Quick answers
- Does Douglas L. Michaelsen accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas L. Michaelsen 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 Douglas L. Michaelsen see?
- In 2024, CMS data shows 419 Original Medicare patients and 1,691 services for Douglas L. Michaelsen. This counts Original Medicare only and measures volume, not quality.
- What is Douglas L. Michaelsen's NPI number?
- 1932191269. 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 Douglas L. Michaelsen, 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 | 419 |
|---|---|
| Services billed to Medicare | 1,691 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- 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's (G2211)614 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)295 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)282 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)232 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)84 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)51%
- Diabetes45%
- Arthritis42%
- Chronic kidney disease42%
Hospitals where Douglas L. Michaelsen works
Medicare's Facility Affiliation Data lists Douglas L. Michaelsen 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.
- Bon Secours-St Francis Xavier HospitalCharleston, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420065
- Colleton Medical CenterWalterboro, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420030
- Roper HospitalCharleston, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420087
- Roper St Francis Hospital-Berkeley IncSummerville, SC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 420110
- Trident Medical CenterCharleston, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420079
Practice locations
Addresses where Douglas L. Michaelsen is enrolled with Medicare (CMS data updated October 2, 2026).
- 2085 Henry Tecklenburg DrCharleston, SC 29414 (843) 577‑6957
- 2910 Tricom StN Charleston, SC 29406 (843) 572‑9211
Group practices
Medicare enrollment lists Douglas L. Michaelsen as a member of this group (CMS data updated October 2, 2026).
- Bon Secours St Francis Xavier Hospital Inc207 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Charleston
Clinicians with the same Medicare primary specialty in Charleston, SC — not a recommendation.
Other clinicians in Bon Secours St Francis Xavier Hospital Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wake Forest University School Of Medicine |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932191269 |
| 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