Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Claire Alexandra Mastel, PA-C

Individual provider Physician Assistant · NPI 1871178202

Claire Alexandra Mastel, PA-C is a Physician Assistant in Billings, Montana. Qualified in 2020, 6 years ago. Practices with Frontier Psychiatry PLLC, a 33-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Montana.

Years since qualifying
6
Licensed in
MT
In the registry since
2021
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

820 Division St
Billings, MT 59101-2049
Phone: (406) 294-5225
Fax: (406) 294-5226
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 27 N 27th St Ste 21e, Billings, MT 59101-2373 — (406) 200-8471

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence MED-PAC-LIC-90826 (MT)

Record details

NPI number1871178202
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedMarch 17, 2021
Last updated in NPPESJuly 11, 2023
Certification dateJuly 11, 2023

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Frontier Psychiatry Pllc — 33 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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