Doctor profile · Federal record

Dr. Mark Connolly, M.D.

Surgical Oncology Physician (CMS: General Surgery) · Chicago, IL

  • NPI 1033162839
  • Accepts Medicare
  • 46 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2913 N Commonwealth Ave, 5Th Floor
Chicago, IL 606576211
(773) 472-3427
fax (773) 472-8561
Additional location
2845 N Sheridan RD
Chicago, IL 606577227
Mailing address
Po Box 597995
Chicago, IL 606597995

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 30, 2021
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
2086X0206X — NUCC code
State license (1)
Illinois #036063941
Medicaid
IL #036063941

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033162839. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
199
Distinct HCPCS
7
Medicare allowed
$22,889
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 82 64 $94
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 37 34 $137
99212 Established patient office or other outpatient visit, 10-19 minutes 21 18 $59
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 20 19 $89
99205 New patient office or other outpatient visit, 60-74 minutes 14 14 $232
99214 Established patient office or other outpatient visit, 30-39 minutes 14 12 $133
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $175

In context: peer comparison

Among 10 peers in this city , average services per provider: 28. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$57
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 1 $39.99
Elucent Medical 1 $17.28

By nature of payment

Education
$40
Food and Beverage
$17

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Connolly's medical specialty?
Dr. Mark Connolly practices Surgical Oncology Physician in Chicago, IL.
Where does Dr. Mark Connolly practice?
Dr. Mark Connolly practices at 2913 N Commonwealth Ave, Chicago, IL 606576211. Office phone: 7734723427.
What is Dr. Mark Connolly's NPI?
Dr. Mark Connolly's National Provider Identifier (NPI) is 1033162839, issued by NPPES.
Does Dr. Mark Connolly accept Medicare assignment?
Yes. Dr. Mark Connolly accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Connolly commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.