Are you William R. Zimmermann, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWilliam R. Zimmermann, M.D. is a healthcare provider in Rockford, IL specializing in anesthesiology. Medicare claims data shows William provided 52 services to 51 patients. The services billed most often include anesthesia for other procedure on large bowel using an endoscope, anesthesia for procedure on small and large bowel using an endoscope, and anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope. This provider record is associated with NPI 1356351845.
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.
8201 E RIVERSIDE BLVD
Rockford, IL 61114
12935 Gregory St
Blue Island, IL 60406
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
52 services · 51 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
14 | Less often than most peers in Anesthesiology |
| Anesthesia for procedure on small and large bowel using an endoscope | Anaesthesia | 00813 |
13 | Less often than most peers in Anesthesiology |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
13 | Less often than most peers in Anesthesiology |
| Anesthesia for x-ray or radiation therapy | Anaesthesia | 01922 |
12 | 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.
William R. Zimmermann is an anesthesiologist in Rockford, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
William R. Zimmermann is listed at 8201 E Riverside Blvd, Rockford, IL 61114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (815) 971-7000. Contact the office directly to confirm availability and scheduling.
NPI registry
William R. Zimmermann's National Provider Identifier is 1356351845. 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
William R. Zimmermann attended Other, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
William R. Zimmermann 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, William R. Zimmermann provides treatments such as anesthesia for other procedure on large bowel using an endoscope and anesthesia for procedure on small and large bowel using an endoscope. 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 William R. Zimmermann. If this is you, claiming it is free.
Guide.md
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