Doctor profile · Federal record
Dr. Warren Gee, MD
Anesthesiology Physician · Castro Valley, CA
- NPI 1528143575
- MIPS 66.0 / 100 · 2023
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
20103 Lake Chabot RD
Castro Valley, CA 945465305
(510) 537-1234 - Mailing address
-
Po Box 7793
San Francisco, CA 941207793
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- California #A97099
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528143575. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
86
Distinct HCPCS
4
Medicare allowed
$11,778
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00142 |
Anesthesia for lens surgery | 48 | 48 | $132 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 14 | 12 | $152 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 12 | 12 | $141 | |
01992 |
Anesthesia for nerve block and injection procedure, prone position | 12 | 12 | $138 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 32. This provider delivers 2.7× the peer median.Frequently asked questions
What is Dr. Warren Gee's medical specialty?
Dr. Warren Gee practices Anesthesiology Physician in Castro Valley, CA.
Where does Dr. Warren Gee practice?
Dr. Warren Gee practices at 20103 Lake Chabot RD, Castro Valley, CA 945465305. Office phone: 5105371234.
What is Dr. Warren Gee's NPI?
Dr. Warren Gee's National Provider Identifier (NPI) is 1528143575, issued by NPPES.
What procedures does Dr. Warren Gee 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.