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

John Gabriel Rolshoven, MD

Individual provider Sports Medicine (Emergency Medicine) Physician · NPI 1588238331

John Gabriel Rolshoven, MD is an Emergency Medicine in Sparks, Nevada. Qualified in 2021, 5 years ago. Practices with Brown Calvanese Cameron Ltd, a 42-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Nevada.

Years since qualifying
5
Licensed in
NV
In the registry since
2021
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2385 E Prater Way Ste 205
Sparks, NV 89434-9688
Phone: (775) 356-4888
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1155 Mill St, Reno, NV 89502-1576 — (775) 324-4040
  • 10101 Double R Blvd, Reno, NV 89521-5931 — (775) 324-4040

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 27781 (NV)
Sports Medicine (Emergency Medicine) Physician Taxonomy 207PS0010X · Licence 27781 (NV)

Record details

NPI number1588238331
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 17, 2021
Last updated in NPPESApril 2, 2026
Certification dateApril 2, 2026

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Brown Calvanese Cameron Ltd — 42 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount