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 .
- 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
- 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
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
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 Petaluma Obstetrics & Gynecology Physician, average services per provider: 31. This provider delivers 5.1× the peer median.Open Payments
Industry payments received
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
Medicare Part D · 2023
Top prescriptions
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 |
Frequently asked questions
What is Dr. Bonni Massa's medical specialty?
Dr. Bonni Massa practices Obstetrics & Gynecology Physician in Petaluma, CA.
Where does Dr. Bonni Massa practice?
Dr. Bonni Massa practices at 1496 Professional Dr Ste 603, Petaluma, CA 949546698. Office phone: 6283365260.
What is Dr. Bonni Massa's NPI?
Dr. Bonni Massa's National Provider Identifier (NPI) is 1508933607, issued by NPPES.
Does Dr. Bonni Massa accept Medicare assignment?
Dr. Bonni Massa does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Bonni Massa commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous (HCPCS G0328); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.