Quick answers
- Does Kevin P. Dehaan accept Medicare assignment?
- Yes. Medicare's clinician data says Kevin P. Dehaan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Kevin P. Dehaan see?
- In 2024, CMS data shows 651 Original Medicare patients and 746 services for Kevin P. Dehaan. This counts Original Medicare only and measures volume, not quality.
- What is Kevin P. Dehaan's NPI number?
- 1912265174. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Kevin P. Dehaan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 651 |
|---|---|
| Services billed to Medicare | 746 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)488 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)213 services
- Advance care planning, first 30 minutes (99497)28 services
- Smoking and tobacco use intensive counseling, 4-10 minutes (99406)11 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Ischemic heart disease50%
- Chronic kidney disease50%
- Heart failure48%
Hospitals where Kevin P. Dehaan works
Medicare's Facility Affiliation Data lists Kevin P. Dehaan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260032
- Barnes-Jewish West County HospitalCreve Coeur, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260162
- Memorial HospitalBelleville, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140185
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260108
- Missouri Baptist Sullivan HospitalSullivan, MO · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 261337
Practice locations
Addresses where Kevin P. Dehaan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1110 Highlands Plaza Dr ESaint Louis, MO 63110 (314) 273‑0195
- 2630 Hwy KO Fallon, MO 63368 (636) 240‑5454
- 3015 N Ballas RdSaint Louis, MO 63131 (314) 996‑5772
Group practices
Medicare enrollment lists Kevin P. Dehaan as a member of this group (CMS data updated October 2, 2026).
- Physician Groups LC521 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Other clinicians in Physician Groups LC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Geisel School Of Medicine At Dartmouth |
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912265174 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians