John Edmison, M.D.
NPI 1861662421 · Gastroenterology Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Edmison, M.D. is a Gastroenterology Physician provider in Greenville, SC (NPI 1861662421).
Provider details
- NPI number
- 1861662421
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 40677 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,225 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 257 | $234 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 182 | $120 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 159 | $86 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 154 | $157 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 116 | $76 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 614 | 225 |
| Omeprazole | 95 | 33 |
| Famotidine | 94 | 36 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 85 | 82 |
| Dicyclomine Hcl | 71 | 27 |
| Metronidazole | 60 | 55 |
| Sucralfate | 50 | 16 |
| Cholestyramine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,114 across 97 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
Registry dates
- Enumerated
- 2008-03-10
- Last updated
- 2020-06-01
- Certified
- 2020-06-01
Frequently asked questions
- What is John Edmison's NPI number?
- John Edmison's National Provider Identifier (NPI) is 1861662421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Edmison's specialty?
- John Edmison is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Edmison located?
- John Edmison's practice location on file with NPPES is 7900 N Kings Hwy, Greenville, SC 29572-3055.
- What is John Edmison's phone number?
- The practice phone number listed in the NPPES registry for John Edmison is (843) 449-3381.
- Does John Edmison accept Medicare?
- John Edmison is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Edmison's NPI active?
- Yes — John Edmison's NPI (1861662421) is active in the NPPES registry as of the last update on 2020-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.