Mark Catherall, M.D.
NPI 1235169251 · Hospitalist Physician · Racine, WI
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Catherall, M.D. is a Hospitalist Physician provider in Racine, WI (NPI 1235169251).
Provider details
- NPI number
- 1235169251
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 47836 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
735 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 451 | $72 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 111 | $106 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 77 | $160 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 73 | $46 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 23 | $75 |
Typical Medicare-allowed amounts for these services range $46–$160 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 |
|---|---|---|
| Furosemide | 24 | 18 |
| Cefuroxime Axetilbrand: Cefuroxime | 24 | 24 |
| Metoprolol Succinate | 18 | — |
| Pantoprazole Sodium | 18 | 14 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 18 | 11 |
| Atorvastatin Calcium | 13 | — |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-04
- Last updated
- 2017-06-05
Frequently asked questions
- What is Mark Catherall's NPI number?
- Mark Catherall's National Provider Identifier (NPI) is 1235169251, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Catherall's specialty?
- Mark Catherall is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Catherall located?
- Mark Catherall's practice location on file with NPPES is 3801 Spring St, Racine, WI 53405-1667.
- What is Mark Catherall's phone number?
- The practice phone number listed in the NPPES registry for Mark Catherall is (262) 687-4011.
- Does Mark Catherall accept Medicare?
- Mark Catherall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Catherall's NPI active?
- Yes — Mark Catherall's NPI (1235169251) is active in the NPPES registry as of the last update on 2017-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.