$2,071 in research paymentsPimavanserin tartrate (ACP-103)
Dr. John D. Schaeffer, DO
NPI1770536872
- Medicare services, 2024
- 27
- Medicare patients, 2024
- 45
- Part D claims, 2024
- 113
- Clinical trials
- 1
- Hospital affiliations
- 1
- Practice address
- 500 W Broadway, Missoula, MT 59802
- Practice phone
- Call (406) 543-7271
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. John D. Schaeffer is a neurologist in Missoula, Montana
Dr. Schaeffer practices at Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services.
Dr. Schaeffer's NPI, 1770536872, was assigned on May 18, 2006. Dr. Schaeffer graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1984. Dr. Schaeffer holds Montana license 11080.
NPI and contact details
- NPI
- 1770536872NPI Registry (opens in a new tab)
- NPI enumeration date
- May 18, 2006
- NPI status
- Active
- Practice phone
- (406) 543-7271
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John D. Schaeffer practices at Providence St. Patrick Hospital in Missoula, Montana
Dr. Schaeffer's primary practice is Providence St. Patrick Hospital, at 500 W Broadway, Missoula, MT 59802 in Missoula County. The practice phone is (406) 543-7271.
- Providence St. Patrick Hospital500 W Broadway, Missoula, MT 59802 · Missoula CountyPhone(406) 543-7271
Source: Dmand AI Affiliation Data
Dr. John D. Schaeffer is affiliated with 2 sites of care and 1 medical group
Dr. Schaeffer's primary practice is Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services. The medical group on file is Providence St. Patrick Hospital. Dmand AI also links Dr. Schaeffer to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John D. Schaeffer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schaeffer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence St. Patrick Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John D. Schaeffer is one of 57 neurologists in Montana
Neurology is Dr. Schaeffer's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Schaeffer is licensed in Montana.
Specialties and state licenses
- Neurology, MontanaPrimary
Neurologists near Dr. Schaeffer
Counts of neurologists 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
Dr. John D. Schaeffer billed Medicare for 27 services in 2024
CMS data shows 27 Medicare services from Dr. Schaeffer across 2 procedure codes in 2024, for 45 Medicare patients. Medicare paid $1,690 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202427
Medicare patients45
Paid by Medicare$1,690
Procedure codes2
Dr. Schaeffer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1982024: 1493%
- Office and hospital visits
- 2023: 952024: 1386%
Dr. Schaeffer compared with the Montana median for neurologists, 2024
- Dr. Schaeffer
- Montana median
- Medicare services
- 27vs 34992% below
- Medicare patients
- 45vs 18776% below
- Part D claims
- 12vs 46497% below
Medians across 56 neurologists in Montana with Dmand AI profiles that report each measure.
Dr. Schaeffer's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Schaeffer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Schaeffer and other neurologists in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John D. Schaeffer treated 45 Medicare patients in 2024, average age 70
CMS counts 45 Medicare patients who saw Dr. Schaeffer in 2024. The largest group is 65 to 74, with 28 patients. 75% of them have high cholesterol, and 64% have high blood pressure. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Schaeffer's median patient age at 70, with 49% women.
Medicare patients, 202445
Average age70
Average risk score1.09
Dr. Schaeffer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Schaeffer's Medicare patients by sex, 2024
- Women2044%
- Men2556%
Chronic conditions among Dr. Schaeffer's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis51%
- Anxiety42%
- Mood disorders40%
- Stroke or TIA40%
- Depression38%
- Diabetes24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Schaeffer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John D. Schaeffer wrote 113 Medicare Part D claims in 2024
In 2024, Dr. Schaeffer wrote 113 Medicare Part D claims for 34 patients. 89% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $243 in total drug cost. In 2023, CMS named 91 claims across 5 drugs.
Part D claims, 2024113
Drugs named by CMS1
Total drug cost$243
Part D patients34
Dr. Schaeffer's Part D claims by kind of drug, 2024
- Generic101 claims89%
- Brand-name12 claims11%
Dr. Schaeffer's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 912024: 1287%
Drugs named by CMS: 1 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. John D. Schaeffer has worked on 1 clinical trial
Dmand AI links Dr. Schaeffer to 1 clinical trial. Open Payments lists research payments to Dr. Schaeffer that name 1 trial.
Investigators on the most trials with Dr. Schaeffer
- Punit Agrawal, DO1 shared trial
- Sarah D. Atkinson, MD1 shared trial
- Ronald Aung-Din, MD1 shared trial
Recent clinical trials with Dr. Schaeffer
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. John D. Schaeffer received $2,137 in industry payments from 2016 to 2025
CMS Open Payments shows 140 general payments to Dr. Schaeffer from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Abbvie Inc. paid the most, $1,079. It also lists 2 research payments totaling $2,071 in 2017, naming 1 clinical trial.
General payments to Dr. Schaeffer by program year, 2016 to 2025
General payments to Dr. Schaeffer by kind, 2016 to 2025
$2.1Kin total
- Food and beverage$2,01594%
- Education$1115%
- Speaker and faculty fees$111%
Companies that paid Dr. Schaeffer the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John D. Schaeffer graduated from Des Moines University of Osteopathic Medicine and Health Sciences
Dr. Schaeffer graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John D. Schaeffer'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. John D. Schaeffer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John D. Schaeffer's NPI number?
Dr. John D. Schaeffer's NPI number is 1770536872. It was assigned on May 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John D. Schaeffer?
Dr. John D. Schaeffer is a neurologist in Missoula, Montana. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. John D. Schaeffer practice?
Dr. Schaeffer practices at 500 W Broadway, Missoula, MT 59802. Dr. Schaeffer's primary practice is Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services. Dmand AI also links Dr. Schaeffer to 1 group practice or clinic.
What is Dr. John D. Schaeffer's office phone number?
The practice phone on file for Dr. Schaeffer is (406) 543-7271.
What is Dr. John D. Schaeffer's medical license number?
Dr. Schaeffer holds Montana license 11080.
Which hospitals is Dr. John D. Schaeffer affiliated with?
Dr. Schaeffer practices at Providence St. Patrick Hospital in Missoula, Montana.
What medical group is Dr. John D. Schaeffer part of?
Dr. Schaeffer is linked to Providence St. Patrick Hospital.
Does Dr. John D. Schaeffer accept Medicare?
Yes. CMS data shows Dr. Schaeffer billed Medicare for 27 services in 2024.
How many Medicare patients does Dr. John D. Schaeffer see?
CMS counts 45 Medicare patients who saw Dr. Schaeffer in 2024, with an average age of 70.
What services does Dr. John D. Schaeffer bill to Medicare?
In 2024, Dr. Schaeffer's most billed Medicare services were nerve and brain test (95816) and hospital inpatient care (99222).
Show 5 more questionsShow fewer questions
Where did Dr. John D. Schaeffer go to medical school?
Dr. Schaeffer graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1984.
What drugs does Dr. John D. Schaeffer prescribe most?
In 2024 Medicare Part D data, Dr. Schaeffer's most prescribed drugs by claims were Zonisamide.
Has Dr. John D. Schaeffer received payments from drug or device companies?
CMS Open Payments shows $2,137 in general payments to Dr. Schaeffer from 15 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. John D. Schaeffer been practicing?
Dr. Schaeffer graduated from medical school in 1984, 42 years ago.
Does Dr. John D. Schaeffer do research?
Dr. Schaeffer has worked on 1 clinical trial.
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