Gregory Merritt, MD
NPI 1548266174 · Gastroenterology Physician · Kansas City, MO
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Merritt, MD is a Gastroenterology Physician provider in Kansas City, MO (NPI 1548266174).
Provider details
- NPI number
- 1548266174
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 26299 (KS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,101 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 219 | $73 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 164 | $109 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 153 | $170 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 151 | $124 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 94 | $234 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 370 | 115 |
| Omeprazole | 150 | 43 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 108 | 104 |
| Dicyclomine Hcl | 97 | 25 |
| Sucralfate | 97 | 30 |
| Mesalamine | 71 | 15 |
| Linaclotidebrand: Linzess | 54 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,543 across 171 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 5100 W 110th St Ste 120Overland Park, KS 66211-1215Phone: (913) 234-7600Fax: (816) 361-5775
- 2700 Clay Edwards Dr Ste 240North Kansas City, MO 64116-3254Phone: (816) 455-0681Fax: (816) 455-5294
Registry dates
- Enumerated
- 2005-06-28
- Last updated
- 2025-03-27
- Certified
- 2025-03-27
Frequently asked questions
- What is Gregory Merritt's NPI number?
- Gregory Merritt's National Provider Identifier (NPI) is 1548266174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Merritt's specialty?
- Gregory Merritt is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Merritt located?
- Gregory Merritt's practice location on file with NPPES is 2330 E Meyer Blvd, Kansas City, MO 64132-1132.
- What is Gregory Merritt's phone number?
- The practice phone number listed in the NPPES registry for Gregory Merritt is (816) 333-5424.
- Does Gregory Merritt accept Medicare?
- Gregory Merritt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Merritt's NPI active?
- Yes — Gregory Merritt's NPI (1548266174) is active in the NPPES registry as of the last update on 2025-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.