Ryan Murphy Callahan
Physician Assistant · Billings, MT
Ryan Murphy Callahan is a physician assistant with a practice address in Billings, Montana, and NPI 1871201855, issued on Nov 9, 2022. Check the license with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ryan Murphy Callahan
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 801 N 29TH St, Billings, MT 59101
- Phone
- (701) 360-5239
- Enumerated
- Nov 9, 2022
- Record last updated
- Mar 22, 2023
- Medicare enrollment
- Enrolled (PECOS I20230106001637); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 698 in Montana → Look up another NPI →
Also registered at 801 N 29TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Annalee Anderson, MA, CCC-SLPSpeech-Language Pathologist1083047088
- Bijan Andrade, DPMFoot & Ankle Surgery Podiatrist1891059556
Verify Ryan Murphy Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average physician assistant in 2024
217 Medicare Part D claims for 89 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 14 claims were for opioids.
Most prescribed
- Celecoxib57 claims
- Gabapentin57 claims
- Meloxicam33 claims
- Cyclobenzaprine Hcl23 claims
- Methocarbamol12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $103.85
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Billings ClinicBillings, MT · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Ryan Murphy Callahan among 698 physician assistant records in Montana
Ryan Murphy Callahan is one of 698 physician assistant records with a practice address in Montana. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 80% of them.
- NPI issued2022 · 80% of these records are older, 15% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2022 · median 2016 among the 514 with a school on file
- Record last updated2023 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
170 physician assistant records list a practice address in Billings
They are 170 of the 4,035 NPPES records with a practice address in Billings, and 698 physician assistant records in Montana.
All 698 in Montana → Every provider in Billings → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Susan Cerovski, PABillings, MT 591011891771622
- Linda Dupree, PACBillings, MT 591011073516167
- John Etchart, PA-CBillings, MT 591011124010830
- Kathryn Hall, PA-CBillings, MT 591011366438285
- Myrna Mentikov, PA-CBillings, MT 591011750377735
- Lisa Murray, PA-CBillings, MT 591011821084369
- Deanna Niles, PA-CBillings, MT 591011881666261
- Mark Pierson, PA-CBillings, MT 591011508858234
Common questions
What is Ryan Murphy Callahan's NPI number?
Ryan Murphy Callahan's National Provider Identifier (NPI) is 1871201855, issued on Nov 9, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Murphy Callahan located?
The NPPES record lists a practice address at 801 N 29TH St, Billings, MT, 59101. Phone: (701) 360-5239. Providers update this record themselves, so call before visiting.
How can I verify Ryan Murphy Callahan's license?
Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Ryan Murphy Callahan prescribe under Medicare Part D?
In 2024, Ryan Murphy Callahan had 217 Medicare Part D claims for 89 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.