Doctor profile · Federal record
Dr. Geoffrey Gonick, MD
Anesthesiology Physician (CMS: Anesthesiology) · Mission Viejo, CA
- NPI 1558315556
- Accepts Medicare
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
27401 Los Altos, 180
Mission Viejo, CA 926916316
(949) 582-9624
fax (949) 582-9624
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- January 25, 2008
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- California #G79480
- Medicaid
- CA #00G794800
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558315556. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
119
Distinct HCPCS
6
Medicare allowed
$19,726
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00142 |
Anesthesia for lens surgery | 36 | 36 | $138 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 21 | 21 | $137 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 21 | 21 | $131 | |
00812 |
Anesthesia for exam of colon using an endoscope | 15 | 15 | $110 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 15 | 15 | $175 | |
00537 |
Anesthesia for procedure to assess heart electrical activity | 11 | 11 | $442 |
In context: peer comparison
Among 14 peers in Mission Viejo Anesthesiology Physician, average services per provider: 18. This provider delivers 6.6× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Geoffrey Gonick's medical specialty?
Dr. Geoffrey Gonick practices Anesthesiology Physician in Mission Viejo, CA.
Where does Dr. Geoffrey Gonick practice?
Dr. Geoffrey Gonick practices at 27401 Los Altos, Mission Viejo, CA 926916316. Office phone: 9495829624.
What is Dr. Geoffrey Gonick's NPI?
Dr. Geoffrey Gonick's National Provider Identifier (NPI) is 1558315556, issued by NPPES.
Does Dr. Geoffrey Gonick accept Medicare assignment?
Yes. Dr. Geoffrey Gonick accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Geoffrey Gonick commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.