Quick answers
- Does Stanley C. Henjum Ii accept Medicare assignment?
- Yes. Medicare's clinician data says Stanley C. Henjum Ii 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 Stanley C. Henjum Ii see?
- In 2024, CMS data shows 1,229 Original Medicare patients and 4,043 services for Stanley C. Henjum Ii. This counts Original Medicare only and measures volume, not quality.
- What is Stanley C. Henjum Ii's NPI number?
- 1144200486. 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 Stanley C. Henjum Ii, 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 | 1,229 |
|---|---|
| Services billed to Medicare | 4,043 |
| Different services or procedures | 69 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,170 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)985 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)296 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)282 services
- Programming of dual lead pacemaker system (93280)206 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%
- Arthritis45%
- Ischemic heart disease43%
- Atrial fibrillation42%
- Heart failure33%
Hospitals where Stanley C. Henjum Ii works
Medicare's Facility Affiliation Data lists Stanley C. Henjum Ii 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.
- Marshall Medical CenterPlacerville, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050254
- Sutter Medical Center, SacramentoSacramento, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050108
Practice locations
Addresses where Stanley C. Henjum Ii is enrolled with Medicare (CMS data updated October 2, 2026).
- 1004 Fowler Way, Suite 4Placerville, CA 95667 (530) 626‑9488
Group practices
Medicare enrollment lists Stanley C. Henjum Ii as a member of this group (CMS data updated October 2, 2026).
- Marshall Medical Center176 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in California →
Other cardiologists in Placerville
Clinicians with the same Medicare primary specialty in Placerville, CA — not a recommendation.
Other clinicians in Marshall Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144200486 |
| 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