Doctor profile · Federal record

Dr. Nirmala Gonsalves, MD

Gastroenterology Physician (CMS: Gastroenterology) · Chicago, IL

  • NPI 1326038712
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 27 yrs in practice
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
680 N Lake Shore Dr, Suite 1000
Chicago, IL 606114546
(312) 695-4022

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
July 9, 2007
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RG0100X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326038712. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
131
Distinct HCPCS
3
Medicare allowed
$11,307
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 62 50 $104
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 57 49 $71
99213 Established patient office or other outpatient visit, 20-29 minutes 12 12 $70

In context: peer comparison

Among 70 peers in Chicago Gastroenterology Physician, average services per provider: 239. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$94,750
Transactions
73
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, INC. 42 $39,288.16
Takeda Pharmaceuticals U.S.A., INC. 17 $24,247.06
E.R. Squibb & Sons, L.L.C. 3 $14,116.92
Genzyme Corporation 4 $12,081.18
Regeneron Pharmaceuticals, INC. 2 $2,891.93
Exact Sciences Corporation 2 $1,999.43
Celgene Corporation 3 $125.00

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$43,974
Consulting Fee
$39,810
Travel and Lodging
$9,415
Food and Beverage
$1,551

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
188
Patients
42
Total drug cost
$23,591
Drug Type Claims Patients Total cost
Omeprazole Generic 123 42 $2,206
Dexlansoprazole Dr (Dexlansoprazole) Brand 23 0 $13,705
Esomeprazole Magnesium Generic 18 0 $678
Flovent Hfa (Fluticasone Propionate) Brand 12 0 $6,115
Rabeprazole Sodium Generic 12 0 $887

Frequently asked questions

Auto-generated from federal data
What is Dr. Nirmala Gonsalves's medical specialty?
Dr. Nirmala Gonsalves practices Gastroenterology Physician in Chicago, IL.
Where does Dr. Nirmala Gonsalves practice?
Dr. Nirmala Gonsalves practices at 680 N Lake Shore Dr, Chicago, IL 606114546. Office phone: 3126954022.
What is Dr. Nirmala Gonsalves's NPI?
Dr. Nirmala Gonsalves's National Provider Identifier (NPI) is 1326038712, issued by NPPES.
Does Dr. Nirmala Gonsalves accept Medicare assignment?
Yes. Dr. Nirmala Gonsalves accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nirmala Gonsalves 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.