Jason Dundulis, M.D.
NPI 1548421183 · Gastroenterology Physician · Jefferson City, MO
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Dundulis, M.D. is a Gastroenterology Physician provider in Jefferson City, MO (NPI 1548421183).
Provider details
- NPI number
- 1548421183
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2011012167 (MO)
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
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
990 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 | 161 | $232 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 155 | $30 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 110 | $73 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 85 | $75 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 56 | $83 |
| Insertion of Guide Wire With Dilation of Esophagus Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 318 | 97 |
| Omeprazole | 270 | 91 |
| Dicyclomine Hcl | 101 | 26 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 81 | 79 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 64 | 63 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 59 | 57 |
| Metoclopramide Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,023 across 71 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
- 2008-06-17
- Last updated
- 2015-07-02
Frequently asked questions
- What is Jason Dundulis's NPI number?
- Jason Dundulis's National Provider Identifier (NPI) is 1548421183, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Dundulis's specialty?
- Jason Dundulis is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Dundulis located?
- Jason Dundulis's practice location on file with NPPES is 1241 W Stadium Blvd, Jefferson City, MO 65109-6023.
- What is Jason Dundulis's phone number?
- The practice phone number listed in the NPPES registry for Jason Dundulis is (573) 635-5264.
- Does Jason Dundulis accept Medicare?
- Jason Dundulis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Dundulis's NPI active?
- Yes — Jason Dundulis's NPI (1548421183) is active in the NPPES registry as of the last update on 2015-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.