Doctor profile · Federal record
Dr. Stephen Dimarzo, M.D.
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · San Diego, CA
- NPI 1366479461
- Accepts Medicare
- 46 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9333 Genesee Ave
San Diego, CA 921212138
(858) 882-8350 - Mailing address
-
13238 Vinter Way
Poway, CA 920641216
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- California #G45838
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1366479461. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
133
Distinct HCPCS
6
Medicare allowed
$11,431
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 33 | 33 | $42 | |
76856 |
Complete ultrasound scan of pelvis | 22 | 19 | $121 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 22 | 18 | $61 | |
76830 |
Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 21 | 18 | $138 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 21 | 18 | $97 | |
99202 |
New patient office or other outpatient visit, 15-29 minutes | 14 | 14 | $78 |
In context: peer comparison
Among 24 peers in San Diego Obstetrics & Gynecology Physician, average services per provider: 21. This provider delivers 6.3× the peer median.Open Payments
Industry payments received
All-time total
$265
Transactions
8
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma US INC | 6 | $194.06 | |
| Becton, Dickinson and Company | 1 | $55.97 | |
| Hologic Sales and Service, LLC | 1 | $14.83 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
105
Patients
25
Total drug cost
$11,299
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 60 | 25 | $4,132 |
| Dotti (Estradiol) | Brand | 17 | 0 | $3,073 |
| Progesterone (Progesterone, Micronized) | Brand | 16 | 0 | $2,117 |
| Estradiol (Twice Weekly) (Estradiol) | Brand | 12 | 0 | $1,977 |
Hospital affiliations
Frequently asked questions
What is Dr. Stephen Dimarzo's medical specialty?
Dr. Stephen Dimarzo practices Obstetrics & Gynecology Physician in San Diego, CA.
Where does Dr. Stephen Dimarzo practice?
Dr. Stephen Dimarzo practices at 9333 Genesee Ave, San Diego, CA 921212138. Office phone: 8588828350.
What is Dr. Stephen Dimarzo's NPI?
Dr. Stephen Dimarzo's National Provider Identifier (NPI) is 1366479461, issued by NPPES.
Does Dr. Stephen Dimarzo accept Medicare assignment?
Yes. Dr. Stephen Dimarzo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Dimarzo commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Complete ultrasound scan of pelvis (HCPCS 76856); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.