Doctor profile · Federal record
Dr. William Leonard, M.D.
Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · San Diego, CA
- NPI 1265514475
- Accepts Medicare
- MIPS 86.9 / 100 · 2023
- 31 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3444 Kearny Villa RD Ste 100
San Diego, CA 921231960
(858) 268-3566
fax (858) 268-0430 - Mailing address
-
210 N Tustin Ave
Santa Ana, CA 927053807
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- June 12, 2017
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State licenses (2)
- California #A98392 · Hawaii #MD-9850
- Medicaid
- CA #1265514475
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265514475. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
159
Distinct HCPCS
5
Medicare allowed
$27,708
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00142 |
Anesthesia for lens surgery | 54 | 51 | $165 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 39 | 38 | $137 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 39 | 38 | $141 | |
00790 |
Anesthesia for other procedure on upper abdomen | 15 | 15 | $451 | |
00812 |
Anesthesia for exam of colon using an endoscope | 12 | 12 | $101 |
In context: peer comparison
Among 160 peers in San Diego Anesthesiology Physician, average services per provider: 24. This provider delivers 6.6× the peer median.Frequently asked questions
What is Dr. William Leonard's medical specialty?
Dr. William Leonard practices Anesthesiology Physician in San Diego, CA.
Where does Dr. William Leonard practice?
Dr. William Leonard practices at 3444 Kearny Villa RD Ste 100, San Diego, CA 921231960. Office phone: 8582683566.
What is Dr. William Leonard's NPI?
Dr. William Leonard's National Provider Identifier (NPI) is 1265514475, issued by NPPES.
Does Dr. William Leonard accept Medicare assignment?
Yes. Dr. William Leonard accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Leonard 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.