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

Individual provider Emergency Medicine Physician · NPI 1891780029

Frederick Johnson, MD is an Emergency Medicine in Rock Springs, Wyoming. Graduated from Northwestern University Feinberg Medical School in 1976, 50 years ago. Practices with Sunset Emergency Physicians LLC, a 16-clinician group and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
50
Trained at
Northwestern University Feinberg Medical School
Licensed in
IN
In the registry since
2005
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

1200 College Dr
Rock Springs, WY 82901-5868
Phone: (307) 352-8350
Fax: (307) 352-8178
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 01028913 (IN)

Record details

NPI number1891780029
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 14, 2005
Last updated in NPPESMay 7, 2008

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1976 (50 years in practice)
Group practice Sunset Emergency Physicians Llc — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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