Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Mark P Peterson, MD

Individual provider Anesthesiology Physician · NPI 1841391000

Mark P Peterson, MD practises Anesthesiology in Lafayette, Indiana. Graduated from University of Minnesota Medical School in 1978, 48 years ago. Practices with Benefis Hospitals Inc, a 398-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Indiana and Montana.

Years since qualifying
48
Trained at
University of Minnesota Medical School
Licensed in
IN, MT
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5165 McCarty Ln
Lafayette, IN 47905-8764
Phone: (765) 448-8000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 401 15th Ave S, Great Falls, MT 59405-4334 — (406) 727-6311

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 01096337A (IN)
Anesthesiology Physician Taxonomy 207L00000X · Licence 4757 (MT)

Record details

NPI number1841391000
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 26, 2006
Last updated in NPPESJuly 16, 2025
Certification dateJuly 16, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Also practisesPAIN MANAGEMENT
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1978 (48 years in practice)
Group practice Benefis Hospitals Inc — 398 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients48
Services billed 49 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Benefis Hospitals Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 398 clinicians in the practice; 12 are shown here.

Other providers in Lafayette