Bonni S Massa, MD - Medicare Obstetrics/gynecology in Petaluma, CA

Bonni S Massa, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Petaluma, California. She went to Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University and graduated in 1997 and has 27 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice Pacific Gynecology And Obstetrics Medical Group Inc and her current practice location is 1496 Professional Dr Ste 603, Petaluma, California. You can reach out to her office (for appointments etc.) via phone at (628) 336-5260.

Bonni S Massa is licensed to practice in California (license number A67511) 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 1508933607.

Contact Information

Bonni S Massa, MD
1496 Professional Dr Ste 603,
Petaluma, CA 94954-6698
(628) 336-5260
Not Available

Map and Direction




Physician's Profile

Full NameBonni S Massa
GenderFemale
SpecialityObstetrics/gynecology
Experience27 Years
Location1496 Professional Dr Ste 603, Petaluma, 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:
  • Bonni S Massa attended and graduated from Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University in 1997
  NPI Data:
  • NPI Number: 1508933607
  • Provider Enumeration Date: 11/30/2006
  • Last Update Date: 10/22/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 0749170314
  • Enrollment ID: I20040317001047

Medical Identifiers

Medical identifiers for Bonni S Massa such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1508933607NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology A67511 (California)Primary
207VG0400XObstetrics & Gynecology - Gynecology A67511 (California)Secondary
207VX0000XObstetrics & Gynecology - Obstetrics A67511 (California)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
California Pacific Medical Center- Van Ness CampusSan francisco, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Pacific Gynecology And Obstetrics Medical Group Inc56986884487

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. Bonni S Massa allows following entities to bill medicare on her behalf.
Entity NamePacific Gynecology & Obstetrics Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528005055
PECOS PAC ID: 5698688448
Enrollment ID: O20031107000691

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. Bonni S Massa 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
Bonni S Massa, MD
2100 Webster St, Suite 319,
San Francisco, CA 94115-2373

Ph: (415) 923-3123
Bonni S Massa, MD
1496 Professional Dr Ste 603,
Petaluma, CA 94954-6698

Ph: (628) 336-5260

Reviews and Comments


Obstetrics & Gynecology Doctors in Petaluma, CA

Fiona Redwood, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1179 N Mcdowell Blvd, Petaluma, CA 94954
Phone: 707-559-7500    Fax: 707-559-7570
Dr. Julie D Clark, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1550 Professional Dr Ste A, Suite 100, Petaluma, CA 94954
Phone: 707-763-2900    Fax: 707-763-2990
Dr. Susan Michelle Taylor Peters, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 3900 Lakeville Highway, Obstetrics And Gynecology, Petaluma, CA 94954
Phone: 707-765-3900    
Laurie A. Dibble, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 3900 Lakeville Hwy, Petaluma, CA 94954
Phone: 707-765-3900    
Dr. Anthony P. Kosinski, M.D.
Obstetrics & Gynecology
Medicare: May Accept Medicare Assignments
Practice Location: 1550a Professional Drive, Suite 100, Petaluma, CA 94954
Phone: 707-763-2900    Fax: 707-763-2990
Gamin Mary Thomason, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 3900 Lakeville Hwy, Petaluma, CA 94954
Phone: 707-765-3900    

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.

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