Doctor profile · Federal record
Dr. John Gainey, MD
Anesthesiology Physician (CMS: Anesthesiology) · Walnut Creek, CA
- NPI 1235284738
- Accepts Medicare
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1601 Ygnacio Valley RD
Walnut Creek, CA 945983122
(925) 939-3000 - Mailing address
-
Po Box 7793
San Francisco, CA 941207793
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- California #A92606
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235284738. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
26
Distinct HCPCS
2
Medicare allowed
$6,187
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00914 |
Anesthesia for removal of prostate including use of an endoscope | 14 | 14 | $306 | |
00142 |
Anesthesia for lens surgery | 12 | 12 | $158 |
In context: peer comparison
Among 28 peers in Walnut Creek Anesthesiology Physician, average services per provider: 70. This provider delivers 0.4× the peer median.Frequently asked questions
What is Dr. John Gainey's medical specialty?
Dr. John Gainey practices Anesthesiology Physician in Walnut Creek, CA.
Where does Dr. John Gainey practice?
Dr. John Gainey practices at 1601 Ygnacio Valley RD, Walnut Creek, CA 945983122. Office phone: 9259393000.
What is Dr. John Gainey's NPI?
Dr. John Gainey's National Provider Identifier (NPI) is 1235284738, issued by NPPES.
Does Dr. John Gainey accept Medicare assignment?
Yes. Dr. John Gainey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Gainey commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for removal of prostate including use of an endoscope (HCPCS 00914); Anesthesia for lens surgery (HCPCS 00142). Source: CMS Medicare Physician & Other Practitioners file.