia Gourgy Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316382526
PECOS PAC ID: 8224277140
Enrollment ID: O20130625000293
Entity NameTalbert Anesthesia Group Incorporated
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1144626714
PECOS PAC ID: 6406171461
Enrollment ID: O20150213001921

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. Marybeth Bewersdorf 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
Marybeth Bewersdorf, MD
5 Holland Ste 101,
Irvine, CA 92618-2568

Ph: (949) 588-2190
Marybeth Bewersdorf, MD
5 Holland Ste 101,
Irvine, CA 92618-2568

Ph: (949) 588-2190

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).

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