Mark M. Walsh, MD
Emergency Medical Services (Emergency Medicine) Physician · South Bend, IN
Mark M. Walsh, MD is an emergency medical services (emergency medicine) physician with a practice address in South Bend, Indiana, and NPI 1427048099, issued on Oct 25, 2005. Check the license (Indiana 01035916A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Mark M. Walsh
- Credential
- MD
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- 01035916A IN
Self-reported in NPPES; status is on the state search - Practice location
- 801 E Lasalle, South Bend, IN 46617
- Phone
- (574) 237-7111
- Enumerated
- Oct 25, 2005
- Record last updated
- Oct 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (574) 273-1137
- Medicaid ID
- 100318660 IN
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 51 in Indiana → Look up another NPI →
Also registered at 801 E Lasalle
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela Gallagher, CCC SLPSpeech-Language Pathologist1114077294
Verify Mark M. Walsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01035916ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
255 Medicare Part D claims for 109 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 20 claims were for opioids.
Most prescribed
- Ondansetron Odt38 claims
- Hydroxyzine Pamoate18 claims
- Naproxen15 claims
- Prednisone14 claims
- Hydrocodone-Acetaminophen12 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.
Industry payments in 2024: $163.37
3 payments; by number, the most common kind was food and beverage; the largest payer was Eisai Inc. The 489 providers of this specialty with any payment received $337.59 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 M. Walsh among 51 emergency medical services (emergency medicine) physician records in Indiana
Mark M. Walsh, MD is one of 51 emergency medical services (emergency medicine) physician records with a practice address in Indiana. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 31% of these records are
- Record last updated2008 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Indiana
There are 51 emergency medical services (emergency medicine) physician records in Indiana.
All 51 in Indiana → Every provider in South Bend → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Aaron Crofoot, M.D.South Bend, IN 466171285994434
- James Devereaux, MDSouth Bend, IN 466171245292903
- George Knowles, MDSouth Bend, IN 466171952364218
- Randall Cammenga, MDElkhart, IN 465141154321107
- Kathrine Hughes, M.D.Elkhart, IN 465141699971325
- Daniel Maas, MDElkhart, IN 465141942292735
- Bruce Newswanger, DOElkhart, IN 465141740257914
- David Reser, MDElkhart, IN 465141871561738
Common questions
What is Mark M. Walsh, MD's NPI number?
Mark M. Walsh, MD's National Provider Identifier (NPI) is 1427048099, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark M. Walsh, MD located?
The NPPES record lists a practice address at 801 E Lasalle, South Bend, IN, 46617. Phone: (574) 237-7111. Providers update this record themselves, so call before visiting.
How can I verify Mark M. Walsh, MD's license?
NPPES lists Indiana license number 01035916A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark M. Walsh, MD prescribe under Medicare Part D?
In 2024, Mark M. Walsh, MD had 255 Medicare Part D claims for 109 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. Part D covers Medicare prescriptions only.
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.