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

Dr. Lawrence William O Holleran, MD

Individual provider Surgery Physician · NPI 1225004187

Dr. Lawrence William O Holleran, MD is a General Surgery in Cheyenne, Wyoming. Graduated from University of Nebraska College of Medicine in 1979, 47 years ago. Practices with Memorial Hospital of Laramie County, a 49-clinician group and accepts Medicare assignment. Licensed in Colorado, Nebraska and Wyoming.

Years since qualifying
47
Trained at
University of Nebraska College of Medicine
Licensed in
CO, NE, WY
In the registry since
2006
Specialties on file
3
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

614 W Dale Blvd
Cheyenne, WY 82009-5927
Phone: (307) 286-6840
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 6423A (WY)
Surgery Physician Taxonomy 208600000X · Licence 26688 (CO)
Surgery Physician Taxonomy 208600000X · Licence 16963 (NE)

Record details

NPI number1225004187
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 28, 2006
Last updated in NPPESMay 18, 2026
Certification dateMay 18, 2026

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolUNIVERSITY OF NEBRASKA COLLEGE OF MEDICINE
Graduated 1979 (47 years in practice)
Group practice Memorial Hospital Of Laramie County — 49 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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