Mark A. Ludwig, M.D.
Surgery Physician · Saint Louis, MO
Mark A. Ludwig, M.D. is a surgery physician with a practice address in Saint Louis, Missouri, and NPI 1841220498, issued on Jul 3, 2006. Check the license (Missouri R8139, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Mark A. Ludwig
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- R8139 MO
Self-reported in NPPES; status is on the state search - Practice location
- 3015 N Ballas RD, Saint Louis, MO 63131
- Phone
- (314) 996-4810
- Enumerated
- Jul 3, 2006
- Record last updated
- May 20, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (314) 996-4815
- Medicaid ID
- 201682838 MO
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 714 in Missouri → Look up another NPI →
Also registered at 3015 N Ballas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Abeln, CRNACertified Registered Nurse Anesthetist1851566970
- Nancy Adams, FNP - BCFamily Nurse Practitioner1497280796
- Emmanuel Agyemang, MDHospitalist Physician1235831975
- Ayaz Ahmad, MDInternal Medicine Physician1629573142
- Bazgha AhmadHospitalist Physician1841517158
- Nusrat Ahmad, MDObstetrics & Gynecology Physician1114966348
Verify Mark A. Ludwig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R8139Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average surgery physician in 2024
43 Medicare Part D claims for 26 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Pentoxifylline14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 81.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $42.63
2 payments; by number, the most common kind was food and beverage; the largest payer was Organogenesis Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark A. Ludwig among 714 surgery physician records in Missouri
Mark A. Ludwig, M.D. is one of 714 surgery physician records with a practice address in Missouri. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 62% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2016 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Missouri
There are 714 surgery physician records in Missouri.
All 714 in Missouri → Every provider in Saint Louis → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Proceso Arenos, MDSaint Louis, MO 631311245259498
- Daniel Hafenrichter, MDSaint Louis, MO 631311063483139
- Matthew Lange, DOSaint Louis, MO 631311063775716
- Christopher Pruett, M.D.Saint Louis, MO 631311427094705
- Linda Schulte, MDSaint Louis, MO 631311477967644
- Mardonio Yap, M.D.Saint Louis, MO 631311548495641
- G Yazdi, M.D.Saint Louis, MO 631311265477806
- Robert Beckman, M.D.Saint Louis, MO 631281083614622
Common questions
What is Mark A. Ludwig, M.D.'s NPI number?
Mark A. Ludwig, M.D.'s National Provider Identifier (NPI) is 1841220498, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Ludwig, M.D. located?
The NPPES record lists a practice address at 3015 N Ballas RD, Saint Louis, MO, 63131. Phone: (314) 996-4810. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Ludwig, M.D.'s license?
NPPES lists Missouri license number R8139, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark A. Ludwig, M.D. prescribe under Medicare Part D?
In 2024, Mark A. Ludwig, M.D. had 43 Medicare Part D claims for 26 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Mark A. Ludwig, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.