Doctor profile · Federal record
Dr. Gregory Gambla, DO
Gastroenterology Physician (CMS: Gastroenterology) · Elgin, IL
- NPI 1801832167
- Accepts Medicare
- MIPS 85.1 / 100 · 2023
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
745 Fletcher Dr, Ste 202
Elgin, IL 601234747
(847) 888-1300
fax (847) 888-1341 - Mailing address
-
39W357 Baker Dr
Geneva, IL 601346114
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- February 18, 2015
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Illinois #036098608
- Medicaid
- IL #036098608
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801832167. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
736
Distinct HCPCS
10
Medicare allowed
$108,206
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 242 | 183 | $132 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 106 | 105 | $260 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 99 | 99 | $85 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 87 | 87 | $173 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 74 | 74 | $115 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 26 | 26 | $82 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 25 | 25 | $183 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 22 | 22 | $116 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 21 | 21 | $94 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 18 | 18 | $135 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 62. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$1,158
Transactions
44
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| E.R. Squibb & Sons, L.L.C. | 2 | $249.98 | |
| Janssen Biotech, Inc. | 8 | $181.82 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 9 | $176.46 | |
| Celgene Corporation | 3 | $94.62 | |
| ABBVIE INC. | 4 | $82.86 | |
| PFIZER INC. | 3 | $52.30 | |
| Lilly USA, LLC | 2 | $47.45 | |
| AIMMUNE THERAPEUTICS, INC. | 2 | $44.43 | |
| Phathom Pharmaceuticals, Inc. | 2 | $38.43 | |
| IRONWOOD PHARMACEUTICALS, INC | 2 | $37.90 | |
| VIVUS LLC | 2 | $35.25 | |
| Merck Sharp & Dohme LLC | 2 | $30.84 | |
| Regeneron Healthcare Solutions, Inc. | 1 | $26.83 | |
| QOL Medical, LLC | 1 | $21.51 | |
| Celltrion USA Inc. | 1 | $20.59 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,005
Patients
497
Total drug cost
$73,211
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 317 | 104 | $4,288 |
| Pantoprazole Sodium | Generic | 129 | 45 | $2,272 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 109 | 106 | $1,801 |
| Dicyclomine Hcl | Generic | 82 | 37 | $1,547 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 80 | 79 | $6,689 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 61 | 60 | $1,521 |
| Linzess (Linaclotide) | Brand | 40 | 15 | $35,736 |
| Sucralfate | Generic | 32 | 18 | $4,031 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 30 | 0 | $921 |
| Ondansetron Odt (Ondansetron) | Brand | 30 | 19 | $632 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregory Gambla's medical specialty?
Dr. Gregory Gambla practices Gastroenterology Physician in Elgin, IL.
Where does Dr. Gregory Gambla practice?
Dr. Gregory Gambla practices at 745 Fletcher Dr, Elgin, IL 601234747. Office phone: 8478881300.
What is Dr. Gregory Gambla's NPI?
Dr. Gregory Gambla's National Provider Identifier (NPI) is 1801832167, issued by NPPES.
Does Dr. Gregory Gambla accept Medicare assignment?
Yes. Dr. Gregory Gambla accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Gambla commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.