Physician Profile
Oscar Fernandez, MD practices anesthesiology in Walnut Creek, CA. Oscar is a 1989 graduate of University of Miami, Lm Miller School of Medicine. According to Medicare claims data, Oscar cared for 48 Medicare patients across 48 services. The services billed most often include anesthesia for lens surgery, anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand, and anesthesia for other procedure on nose and sinuses. The provider's National Provider Identifier (NPI) is 1235166430.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
Within Anesthesiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Anesthesia complications
Back & spine
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Ablation
Head & facial procedures
Implants & devices
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve blocks
Nerve injections
Nerve procedures
Pain relief procedures
Regional anesthesia
Sedation
Sedation & anesthesia
Spine injections
Spine procedures
48 services · 48 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for lens surgery | Anaesthesia | 00142 |
26 | As often as other peers in Anesthesiology |
| Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | Anaesthesia | 01810 |
11 | Less often than most peers in Anesthesiology |
| Anesthesia for other procedure on nose and sinuses | Anaesthesia | 00160 |
11 | Less often than most peers in Anesthesiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Fernandez is an anesthesiologist in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Dr. Fernandez is listed at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (925) 939-3000. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Fernandez's National Provider Identifier is 1235166430. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Fernandez attended University of Miami, Lm Miller School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
Dr. Fernandez has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Fernandez provides treatments such as anesthesia for lens surgery and anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Fernandez. If this is you, claiming it is free.
Guide.md
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