Physician Profile
Based in Oxnard, CA, Randall J. Holtby, M.D. is listed in the NPI registry under anesthesiology. Randall is also listed as specializing in student in an organized health care education program. Medicare claims data shows Randall provided 106 services to 104 patients. The services billed most often include anesthesia for procedure to assess heart electrical activity, anesthesia for x-ray on artery of brain, heart, or chest, and anesthesia for x-ray or radiation therapy.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1600 N ROSE AVE
Oxnard, CA 93030
3000 Arlington Ave MS 1137
Toledo, OH 43614
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
106 services · 104 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for procedure to assess heart electrical activity | Anaesthesia | 00537 |
34 | More often than most peers in Anesthesiology |
| Anesthesia for x-ray on artery of brain, heart, or chest | Anaesthesia | 01926 |
27 | More often than most peers in Anesthesiology |
| Anesthesia for x-ray or radiation therapy | Anaesthesia | 01922 |
17 | As often as other peers in Anesthesiology |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
15 | |
| Anesthesia for other procedure on upper abdomen | Anaesthesia | 00790 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Randall J. Holtby is an anesthesiologist in Oxnard, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Randall J. Holtby is listed at 1600 N Rose Ave, Oxnard, CA 93030. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (805) 988-2500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Randall J. Holtby's National Provider Identifier is 1801320569. 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
Randall J. Holtby attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
Randall J. Holtby has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Randall J. Holtby provides treatments such as anesthesia for procedure to assess heart electrical activity and anesthesia for x-ray on artery of brain, heart, or chest. 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 Randall J. Holtby. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.