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Edit this profileTimothy J. Heilizer, MD practices surgery in Chicago, IL. According to Medicare claims data, Timothy cared for 226 Medicare patients across 273 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1245347996.
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.
2338 W NORTH AVE
Chicago, IL 60647
Within Surgery (Unspecified) generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Breast conditions
Cancer
Colorectal
Digestive
Digestive & blood
Digestive health
Endocrine
Infections
Lumps & bumps
Lymphatic
Minor surgery
Skin & scars
Skin & soft tissue
Skin cancer
Vascular
Weight & metabolism
Wound care
Wounds
Endocrine
Vascular
Wounds
Most searched procedures
Abdominal
Abdominal surgery
Bariatric
Breast surgery
Cancer
Cancer surgery
Colorectal
Consultations
Diagnostic
Digestive
Digestive health
Infections
Minor surgery
Post-op care
Reconstruction
Skin & soft tissue
Skin cancer
Vascular & cancer
Weight loss
Wound care
273 services · 226 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
20 | As often as other peers in Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
63 | More often than most peers in Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
54 | More often than most peers in Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
43 | More often than most peers in Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
33 | As often as other peers in Surgery |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
22 | As often as other peers in Surgery |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
20 | As often as other peers in Surgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
18 | As often as other peers in Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Heilizer is a general surgeon in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Dr. Heilizer is listed at 2338 W North Ave, Chicago, IL 60647. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (773) 227-5914. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Heilizer's National Provider Identifier is 1245347996. 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. Heilizer attended Other, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
Dr. Heilizer has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Heilizer performs procedures including diagnostic exam of anus using an endoscope, alongside routine visits and testing. 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. Heilizer. If this is you, claiming it is free.
Guide.md
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