Jack Ohringer, MD
NPI 1285658393 · Gastroenterology Physician · Springfield, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jack Ohringer, MD is a Gastroenterology Physician provider in Springfield, IL (NPI 1285658393).
Provider details
- NPI number
- 1285658393
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 217409 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
90 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Large Bowel Using a Flexible Endoscope45380 | 27 | $88 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 24 | $84 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 24 | $229 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 15 | $95 |
Typical Medicare-allowed amounts for these services range $84–$229 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 142 | 132 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 77 | 76 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 45 | 45 |
| Omeprazole | 43 | 15 |
| Pantoprazole Sodium | 40 | 20 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 35 | 35 |
| Sucralfate |
Practice location
Mailing address
Additional practice locations (1)
- 10400 75th StKenosha, WI 53142-7884Phone: (262) 948-7000
Registry dates
- Enumerated
- 2006-07-26
- Last updated
- 2026-01-22
- Certified
- 2026-01-22
Frequently asked questions
- What is Jack Ohringer's NPI number?
- Jack Ohringer's National Provider Identifier (NPI) is 1285658393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Ohringer's specialty?
- Jack Ohringer is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Ohringer located?
- Jack Ohringer's practice location on file with NPPES is 315 W Carpenter St Fl 1, Springfield, IL 62702-4901.
- What is Jack Ohringer's phone number?
- The practice phone number listed in the NPPES registry for Jack Ohringer is (217) 545-8000.
- Does Jack Ohringer accept Medicare?
- Jack Ohringer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jack Ohringer's NPI active?
- Yes — Jack Ohringer's NPI (1285658393) is active in the NPPES registry as of the last update on 2026-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.