Physician Profile
Based in Hinsdale, IL, Leonard A. Zalik, M.D is listed in the NPI registry under anesthesiology. Leonard graduated from Loyola University of Chicago, Stritch School of Medicine in 1984. Leonard is also listed as specializing in specialist. According to Medicare claims data, Leonard cared for 114 Medicare patients across 119 services. The services billed most often include anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance, anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope, and anesthesia for x-ray or radiation therapy. NPI 1689619728 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
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.
120 N OAK ST
Hinsdale, IL 60521
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
119 services · 114 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance | Anaesthesia | 01938 |
25 | As often as other peers in Anesthesiology |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
19 | As often as other peers in Anesthesiology |
| Anesthesia for x-ray or radiation therapy | Anaesthesia | 01922 |
18 | As often as other peers in Anesthesiology |
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
18 | As often as other peers in Anesthesiology |
| Anesthesia for nerve block and injection | Anaesthesia | 01991 |
15 | As often as other peers in Anesthesiology |
| Anesthesia for procedure on small and large bowel using an endoscope | Anaesthesia | 00813 |
12 | Less often than most peers in Anesthesiology |
| Anesthesia for exam of colon using an endoscope | Anaesthesia | 00812 |
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.
Leonard A. Zalik is an anesthesiologist in Hinsdale, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Leonard A. Zalik is listed at 120 N Oak St, Hinsdale, IL 60521. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (630) 856-9000. Contact the office directly to confirm availability and scheduling.
NPI registry
Leonard A. Zalik's National Provider Identifier is 1689619728. 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
Leonard A. Zalik attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
Leonard A. Zalik has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Leonard A. Zalik provides treatments such as anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance and anesthesia for other procedure on esophagus, stomach, or upper small 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 Leonard A. Zalik. If this is you, claiming it is free.
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