Mark Reichelderfer, MD
NPI 1699736512 · Gastroenterology Physician · Madison, WI
Mark Reichelderfer, MD is a Gastroenterology Physician provider in Madison, WI (NPI 1699736512).
Provider details
- NPI number
- 1699736512
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 21068 (WI)
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
106 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 72 | $60 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 34 | $15 |
Typical Medicare-allowed amounts for these services range $15–$60 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
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 |
|---|---|---|
| Omeprazole | 26 | 11 |
| Loperamide Hclbrand: Loperamide | 23 | — |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 20 | — |
| Balsalazide Disodium | 19 | — |
| Dicyclomine Hcl | 16 | — |
| Ciprofloxacin Hcl | 14 | — |
| Famotidine | 14 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-30
- Last updated
- 2025-12-29
- Certified
- 2025-12-29
Frequently asked questions
- What is Mark Reichelderfer's NPI number?
- Mark Reichelderfer's National Provider Identifier (NPI) is 1699736512, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Reichelderfer's specialty?
- Mark Reichelderfer is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Reichelderfer located?
- Mark Reichelderfer's practice location on file with NPPES is 513 Ozark Trl, Madison, WI 53705-2538.
- What is Mark Reichelderfer's phone number?
- The practice phone number listed in the NPPES registry for Mark Reichelderfer is (608) 238-8235.
- Is Mark Reichelderfer's NPI active?
- Yes — Mark Reichelderfer's NPI (1699736512) is active in the NPPES registry as of the last update on 2025-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.