Claire Alexandra Mastel, PA-C
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 600
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 27 N 27th St, Billings, MT 59101
- Practice phone
- Call (406) 284-8814
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Frontier Psychiatry
Billings, Montana
Find Claire Mastel's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Claire Alexandra Mastel is a physician assistant in Billings, Montana
Claire Mastel practices at Frontier Psychiatry in Billings, Montana.
Claire Mastel's NPI, 1871178202, was assigned on March 17, 2021. Claire Mastel holds Montana license MED-PAC-LIC-90826.
- NPI
- 1871178202NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911315734
- NPI enumeration date
- March 17, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (406) 284-8814
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Claire Alexandra Mastel practices at Frontier Psychiatry in Billings, Montana
Claire Mastel's primary practice is Frontier Psychiatry, at 27 N 27th St, Billings, MT 59101 in Yellowstone County. The practice phone is (406) 284-8814.
- Frontier Psychiatry27 N 27th St, Billings, MT 59101 · Yellowstone CountyPhone(406) 284-8814
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Claire Alexandra Mastel is affiliated with 3 sites of care and 2 medical groups
Claire Mastel's primary practice is Frontier Psychiatry in Billings, Montana. The medical group on file is Frontier Psychiatry. Dmand AI also links Claire Mastel to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Claire Alexandra Mastel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Claire Mastel practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Frontier Psychiatry | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Claire Alexandra Mastel is one of 656 physician assistants in Montana
Physician assistant is Claire Mastel's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Claire Mastel is licensed in Montana.
Specialties and state licenses
- Physician assistant, MontanaPrimary
Physician assistants near Claire Mastel
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Claire Alexandra Mastel treated 16 Medicare patients in 2024, average age 51
CMS counts 16 Medicare patients who saw Claire Mastel in 2024. 75% of them have anxiety, and 75% have depression. Their average risk score is 0.71, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Claire Mastel's median patient age at 34, with 71% women.
Chronic conditions among Claire Mastel's Medicare patients, 2024
- Anxiety75%
- Depression75%
- Mood disorders75%
Share of Medicare patients with each condition. A patient can have several.
Claire Mastel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women71%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Claire Alexandra Mastel wrote 600 Medicare Part D claims in 2024
In 2024, Claire Mastel wrote 600 Medicare Part D claims for 54 patients. 96% of them were for generic drugs.
Claire Mastel's Part D claims by kind of drug, 2024
- Generic575 claims96%
- Brand-name25 claims4%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Claire Alexandra Mastel offers telehealth to Medicare patients
Claire Mastel accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Claire Mastel as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Claire Alexandra Mastel's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Claire Alexandra Mastel
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Claire Alexandra Mastel's NPI number?
Claire Alexandra Mastel's NPI number is 1871178202. It was assigned on March 17, 2021, and it is active in the NPI Registry.
What does Claire Alexandra Mastel specialize in?
Claire Alexandra Mastel is a physician assistant in Billings, Montana. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Claire Alexandra Mastel practice?
Claire Mastel practices at 27 N 27th St, Billings, MT 59101. Claire Mastel's primary practice is Frontier Psychiatry in Billings, Montana. Dmand AI also links Claire Mastel to 2 group practices and clinics and 1 medical group.
What is Claire Alexandra Mastel's office phone number?
The practice phone on file for Claire Mastel is (406) 284-8814.
What is Claire Alexandra Mastel's medical license number?
Claire Mastel holds Montana license MED-PAC-LIC-90826.
What medical group is Claire Alexandra Mastel part of?
Claire Mastel is linked to Frontier Psychiatry. Dmand AI links Claire Mastel to 1 more medical group.
Does Claire Alexandra Mastel accept Medicare?
Yes. CMS lists Claire Mastel as accepting Medicare assignment.
Does Claire Alexandra Mastel offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Claire Mastel as offering telehealth services.
How many Medicare patients does Claire Alexandra Mastel see?
CMS counts 16 Medicare patients who saw Claire Mastel in 2024, with an average age of 51.
How long has Claire Alexandra Mastel been practicing?
Claire Mastel graduated from medical school in 2020, 6 years ago.
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