Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Lars E Peterson, MD

Individual provider Internal Medicine Physician · NPI 1023110640

Mr. Lars E Peterson, MD is an Internal Medicine in Laramie, Wyoming. Graduated from Creighton University School of Medicine in 2000, 26 years ago. Practices with Ivinson Memorial Hospital, a 60-clinician group and accepts Medicare assignment. Licensed in Wyoming.

Years since qualifying
26
Trained at
Creighton University School of Medicine
Licensed in
WY
In the registry since
2006
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

255 N 30th St
Laramie, WY 82072-5140
Phone: (307) 742-2141
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 6962A (WY)

Record details

NPI number1023110640
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 3, 2006
Last updated in NPPESOctober 31, 2012
Mailing address320 S 7th St, Laramie, WY 82070-3822

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolCREIGHTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Ivinson Memorial Hospital — 60 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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