Doctor profile · Federal record

Dr. Jason Zimmermann, M.D.

Surgery Physician (CMS: General Surgery) · Oak Lawn, IL

  • NPI 1083001077
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4400 W 95Th St Ste 413
Oak Lawn, IL 604532662
(708) 499-0034
Mailing address
29373 Network Pl
Chicago, IL 606731293

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
May 12, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Illinois #036.147577

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083001077. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
253
Distinct HCPCS
8
Medicare allowed
$19,495
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 64 38 $50
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 61 60 $87
99203 New patient office or other outpatient visit, 30-44 minutes 28 28 $107
99204 New patient office or other outpatient visit, 45-59 minutes 28 28 $175
99212 Established patient office or other outpatient visit, 10-19 minutes 23 21 $55
36415 Insertion of needle into vein for collection of blood sample 19 19 $8
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 16 11 $23
99213 Established patient office or other outpatient visit, 20-29 minutes 14 12 $94

In context: peer comparison

Among 6 peers in this city , average services per provider: 37. This provider delivers 6.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$93
Transactions
4
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
W. L. Gore & Associates, Inc. 4 $93.49

By nature of payment

Food and Beverage
$93

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
94
Patients
87
Total drug cost
$394
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 24 24 $106
Metronidazole Generic 21 18 $54
Metoclopramide Hcl Generic 20 18 $13
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 16 14 $13
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 13 13 $209

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Zimmermann's medical specialty?
Dr. Jason Zimmermann practices Surgery Physician in Oak Lawn, IL.
Where does Dr. Jason Zimmermann practice?
Dr. Jason Zimmermann practices at 4400 W 95Th St Ste 413, Oak Lawn, IL 604532662. Office phone: 7084990034.
What is Dr. Jason Zimmermann's NPI?
Dr. Jason Zimmermann's National Provider Identifier (NPI) is 1083001077, issued by NPPES.
Does Dr. Jason Zimmermann accept Medicare assignment?
Yes. Dr. Jason Zimmermann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason Zimmermann commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.