Stephen Carlson, MD
NPI 1699743518 · Gastroenterology Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Carlson, MD is a Gastroenterology Physician provider in Indianapolis, IN (NPI 1699743518).
Provider details
- NPI number
- 1699743518
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01049970A (IN)
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
830 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) |
|---|---|---|
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 231 | $5 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 107 | $76 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 101 | $129 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 74 | $229 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 63 |
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 | 232 | 82 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 192 | 183 |
| Famotidine | 113 | 41 |
| Pantoprazole Sodium | 103 | 35 |
| Ondansetronbrand: Ondansetron Odt | 82 | 79 |
| Ondansetron Hcl | 58 | 55 |
| Linaclotidebrand: Linzess | 31 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$121 across 5 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
- 2006-03-08
- Last updated
- 2023-11-27
- Certified
- 2020-09-16
Frequently asked questions
- What is Stephen Carlson's NPI number?
- Stephen Carlson's National Provider Identifier (NPI) is 1699743518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Carlson's specialty?
- Stephen Carlson is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Carlson located?
- Stephen Carlson's practice location on file with NPPES is 7950 N Shadeland Avenue, Indianapolis, IN 46250.
- What is Stephen Carlson's phone number?
- The practice phone number listed in the NPPES registry for Stephen Carlson is (317) 578-2600.
- Does Stephen Carlson accept Medicare?
- Stephen Carlson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Carlson's NPI active?
- Yes — Stephen Carlson's NPI (1699743518) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.