Doctor profile · Federal record

Dr. BONNI MASSA, M.D.

Obstetrics & Gynecology Physician (CMS: OBSTETRICS/GYNECOLOGY) · Gynecology Physician · Obstetrics Physician · PETALUMA, CA

  • NPI 1508933607
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1496 PROFESSIONAL DR STE 603
PETALUMA, CA 949546698
(628) 336-5260
Additional location
2100 Webster St, suite 319
San Francisco, CA 941152373
(415) 923-3123
fax (415) 923-3132
Mailing address
2100 WEBSTER ST, SUITE 319
SAN FRANCISCO, CA 941152373

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
October 22, 2024
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #A67511

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508933607. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
158
Distinct HCPCS
5
Medicare allowed
$12,302
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 44 36 $143
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous 41 41 $18
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 33 33 $47
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 24 24 $55
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 16 16 $153

In context: peer comparison

Among 2 peers in this city , average services per provider: 31. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$426
Transactions
15
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
MAYNE PHARMA COMMERCIAL LLC 6 $189.37
Organon Llc 4 $100.97
Hologic Sales and Service, LLC 2 $42.72
MILLICENT US INC 1 $40.05
ABBVIE INC. 1 $30.07
Amgen Inc. 1 $22.43

By nature of payment

Food and Beverage
$386
Education
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
34
Patients
11
Total drug cost
$2,870
Drug Type Claims Patients Total cost
Estradiol Generic 17 11 $1,503
Progesterone (Progesterone, Micronized) Brand 17 0 $1,366