Doctor profile · Federal record

Dr. Shubha Singh, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Oak Park, IL

  • NPI 1538397617
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1100 Lake St Ste 150
Oak Park, IL 603011066
(331) 221-9003
fax (331) 221-2743
Mailing address
4201 Winfield RD Fl 3
Warrenville, IL 605554025

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
March 2, 2022
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Illinois #036130300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538397617. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
221
Distinct HCPCS
7
Medicare allowed
$32,002
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 39 35 $136
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 38 38 $104
45380 Biopsy of large bowel using a flexible endoscope 35 35 $120
99204 New patient office or other outpatient visit, 45-59 minutes 33 33 $178
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 28 28 $261
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 25 25 $137
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 23 19 $83

In context: peer comparison

Among 2 peers in this city , average services per provider: 29. This provider delivers 7.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
222
Patients
128
Total drug cost
$5,333
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 101 46 $2,557
Omeprazole Generic 60 25 $1,106
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 50 46 $860
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 11 11 $810

Frequently asked questions

Auto-generated from federal data
What is Dr. Shubha Singh's medical specialty?
Dr. Shubha Singh practices Gastroenterology Physician in Oak Park, IL.
Where does Dr. Shubha Singh practice?
Dr. Shubha Singh practices at 1100 Lake St Ste 150, Oak Park, IL 603011066. Office phone: 3312219003.
What is Dr. Shubha Singh's NPI?
Dr. Shubha Singh's National Provider Identifier (NPI) is 1538397617, issued by NPPES.
Does Dr. Shubha Singh accept Medicare assignment?
Yes. Dr. Shubha Singh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shubha Singh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.