Robert Lapp, M.D.
NPI 1588829436 · Gastroenterology Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Lapp, M.D. is a Gastroenterology Physician provider in Sioux Falls, SD (NPI 1588829436).
Provider details
- NPI number
- 1588829436
- 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
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,457 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 Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 316 | $69 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 309 | $116 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 133 | $232 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 120 | $76 |
| Ultrasound Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope Through Mouth43237 | 77 | $133 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
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 |
|---|---|---|
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 373 | 359 |
| Omeprazole | 210 | 86 |
| Ondansetron Hcl | 207 | 199 |
| Ondansetronbrand: Ondansetron Odt | 136 | 134 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Gavilyte-N | 77 | 73 |
| Pantoprazole Sodium | 20 | 14 |
| Peg3350/Sod Sulf,bicarb,cl/Kcl |
Practice location
Mailing address
Additional practice locations (1)
- 1417 S. Cliff Ave.Ste. 300Sioux Falls, SD 57105-1062Phone: (605) 322-8630Fax: (605) 322-8631
Registry dates
- Enumerated
- 2008-07-21
- Last updated
- 2019-10-31
Frequently asked questions
- What is Robert Lapp's NPI number?
- Robert Lapp's National Provider Identifier (NPI) is 1588829436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Lapp's specialty?
- Robert Lapp is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Lapp located?
- Robert Lapp's practice location on file with NPPES is 6100 S Louise Ave Ste 3100, Sioux Falls, SD 57108-6021.
- What is Robert Lapp's phone number?
- The practice phone number listed in the NPPES registry for Robert Lapp is (605) 504-1400.
- Does Robert Lapp accept Medicare?
- Robert Lapp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Lapp's NPI active?
- Yes — Robert Lapp's NPI (1588829436) is active in the NPPES registry as of the last update on 2019-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.