Kevin Peifer, M.D.
NPI 1699751446 · Gastroenterology Physician · Rockford, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kevin Peifer, M.D. is a Gastroenterology Physician provider in Rockford, IL (NPI 1699751446).
Provider details
- NPI number
- 1699751446
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 36114937 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
729 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 151 | $32 |
| 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 | 109 | $6 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 77 | $85 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 77 | $125 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 76 | $122 |
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 |
|---|---|---|
| Omeprazole | 249 | 74 |
| Pantoprazole Sodium | 68 | 23 |
| Famotidine | 56 | 19 |
| Ursodiol | 37 | — |
| Nortriptyline Hcl | 35 | — |
| Furosemide | 20 | — |
| Rifaximinbrand: Xifaxan | 18 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-22
- Last updated
- 2007-09-06
Frequently asked questions
- What is Kevin Peifer's NPI number?
- Kevin Peifer's National Provider Identifier (NPI) is 1699751446, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kevin Peifer's specialty?
- Kevin Peifer is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Kevin Peifer located?
- Kevin Peifer's practice location on file with NPPES is 401 Roxbury Rd, Rockford, IL 61107-5075.
- What is Kevin Peifer's phone number?
- The practice phone number listed in the NPPES registry for Kevin Peifer is (815) 397-7340.
- Does Kevin Peifer accept Medicare?
- Kevin Peifer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kevin Peifer's NPI active?
- Yes — Kevin Peifer's NPI (1699751446) is active in the NPPES registry as of the last update on 2007-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.