Marie I Udekwu, MD - Medicare Anesthesiology in Daly City, CA

Marie I Udekwu, MD is a medicare enrolled "Anesthesiology" physician in Daly City, California. She graduated from medical school in 1981 and has 43 years of diverse experience with area of expertise as Anesthesiology. She is a member of the group practice Grays Harbor Community Hospital and her current practice location is 1900 Sullivan Ave, Daly City, California. You can reach out to her office (for appointments etc.) via phone at (408) 354-9254.

Marie I Udekwu is licensed to practice in California (license number A50757) 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 1669550471.

Contact Information

Marie I Udekwu, MD
1900 Sullivan Ave,
Daly City, CA 94015-2200
(408) 354-9254
(918) 213-4399

Map and Direction




Physician's Profile

Full NameMarie I Udekwu
GenderFemale
SpecialityAnesthesiology
Experience43 Years
Location1900 Sullivan Ave, Daly City, 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:
  • Marie I Udekwu graduated from medical school in 1981
  NPI Data:
  • NPI Number: 1669550471
  • Provider Enumeration Date: 11/01/2006
  • Last Update Date: 03/15/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6406892306
  • Enrollment ID: I20231005002246

Medical Identifiers

Medical identifiers for Marie I Udekwu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1669550471NPI-NPPES
00A507570MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology A50757 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Grays Harbor Community HospitalAberdeen, WAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Grays Harbor Community Hospital357746236567

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. Marie I Udekwu allows following entities to bill medicare on her behalf.
Entity NameColumbia Anesthesia Group P S
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861448235
PECOS PAC ID: 8426954322
Enrollment ID: O20031211000035
Entity NameGrays Harbor Community Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154378859
PECOS PAC ID: 3577462365
Enrollment ID: O20031231000081

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. Marie I Udekwu 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
Marie I Udekwu, MD
Po Box 33285,
Los Gatos, CA 95031-3285

Ph: (408) 354-9254
Marie I Udekwu, MD
1900 Sullivan Ave,
Daly City, CA 94015-2200

Ph: (408) 354-9254

Reviews and Comments


Anesthesiology Doctors in Daly City, CA

Dr. Richard Derby Jr., MD
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 901 Campus Drive, Suite 312, Daly City, CA 94015
Phone: 650-755-0733    Fax: 650-755-3018
Ronald D Friedman, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 1900 Sullivan Ave, Daly City, CA 94015
Phone: 650-992-4000    
Jeffrey Michael Gaynor, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 1900 Sullivan Ave, Daly City, CA 94015
Phone: 650-992-4000    
Michael Welby Bigelow, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1900 Sullivan Ave, Daly City, CA 94015
Phone: 650-992-4000    
Adam Dziuba, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1900 Sullivan Ave, Daly City, CA 94015
Phone: 650-992-4000    
Dr. Jackie Phan, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1900 Sullivan Ave, Daly City, CA 94015
Phone: 650-991-6816    
Nuzhat S. Zaidi, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 901 Campus Drive, Suite 102, Daly City, CA 94015
Phone: 415-642-0707    Fax: 650-755-8638

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.