Dr. Ludwig A. Lettau, MD
- Medicare services, 2024
- 967
- Medicare patients, 2024
- 245
- Part D claims, 2024
- 23
- Hospital affiliations
- 3
- Industry payments
- $429
- Practice address
- 9330 Medical Plaza Dr, Charleston, SC 29406
- Practice phone
- Call (843) 847-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lettau's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ludwig A. Lettau is an infectious disease specialist in Charleston, South Carolina
Dr. Lettau practices at HCA Healthcare Trident Hospital in Charleston, South Carolina, part of HCA Healthcare.
Dr. Lettau's NPI, 1780674556, was assigned on October 24, 2005. Dr. Lettau graduated from University of Wisconsin School of Medicine in 1973. Dr. Lettau holds South Carolina license 12420.
- NPI
- 1780674556NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971515644
- NPI enumeration date
- October 24, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (843) 847-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ludwig A. Lettau practices at HCA Healthcare Trident Hospital in Charleston, South Carolina
Dr. Lettau's primary practice is HCA Healthcare Trident Hospital, at 9330 Medical Plaza Dr, Charleston, SC 29406 in Charleston County. The practice phone is (843) 847-4100.
- HCA Healthcare Trident Hospital9330 Medical Plaza Dr, Charleston, SC 29406 · Charleston CountyPhone(843) 847-4100
Source: Dmand AI Affiliation Data
Dr. Ludwig A. Lettau is affiliated with 4 sites of care and 1 medical group
Dr. Lettau's primary practice is HCA Healthcare Trident Hospital in Charleston, South Carolina, part of HCA Healthcare. Dr. Lettau is also affiliated with MUSC Health University Medical Center. The medical group on file is Lowcountry Infectious Diseases. Dmand AI also links Dr. Lettau to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ludwig A. Lettau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lettau practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HCA Healthcare Trident Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ludwig A. Lettau is one of 99 infectious disease specialists in South Carolina
Infectious disease is Dr. Lettau's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Lettau is licensed in South Carolina.
Specialties and state licenses
- Infectious disease, South CarolinaPrimary
Infectious disease specialists near Dr. Lettau
Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ludwig A. Lettau billed Medicare for 967 services in 2024
CMS data shows 967 Medicare services from Dr. Lettau across 4 procedure codes in 2024, for 245 Medicare patients. Medicare paid $65,441 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lettau's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1062024: 96713%
Dr. Lettau compared with the South Carolina median for infectious disease specialists, 2024
- Dr. Lettau
- South Carolina median
- Medicare services
- 967vs 2923.3 times
- Medicare patients
- 245vs 14174% above
- Part D claims
- 37vs 36190% below
Medians across 98 infectious disease specialists in South Carolina with Dmand AI profiles that report each measure.
Dr. Lettau's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lettau and other infectious disease specialists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ludwig A. Lettau treated 245 Medicare patients in 2024, average age 74
CMS counts 245 Medicare patients who saw Dr. Lettau in 2024. The largest group is 65 to 74, with 83 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.84, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lettau's median patient age at 61, with 50% women.
Dr. Lettau's Medicare patients by age, 2024
Dr. Lettau's Medicare patients by sex, 2024
- Women12149%
- Men12451%
Chronic conditions among Dr. Lettau's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease58%
- Diabetes55%
- Arthritis54%
- Anxiety48%
- Heart failure47%
- Atrial fibrillation44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lettau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ludwig A. Lettau wrote 23 Medicare Part D claims in 2024
In 2024, Dr. Lettau wrote 23 Medicare Part D claims. 91% of them were for generic drugs. They cover 3 drugs, with $4,587 in total drug cost. In 2021, CMS named 87 claims across 3 drugs.
Dr. Lettau's Part D claims by kind of drug, 2024
- Generic21 claims91%
- Brand-name and other2 claims9%
Dr. Lettau's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lettau's Part D claims, 2024
- Antibiotics100%23 of 23 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 872022: 3757%
Drugs named by CMS: 3 in 2022, 3 in 2021.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ludwig A. Lettau takes part in Medicare
Dr. Lettau accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ludwig A. Lettau received $429 in industry payments from 2016 to 2022
CMS Open Payments shows 24 general payments to Dr. Lettau from 9 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $143.
General payments to Dr. Lettau by program year, 2016 to 2022
Companies that paid Dr. Lettau the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ludwig A. Lettau graduated from University of Wisconsin School of Medicine
Dr. Lettau graduated from University of Wisconsin School of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ludwig A. Lettau's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ludwig A. Lettau
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ludwig A. Lettau's NPI number?
Dr. Ludwig A. Lettau's NPI number is 1780674556. It was assigned on October 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ludwig A. Lettau?
Dr. Ludwig A. Lettau is an infectious disease specialist in Charleston, South Carolina. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Ludwig A. Lettau practice?
Dr. Lettau practices at 9330 Medical Plaza Dr, Charleston, SC 29406. Dr. Lettau's primary practice is HCA Healthcare Trident Hospital in Charleston, South Carolina, part of HCA Healthcare. Dmand AI also links Dr. Lettau to 1 hospital and 1 group practice or clinic.
What is Dr. Ludwig A. Lettau's office phone number?
The practice phone on file for Dr. Lettau is (843) 847-4100.
What is Dr. Ludwig A. Lettau's medical license number?
Dr. Lettau holds South Carolina license 12420.
Which hospitals is Dr. Ludwig A. Lettau affiliated with?
Dr. Lettau practices at HCA Healthcare Trident Hospital in Charleston, South Carolina. Dr. Lettau is also affiliated with MUSC Health University Medical Center. Dmand AI links Dr. Lettau to 1 more hospital.
What medical group is Dr. Ludwig A. Lettau part of?
Dr. Lettau is linked to Lowcountry Infectious Diseases.
Does Dr. Ludwig A. Lettau accept Medicare?
Yes. CMS data shows Dr. Lettau billed Medicare for 967 services in 2024, and Dr. Lettau accepts Medicare assignment.
How many Medicare patients does Dr. Ludwig A. Lettau see?
CMS counts 245 Medicare patients who saw Dr. Lettau in 2024, with an average age of 74.
What services does Dr. Ludwig A. Lettau bill to Medicare?
In 2024, Dr. Lettau's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and hospital inpatient care (99233).
Show 4 more questionsShow fewer questions
Where did Dr. Ludwig A. Lettau go to medical school?
Dr. Lettau graduated from University of Wisconsin School of Medicine in 1973.
What drugs does Dr. Ludwig A. Lettau prescribe most?
In 2022 Medicare Part D data, Dr. Lettau's most prescribed drugs by claims were Vancomycin HCl, Ceftriaxone and Amikacin Sulfate.
Has Dr. Ludwig A. Lettau received payments from drug or device companies?
CMS Open Payments shows $429 in general payments to Dr. Lettau from 9 companies from 2016 to 2022. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Ludwig A. Lettau been practicing?
Dr. Lettau graduated from medical school in 1973, 53 years ago.
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