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

James Aaron McLennan, MD

Individual provider Hospitalist Physician · NPI 1487004511

James Aaron McLennan, MD is a Family Practice in Casper, Wyoming. Qualified in 2015, 11 years ago. Practices with Mt Grant General Hospital, a 16-clinician group and accepts Medicare assignment. Licensed in Nevada.

Years since qualifying
11
Licensed in
NV
In the registry since
2016
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

1522 E A St
Casper, WY 82601-2217
Phone: (307) 234-6161
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 19022 (NV)
Hospitalist Physician Taxonomy 208M00000X · Licence 19022 (NV)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1487004511
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 20, 2016
Last updated in NPPESOctober 7, 2022
Certification dateOctober 7, 2022
Mailing address1522 E A St, Casper, WY 82601-2217

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Mt Grant General Hospital — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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