Jason Kramer, M.D.
NPI 1366891491 · Gastroenterology Physician · Elmhurst, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Kramer, M.D. is a Gastroenterology Physician provider in Elmhurst, IL (NPI 1366891491).
Provider details
- NPI number
- 1366891491
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
271 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 | 44 | $115 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 37 | $269 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 32 | $136 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 32 | $124 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 30 | $104 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 95 | 47 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 57 | 54 |
| Pantoprazole Sodium | 46 | 22 |
| Linaclotidebrand: Linzess | 30 | 15 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 25 | 24 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 17 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-06-09
- Last updated
- 2022-07-27
- Certified
- 2022-07-27
Frequently asked questions
- What is Jason Kramer's NPI number?
- Jason Kramer's National Provider Identifier (NPI) is 1366891491, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Kramer's specialty?
- Jason Kramer is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Kramer located?
- Jason Kramer's practice location on file with NPPES is 133 E Brush Hill Rd Ste 310, Elmhurst, IL 60126-5662.
- What is Jason Kramer's phone number?
- The practice phone number listed in the NPPES registry for Jason Kramer is (331) 221-9003.
- Does Jason Kramer accept Medicare?
- Jason Kramer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Kramer's NPI active?
- Yes — Jason Kramer's NPI (1366891491) is active in the NPPES registry as of the last update on 2022-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.