Ryan Murphy Callahan
- Medicare patients, 2024
- 287
- Part D claims, 2024
- 217
- Hospital affiliations
- 5
- Industry payments
- $43
- Medical group
- 1
- Practice address
- 2800 10th Ave N, Billings, MT 59101
- Practice phone
- Call (406) 657-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Ryan Callahan'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.
Ryan Murphy Callahan is a physician assistant in Billings, Montana
Ryan Callahan practices at Billings Clinic Hospital in Billings, Montana, part of Billings Clinic.
Ryan Callahan's NPI, 1871201855, was assigned on November 9, 2022.
- NPI
- 1871201855NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658741772
- NPI enumeration date
- November 9, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (406) 657-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Ryan Murphy Callahan practices at Billings Clinic Hospital in Billings, Montana
Ryan Callahan's primary practice is Billings Clinic Hospital, at 2800 10th Ave N, Billings, MT 59101 in Yellowstone County. The practice phone is (406) 657-4000.
- Billings Clinic Hospital2800 10th Ave N, Billings, MT 59101 · Yellowstone CountyPhone(406) 657-4000
Source: Dmand AI Affiliation Data
Ryan Murphy Callahan is affiliated with 6 sites of care and 1 medical group
Ryan Callahan's primary practice is Billings Clinic Hospital in Billings, Montana, part of Billings Clinic. Ryan Callahan is also affiliated with St. Vincent Regional Hospital. The medical group on file is Billings Clinic. Dmand AI also links Ryan Callahan to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Ryan Murphy Callahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ryan Callahan practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Billings Clinic Hospital | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Billings Clinic and 6.2K+ hospitals, with verified contacts in the same login.
Ryan Murphy Callahan is one of 656 physician assistants in Montana
Physician assistant is Ryan Callahan's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Ryan Callahan
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
Ryan Murphy Callahan treated 287 Medicare patients in 2024, average age 73
CMS counts 287 Medicare patients who saw Ryan Callahan in 2024. The largest group is 65 to 74, with 124 patients. 75% of them have arthritis, and 71% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Ryan Callahan's median patient age at 73, with 62% women.
Ryan Callahan's Medicare patients by age, 2024
Ryan Callahan's Medicare patients by sex, 2024
- Women14952%
- Men13848%
Chronic conditions among Ryan Callahan's Medicare patients, 2024
- Arthritis75%
- High blood pressure71%
- High cholesterol61%
- Diabetes29%
- Mood disorders29%
- Depression26%
- Anxiety24%
- Ischemic heart disease21%
Share of Medicare patients with each condition. A patient can have several.
Ryan Callahan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ryan Murphy Callahan wrote 217 Medicare Part D claims in 2024
In 2024, Ryan Callahan wrote 217 Medicare Part D claims for 89 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Ryan Callahan's Part D claims, 2024
- Opioids6%14 of 217 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Ryan Murphy Callahan offers telehealth to Medicare patients
Ryan Callahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Ryan Callahan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Ryan Murphy Callahan received $43 in industry payments in 2025
CMS Open Payments shows 1 general payment to Ryan Callahan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $43.
Companies that paid Ryan Callahan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Ryan Murphy Callahan'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Industry payments | Open Payments (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 Ryan Murphy Callahan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ryan Murphy Callahan's NPI number?
Ryan Murphy Callahan's NPI number is 1871201855. It was assigned on November 9, 2022, and it is active in the NPI Registry.
What does Ryan Murphy Callahan specialize in?
Ryan Murphy Callahan is a physician assistant in Billings, Montana. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Ryan Murphy Callahan practice?
Ryan Callahan practices at 2800 10th Ave N, Billings, MT 59101. Ryan Callahan's primary practice is Billings Clinic Hospital in Billings, Montana, part of Billings Clinic. Dmand AI also links Ryan Callahan to 3 hospitals and 1 group practice or clinic.
What is Ryan Murphy Callahan's office phone number?
The practice phone on file for Ryan Callahan is (406) 657-4000.
Which hospitals is Ryan Murphy Callahan affiliated with?
Ryan Callahan practices at Billings Clinic Hospital in Billings, Montana. Ryan Callahan is also affiliated with St. Vincent Regional Hospital. Dmand AI links Ryan Callahan to 3 more hospitals.
What medical group is Ryan Murphy Callahan part of?
Ryan Callahan is linked to Billings Clinic.
Does Ryan Murphy Callahan accept Medicare?
Yes. CMS lists Ryan Callahan as accepting Medicare assignment.
Does Ryan Murphy Callahan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Ryan Callahan as offering telehealth services.
How many Medicare patients does Ryan Murphy Callahan see?
CMS counts 287 Medicare patients who saw Ryan Callahan in 2024, with an average age of 73.
Has Ryan Murphy Callahan received payments from drug or device companies?
CMS Open Payments shows $43 in general payments to Ryan Callahan from 1 company from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Ryan Murphy Callahan been practicing?
Ryan Callahan graduated from medical school in 2022, 4 years ago.
Selling to physician assistant practices?
See physician assistants in Montana by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card