Genevieve Mazza, MD - Medicare Obstetrics & Gynecology in Orange, CA

Genevieve Mazza, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Orange, California. Her current practice location is 101 The City Dr S, Orange, California. You can reach out to her office (for appointments etc.) via phone at (714) 456-8888.

Genevieve Mazza is licensed to practice in California (license number A190631) 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 1487281408.

Contact Information

Genevieve Mazza, MD
101 The City Dr S,
Orange, CA 92868-3201
(714) 456-8888
Not Available

Map and Direction




Physician's Profile

Full NameGenevieve Mazza
GenderFemale
SpecialityObstetrics & Gynecology
Location101 The City Dr S, Orange, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1487281408
  • Provider Enumeration Date: 03/27/2020
  • Last Update Date: 09/04/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 1850830472
  • Enrollment ID: I20240827004504

Medical Identifiers

Medical identifiers for Genevieve Mazza such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1487281408NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VM0101XObstetrics & Gynecology - Maternal & Fetal Medicine A190631 (California)Secondary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary
207V00000XObstetrics & Gynecology A190631 (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. Genevieve Mazza allows following entities to bill medicare on her behalf.
Entity NameUniversity Of California Irvine
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598790529
PECOS PAC ID: 5395658181
Enrollment ID: O20031107000431
Entity NameRegents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356304034
PECOS PAC ID: 0143128009
Enrollment ID: O20031230000251
Entity NameMagella Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376640086
PECOS PAC ID: 7214827591
Enrollment ID: O20040318001666

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. Genevieve Mazza 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
Genevieve Mazza, MD
200 S Manchester Ave Ste 300,
Orange, CA 92868-3219

Ph: (714) 456-8888
Genevieve Mazza, MD
101 The City Dr S,
Orange, CA 92868-3201

Ph: (714) 456-8888

Reviews and Comments


Obstetrics & Gynecology Doctors in Orange, CA

Dr. Laura Catherine Skoczylas, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Building 56, Department Of Ob/gyn, Orange, CA 92868
Phone: 714-456-8224    Fax: 714-456-8360
Gelareh Renee Nikpour-heravi, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2501 E Chapman Ave Ste 201-202, Orange, CA 92869
Phone: 714-282-1892    Fax: 714-289-3906
Jennefer Allyn Russo, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 700 S. Tustin Street, Orange, CA 92866
Phone: 714-633-6373    Fax: 714-532-2522
Dr. Madushka Yohan De Zoysa, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-880-7812    
Shruti Ria Dasgupta, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 2501 E Chapman Ave Ste 400, Orange, CA 92869
Phone: 714-628-6642    
Dr. Tamera Hatfield, MD, PHD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 200 S. Manchester Ave, Suite 600, Orange, CA 92868
Phone: 714-456-2911    Fax: 714-456-8383
Dr. Stephanie J. Warsheski, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 3800 W Chapman Ave Ste 3400, Orange, CA 92868
Phone: 714-456-7733    

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.