Dr. Mark A. Ludwig, MD
- Medicare services, 2024
- 377
- Medicare patients, 2024
- 92
- Part D claims, 2024
- 43
- Hospital affiliations
- 2
- Industry payments
- $1,267
- Practice address
- 3015 N Ballas Rd, Saint Louis, MO 63131
- Practice phone
- Call (314) 996-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ludwig'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. Mark A. Ludwig is a general surgeon in Saint Louis, Missouri
Dr. Ludwig practices at Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health.
Dr. Ludwig's NPI, 1841220498, was assigned on July 3, 2006. Dr. Ludwig graduated from Chicago College of Medicine and Surgery in 1976. Dr. Ludwig holds Missouri license R8139.
- NPI
- 1841220498NPI Registry (opens in a new tab)
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Practice phone
- (314) 996-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mark A. Ludwig practices at Missouri Baptist Medical Center in Saint Louis, Missouri
Dr. Ludwig's primary practice is Missouri Baptist Medical Center, at 3015 N Ballas Rd, Saint Louis, MO 63131 in St. Louis County. The practice phone is (314) 996-5000.
- Missouri Baptist Medical Center3015 N Ballas Rd, Saint Louis, MO 63131 · St. Louis CountyPhone(314) 996-5000
Source: Dmand AI Affiliation Data
Dr. Mark A. Ludwig is affiliated with 2 sites of care and 1 medical group
Dr. Ludwig's primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. The medical group on file is Healogics Specialty Physicians. Dmand AI also links Dr. Ludwig to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark A. Ludwig's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ludwig practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Missouri Baptist Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark A. Ludwig is one of 593 general surgeons in Missouri
Surgery is Dr. Ludwig's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ludwig is licensed in Missouri.
Specialties and state licenses
- Surgery, MissouriPrimary
General surgeons near Dr. Ludwig
Counts of general surgeons 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. Mark A. Ludwig billed Medicare for 377 services in 2024
CMS data shows 377 Medicare services from Dr. Ludwig across 8 procedure codes in 2024, for 92 Medicare patients. Medicare paid $17,716 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ludwig's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1,5392024: 16190%
- Office and hospital visits
- 2023: 8212024: 13883%
- Other services
- 2023: 1092024: 5847%
- Tests and treatments
- 2023: 3162024: 2094%
Dr. Ludwig compared with the Missouri median for general surgeons, 2024
- Dr. Ludwig
- Missouri median
- Medicare services
- 377vs 1692.2 times
- Medicare patients
- 92vs 12728% below
- Part D claims
- 14vs 4166% below
Medians across 570 general surgeons in Missouri with Dmand AI profiles that report each measure.
Dr. Ludwig'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. Ludwig and other general surgeons in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark A. Ludwig treated 92 Medicare patients in 2024, average age 79
CMS counts 92 Medicare patients who saw Dr. Ludwig in 2024. The largest group is 75 to 84, with 33 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 3.50, 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. Ludwig's median patient age at 79, with 42% women.
Dr. Ludwig's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ludwig's Medicare patients by sex, 2024
- Women4347%
- Men4953%
Chronic conditions among Dr. Ludwig's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Heart failure63%
- Ischemic heart disease55%
- Chronic kidney disease52%
- Atrial fibrillation51%
- Mood disorders42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ludwig's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark A. Ludwig wrote 43 Medicare Part D claims in 2024
In 2024, Dr. Ludwig wrote 43 Medicare Part D claims for 26 patients. 100% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $174 in total drug cost. In 2023, CMS named 180 claims across 7 drugs.
Dr. Ludwig's most prescribed drugs by claims, 2024
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. Ludwig's Part D claims, 2024
- Antibiotics33%14 of 43 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1802024: 1492%
Drugs named by CMS: 1 in 2024, 7 in 2023.
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
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Dr. Mark A. Ludwig received $1,267 in industry payments from 2016 to 2024
CMS Open Payments shows 58 general payments to Dr. Ludwig from 15 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Organogenesis Inc. paid the most, $494.
General payments to Dr. Ludwig by program year, 2016 to 2024
Companies that paid Dr. Ludwig the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark A. Ludwig graduated from Chicago College of Medicine and Surgery
Dr. Ludwig graduated from Chicago College of Medicine and Surgery in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark A. Ludwig'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) |
| 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. Mark A. Ludwig
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. Mark A. Ludwig's NPI number?
Dr. Mark A. Ludwig's NPI number is 1841220498. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark A. Ludwig?
Dr. Mark A. Ludwig is a general surgeon in Saint Louis, Missouri. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Mark A. Ludwig practice?
Dr. Ludwig practices at 3015 N Ballas Rd, Saint Louis, MO 63131. Dr. Ludwig's primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Ludwig to 1 hospital.
What is Dr. Mark A. Ludwig's office phone number?
The practice phone on file for Dr. Ludwig is (314) 996-5000.
What is Dr. Mark A. Ludwig's medical license number?
Dr. Ludwig holds Missouri license R8139.
Which hospitals is Dr. Mark A. Ludwig affiliated with?
Dr. Ludwig practices at Missouri Baptist Medical Center in Saint Louis, Missouri. Dmand AI links Dr. Ludwig to 1 more hospital.
What medical group is Dr. Mark A. Ludwig part of?
Dr. Ludwig is linked to Healogics Specialty Physicians.
Does Dr. Mark A. Ludwig accept Medicare?
Yes. CMS data shows Dr. Ludwig billed Medicare for 377 services in 2024.
How many Medicare patients does Dr. Mark A. Ludwig see?
CMS counts 92 Medicare patients who saw Dr. Ludwig in 2024, with an average age of 79.
What services does Dr. Mark A. Ludwig bill to Medicare?
In 2024, Dr. Ludwig's most billed Medicare services were surgery: skin and soft tissue (11042), office visit, established patient (99213) and office visit, established patient (99214).
Show 4 more questionsShow fewer questions
Where did Dr. Mark A. Ludwig go to medical school?
Dr. Ludwig graduated from Chicago College of Medicine and Surgery in 1976.
What drugs does Dr. Mark A. Ludwig prescribe most?
In 2024 Medicare Part D data, Dr. Ludwig's most prescribed drugs by claims were Pentoxifylline.
Has Dr. Mark A. Ludwig received payments from drug or device companies?
CMS Open Payments shows $1,267 in general payments to Dr. Ludwig from 15 companies from 2016 to 2024. The largest total came from Organogenesis Inc.
How long has Dr. Mark A. Ludwig been practicing?
Dr. Ludwig graduated from medical school in 1976, 50 years ago.
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