Karen Steffer, M.D.
NPI 1831395995 · Gastroenterology Physician · Southlake, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Steffer, M.D. is a Gastroenterology Physician provider in Southlake, TX (NPI 1831395995).
Provider details
- NPI number
- 1831395995
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- P1932 (TX)
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
487 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 95 | $126 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 91 | $243 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 88 | $95 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 34 | $173 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 31 | $164 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 266 | 88 |
| Ondansetronbrand: Ondansetron Odt | 203 | 189 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 130 | 130 |
| Dicyclomine Hcl | 84 | 34 |
| Omeprazole | 66 | 23 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 61 | 60 |
| Famotidine | 43 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$74 across 4 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
- 2007-06-25
- Last updated
- 2013-08-15
Frequently asked questions
- What is Karen Steffer's NPI number?
- Karen Steffer's National Provider Identifier (NPI) is 1831395995, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Steffer's specialty?
- Karen Steffer is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Steffer located?
- Karen Steffer's practice location on file with NPPES is 505 S Nolen Dr, Southlake, TX 76092-9167.
- What is Karen Steffer's phone number?
- The practice phone number listed in the NPPES registry for Karen Steffer is (817) 424-1525.
- Does Karen Steffer accept Medicare?
- Karen Steffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Steffer's NPI active?
- Yes — Karen Steffer's NPI (1831395995) is active in the NPPES registry as of the last update on 2013-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.