Quick answers
- Does Ludwig A. Lettau accept Medicare assignment?
- Yes. Medicare's clinician data says Ludwig A. Lettau 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 Ludwig A. Lettau see?
- In 2024, CMS data shows 245 Original Medicare patients and 1,407 services for Ludwig A. Lettau. This counts Original Medicare only and measures volume, not quality.
- What is Ludwig A. Lettau's NPI number?
- 1780674556. 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 Ludwig A. Lettau, 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 | 245 |
|---|---|
| Services billed to Medicare | 1,407 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)699 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)172 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)85 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)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%
- Chronic kidney disease58%
- Diabetes55%
- Arthritis54%
- Anxiety48%
Hospitals where Ludwig A. Lettau works
Medicare's Facility Affiliation Data lists Ludwig A. Lettau 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.
- MUSC Medical CenterCharleston, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420004
- Roper HospitalCharleston, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420087
- Trident Medical CenterCharleston, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420079
Practice locations
Addresses where Ludwig A. Lettau is enrolled with Medicare (CMS data updated October 2, 2026).
- 1520 Old Trolley Rd, Suite 101Summerville, SC 29485 (843) 402‑0227
- 1938 Charlie Hall Blvd, Unit BCharleston, SC 29414 (843) 402‑0227
- 1938 Charlie Hall Blvd Unit BCharleston, SC 29414
Group practices
Medicare enrollment lists Ludwig A. Lettau as a member of this group (CMS data updated October 2, 2026).
- Lowcountry Infectious Diseases PA14 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in South Carolina
Clinicians with the same Medicare primary specialty in South Carolina — not a recommendation.
Other clinicians in Lowcountry Infectious Diseases PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 1973 (53 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780674556 |
| 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