Matthew Ashmun, M.D.
NPI 1912948225 · Gastroenterology Physician · Lexington, KY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Ashmun, M.D. is a Gastroenterology Physician provider in Lexington, KY (NPI 1912948225).
Provider details
- NPI number
- 1912948225
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 41087 (KY)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
883 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) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 156 | $73 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 126 | $118 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 112 | $139 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 95 | $237 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 95 | $164 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 387 | 366 |
| Omeprazole | 336 | 133 |
| Pantoprazole Sodium | 203 | 62 |
| Famotidine | 136 | 48 |
| Dicyclomine Hcl | 121 | 48 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 111 | 106 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,042 across 165 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
- 2006-06-09
- Last updated
- 2012-10-30
Frequently asked questions
- What is Matthew Ashmun's NPI number?
- Matthew Ashmun's National Provider Identifier (NPI) is 1912948225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Ashmun's specialty?
- Matthew Ashmun is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Ashmun located?
- Matthew Ashmun's practice location on file with NPPES is 1225 S. Broadway, Lexington, KY 40504.
- What is Matthew Ashmun's phone number?
- The practice phone number listed in the NPPES registry for Matthew Ashmun is (859) 258-4950.
- Does Matthew Ashmun accept Medicare?
- Matthew Ashmun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Ashmun's NPI active?
- Yes — Matthew Ashmun's NPI (1912948225) is active in the NPPES registry as of the last update on 2012-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.