Quick answers
- Does Karen E. Von Haam accept Medicare assignment?
- Yes. Medicare's clinician data says Karen E. Von Haam 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 Karen E. Von Haam see?
- In 2024, CMS data shows 301 Original Medicare patients and 1,229 services for Karen E. Von Haam. This counts Original Medicare only and measures volume, not quality.
- What is Karen E. Von Haam's NPI number?
- 1558342790. 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 Karen E. Von Haam, 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 | 301 |
|---|---|
| Services billed to Medicare | 1,229 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)382 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)336 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)168 services
- Transitional care management services for problem of high complexity (99496)33 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)30 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 pressure71%
- High cholesterol62%
- Arthritis39%
- Chronic kidney disease26%
- Osteoporosis25%
- Ischemic heart disease21%
Hospitals where Karen E. Von Haam works
Medicare's Facility Affiliation Data lists Karen E. Von Haam 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.
- Cape Cod HospitalHyannis, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220012
- Falmouth HospitalFalmouth, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220135
Practice locations
Addresses where Karen E. Von Haam is enrolled with Medicare (CMS data updated October 2, 2026).
- 270 Teaticket Hwy, Suite 1aTeaticket, MA 02536 (508) 540‑7423
Specialties
- Family Practiceprimary
Other family doctors in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558342790 |
| 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