Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Benjamin Michael Chalstrom, PA-C

Individual provider Urgent Care Clinic/Center · NPI 1134833445

Benjamin Michael Chalstrom, PA-C is a Physician Assistant in Harriman, Tennessee. Qualified in 2022, 4 years ago. Practices with Dx MSO PLLC, a 91-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
4
Licensed in
TN
In the registry since
2023
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

1855 Tanner Way Ste 220
Harriman, TN 37748-8332
Phone: (865) 882-2442
Fax: (865) 374-2123
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5150 N Broadway St, Knoxville, TN 37918-2342 — (865) 549-5111

Specialties & licences

Urgent Care Clinic/Center (primary) Taxonomy 261QU0200X
Physician Assistant Taxonomy 363A00000X · Licence 5396 (TN)

Record details

NPI number1134833445
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorYes
NPI enumeratedJanuary 11, 2023
Last updated in NPPESJune 4, 2026
Certification dateJune 4, 2026

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Dx Mso Pllc — 91 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients185
Services billed 618 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Dx MSO PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 91 clinicians in the practice; 12 are shown here.

Other providers in Harriman