Are you Marvin L. Warren, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileMarvin L. Warren, M.D. is a healthcare provider in Billings, MT specializing in anesthesiology. Marvin trained at University of Kansas School of Med (Kc/Wich/Sal), graduating in 1980. Medicare claims data shows Marvin provided 205 services to 174 patients. The services billed most often include anesthesia for lens surgery and anesthesia for other procedure on lower leg, ankle, and foot bones. This provider record is associated with NPI 1386733327.
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.
2800 10TH AVE N
Billings, MT 59101
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.
Sedation & Phobias
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
Nerve blocks
Nerve Blocks
Pain Relief Procedures
Regional anesthesia
Sedation
Sedation & anesthesia
Specialized Care
Vascular Access
Ablation
Head & facial procedures
Implants & devices
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve injections
Nerve procedures
Pain relief procedures
Spine injections
Spine procedures
205 services · 174 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for lens surgery | Anaesthesia | 00142 |
192 | More than most peers in Anesthesiology |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | Anaesthesia | 01480 |
13 | As often as other peers in Anesthesiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Marvin L. Warren is an anesthesiologist in Billings, MT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Marvin L. Warren is listed at 2800 10Th Ave N, Billings, MT 59101. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (406) 896-2447. Contact the office directly to confirm availability and scheduling.
NPI registry
Marvin L. Warren's National Provider Identifier is 1386733327. 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
Marvin L. Warren attended University of Kansas School of Med (Kc/Wich/Sal), graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
Marvin L. Warren has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Marvin L. Warren provides treatments such as anesthesia for lens surgery and anesthesia for other procedure on lower leg, ankle, and foot bones. 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 Marvin L. Warren. If this is you, claiming it is free.
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