John Papp, MD
NPI 1417932872 · Gastroenterology Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Papp, MD is a Gastroenterology Physician provider in Grand Rapids, MI (NPI 1417932872).
Provider details
- NPI number
- 1417932872
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301069688 (MI)
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
481 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 | 177 | $45 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 87 | $374 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure, Each Additional 15 Minutes99153 | 65 | $10 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 50 | $274 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 28 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 680 | 215 |
| Pantoprazole Sodium | 217 | 62 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 197 | 193 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 148 | 147 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 96 | 95 |
| Famotidine | 77 | 28 |
| Balsalazide Disodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,790 across 99 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
- 2005-12-08
- Last updated
- 2026-01-05
- Certified
- 2026-01-05
Frequently asked questions
- What is John Papp's NPI number?
- John Papp's National Provider Identifier (NPI) is 1417932872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Papp's specialty?
- John Papp is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Papp located?
- John Papp's practice location on file with NPPES is 1179 E Paris Ave Se Ste 200, Grand Rapids, MI 49546-3682.
- What is John Papp's phone number?
- The practice phone number listed in the NPPES registry for John Papp is (616) 267-7414.
- Does John Papp accept Medicare?
- John Papp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Papp's NPI active?
- Yes — John Papp's NPI (1417932872) is active in the NPPES registry as of the last update on 2026-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.