Thomas Kramer, M.D.
NPI 1235146465 · Gastroenterology Physician · Westerville, OH
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Kramer, M.D. is a Gastroenterology Physician provider in Westerville, OH (NPI 1235146465).
Provider details
- NPI number
- 1235146465
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35049499 (OH)
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
19 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
342 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 Large Bowel Using a Flexible Endoscope45380 | 73 | $108 |
| Destruction of Polyp Or Growth of Large Bowel Using a Flexible Endoscope45388 | 68 | $252 |
| Colorectal Cancer Screening; Colonoscopy on Individual Not Meeting Criteria for High RiskG0121 | 51 | $171 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 49 | $75 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 44 | $143 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 110 | 36 |
| Pantoprazole Sodium | 40 | — |
| Mesalamine | 23 | — |
| Colestipol Hcl | 21 | — |
| Linaclotidebrand: Linzess | 20 | — |
| Sulfasalazinebrand: Sulfasalazine Dr | 17 | — |
| Ondansetron Hcl | 17 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$614 across 37 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
- 2006-08-01
- Last updated
- 2025-05-16
- Certified
- 2025-05-01
Frequently asked questions
- What is Thomas Kramer's NPI number?
- Thomas Kramer's National Provider Identifier (NPI) is 1235146465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Kramer's specialty?
- Thomas Kramer is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Kramer located?
- Thomas Kramer's practice location on file with NPPES is 477 Cooper Rd Ste 440, Westerville, OH 43081-8055.
- What is Thomas Kramer's phone number?
- The practice phone number listed in the NPPES registry for Thomas Kramer is (614) 863-0569.
- Does Thomas Kramer accept Medicare?
- Thomas Kramer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Kramer's NPI active?
- Yes — Thomas Kramer's NPI (1235146465) is active in the NPPES registry as of the last update on 2025-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.