Doctor profile · Federal record
Dr. Oscar Fernandez, MD
Anesthesiology Physician (CMS: Anesthesiology) · Walnut Creek, CA
- NPI 1235166430
- Accepts Medicare
- MIPS 58.0 / 100 · 2023
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1601 Ygnacio Valley RD
Walnut Creek, CA 945983122
(925) 939-3000
fax (925) 947-5286 - Mailing address
-
Po Box 7793
San Francisco, CA 941207793
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- California #G71880
- Medicaid
- CA #00G718800
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235166430. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
71
Distinct HCPCS
5
Medicare allowed
$15,954
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00840 |
Anesthesia for other procedure on lower abdomen | 16 | 16 | $262 | |
01480 |
Anesthesia for other procedure on lower leg, ankle, and foot bones | 16 | 15 | $220 | |
00160 |
Anesthesia for other procedure on nose and sinuses | 15 | 15 | $288 | |
00400 |
Anesthesia for other procedure on skin of arms, legs, and front body | 13 | 12 | $171 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 11 | 11 | $153 |
In context: peer comparison
Among 28 peers in this city , average services per provider: 70. This provider delivers 1.0× the peer median.Frequently asked questions
What is Dr. Oscar Fernandez's medical specialty?
Dr. Oscar Fernandez practices Anesthesiology Physician in Walnut Creek, CA.
Where does Dr. Oscar Fernandez practice?
Dr. Oscar Fernandez practices at 1601 Ygnacio Valley RD, Walnut Creek, CA 945983122. Office phone: 9259393000.
What is Dr. Oscar Fernandez's NPI?
Dr. Oscar Fernandez's National Provider Identifier (NPI) is 1235166430, issued by NPPES.
Does Dr. Oscar Fernandez accept Medicare assignment?
Yes. Dr. Oscar Fernandez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Oscar Fernandez commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on lower abdomen (HCPCS 00840); Anesthesia for other procedure on lower leg, ankle, and foot bones (HCPCS 01480); Anesthesia for other procedure on nose and sinuses (HCPCS 00160). Source: CMS Medicare Physician & Other Practitioners file.