Doctor profile · Federal record

Dr. Michael Ruchim, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Chicago, IL

  • NPI 1669470936
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
680 N Lake Shore Dr, Suite 118
Chicago, IL 606114546
(312) 503-6000
fax (312) 503-6329

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
June 30, 2010
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Illinois #036061908
Medicaid
IL #036061908

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669470936. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
286
Distinct HCPCS
8
Medicare allowed
$48,641
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 82 82 $137
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 57 57 $275
99203 New patient office or other outpatient visit, 30-44 minutes 45 45 $119
99214 Established patient office or other outpatient visit, 30-39 minutes 27 24 $136
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 26 26 $201
99213 Established patient office or other outpatient visit, 20-29 minutes 18 17 $92
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 16 16 $201
99204 New patient office or other outpatient visit, 45-59 minutes 15 15 $178

In context: peer comparison

Among 70 peers in Chicago Gastroenterology Physician, average services per provider: 239. This provider delivers 1.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
254
Patients
172
Total drug cost
$40,594
Drug Type Claims Patients Total cost
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 97 97 $2,087
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 46 46 $3,647
Omeprazole Generic 39 16 $820
Budesonide Dr (Budesonide) Brand 19 0 $2,951
Mesalamine Generic 16 0 $16,208
Lactulose Generic 13 0 $1,354
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 13 13 $2,258
Creon (Lipase/Protease/Amylase) Brand 11 0 $11,268

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Ruchim's medical specialty?
Dr. Michael Ruchim practices Gastroenterology Physician in Chicago, IL.
Where does Dr. Michael Ruchim practice?
Dr. Michael Ruchim practices at 680 N Lake Shore Dr, Chicago, IL 606114546. Office phone: 3125036000.
What is Dr. Michael Ruchim's NPI?
Dr. Michael Ruchim's National Provider Identifier (NPI) is 1669470936, issued by NPPES.
Does Dr. Michael Ruchim accept Medicare assignment?
Yes. Dr. Michael Ruchim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Ruchim commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.