Doctor profile · Federal record
Dr. Gregory Merritt, MD
Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Kansas City, MO
- NPI 1548266174
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 35 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
2330 E Meyer Blvd, Suite 301
Kansas City, MO 641321132
(816) 333-5424
fax (816) 822-0870 - Additional location
-
2700 Clay Edwards Dr Ste 240
North Kansas City, MO 641163254
(816) 455-0681
fax (816) 455-5294 - Additional location
-
5100 W 110Th St Ste 120
Overland Park, KS 662111215
(913) 234-7600
fax (816) 361-5775 - Mailing address
-
2330 E Meyer Blvd Ste 301
Kansas City, MO 641321149
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- March 27, 2025
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Missouri #110178 · Kansas #26299
- Medicaid (2)
- MO #209679406 · KS #100321410A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548266174. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,130
Distinct HCPCS
10
Medicare allowed
$136,201
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 234 | 133 | $76 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 188 | 137 | $124 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 160 | 150 | $124 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 151 | 145 | $106 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 98 | 97 | $235 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 50 | 50 | $125 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 46 | 39 | $48 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 36 | 34 | $169 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 35 | 22 | $115 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 34 | 33 | $108 |
In context: peer comparison
Among 17 peers in Kansas City Gastroenterology Physician, average services per provider: 295. This provider delivers 3.8× the peer median.Open Payments
Industry payments received
All-time total
$3,543
Transactions
166
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 31 | $552.18 | |
| Abbvie INC. | 31 | $509.39 | |
| Takeda Pharmaceuticals U.S.A., INC. | 26 | $477.92 | |
| Lilly USA, LLC | 9 | $280.69 | |
| Qol Medical, LLC | 7 | $248.99 | |
| Janssen Biotech, INC. | 7 | $220.61 | |
| Aimmune Therapeutics, INC. | 10 | $208.35 | |
| Ardelyx, INC. | 10 | $181.36 | |
| Merck Sharp & Dohme LLC | 8 | $175.91 | |
| Madrigal Pharmaceuticals | 4 | $139.66 | |
| Intercept Pharmaceuticals, INC. | 6 | $126.83 | |
| Regeneron Healthcare Solutions, INC. | 6 | $116.98 | |
| Genzyme Corporation | 5 | $87.62 | |
| Pfizer INC. | 3 | $66.62 | |
| Phathom Pharmaceuticals, INC. | 3 | $54.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,120
Patients
385
Total drug cost
$214,259
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 255 | 94 | $5,408 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 140 | 138 | $23,401 |
| Omeprazole | Generic | 135 | 39 | $2,382 |
| Sucralfate | Generic | 117 | 24 | $3,867 |
| Dicyclomine Hcl | Generic | 105 | 29 | $4,279 |
| Mesalamine | Generic | 64 | 12 | $35,119 |
| Creon (Lipase/Protease/Amylase) | Brand | 42 | 13 | $95,038 |
| Famotidine | Generic | 42 | 11 | $2,931 |
| Balsalazide Disodium | Generic | 41 | 0 | $5,611 |
| Linzess (Linaclotide) | Brand | 39 | 0 | $23,632 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregory Merritt's medical specialty?
Dr. Gregory Merritt practices Gastroenterology Physician in Kansas City, MO.
Where does Dr. Gregory Merritt practice?
Dr. Gregory Merritt practices at 2330 E Meyer Blvd, Kansas City, MO 641321132. Office phone: 8163335424.
What is Dr. Gregory Merritt's NPI?
Dr. Gregory Merritt's National Provider Identifier (NPI) is 1548266174, issued by NPPES.
Does Dr. Gregory Merritt accept Medicare assignment?
Yes. Dr. Gregory Merritt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Merritt commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.