Doctor profile · Federal record
Dr. Geoffrey Sonn, MD
Urology Physician (CMS: Urology) · Surgery Physician · Stanford, CA
- NPI 1275720351
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 21 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Credentials & registration
- NPI registered
- October 2007 — 19 yrs on file
- Profile last updated
- March 18, 2026
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 208800000X — NUCC code
- State license (1)
- California #A96537
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275720351. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
597
Distinct HCPCS
10
Medicare allowed
$115,438
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
55700 |
Biopsy of prostate gland | 129 | 129 | $146 | |
76942 |
Ultrasonic guidance for needle placement | 97 | 97 | $35 | |
76872 |
Ultrasound scan of pelvic region through rectum | 57 | 57 | $38 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 48 | 46 | $113 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 45 | 45 | $153 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 39 | 39 | $76 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 31 | 31 | $209 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 29 | 29 | $166 | |
55866 |
Surgical removal of prostate and surrounding lymph nodes using an endoscope | 25 | 25 | $1,356 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 17 | 17 | $113 |
In context: peer comparison
Among 12 peers in this city , average services per provider: 74. This provider delivers 8.1× the peer median.Open Payments
Industry payments received
All-time total
$883
Transactions
4
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Edap Technomed Inc | 3 | $783.00 | |
| KOELIS Inc. | 1 | $100.27 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Geoffrey Sonn's medical specialty?
Dr. Geoffrey Sonn practices Urology Physician in Stanford, CA.
Where does Dr. Geoffrey Sonn practice?
Dr. Geoffrey Sonn practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Geoffrey Sonn's NPI?
Dr. Geoffrey Sonn's National Provider Identifier (NPI) is 1275720351, issued by NPPES.
Does Dr. Geoffrey Sonn accept Medicare assignment?
Yes. Dr. Geoffrey Sonn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Geoffrey Sonn commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of prostate gland (HCPCS 55700); Ultrasonic guidance for needle placement (HCPCS 76942); Ultrasound scan of pelvic region through rectum (HCPCS 76872). Source: CMS Medicare Physician & Other Practitioners file.