Graig A. Aders, M.D.
Psychiatry Physician · Great Falls, MT
Graig A. Aders, M.D. is a psychiatry physician with a practice address in Great Falls, Montana, and NPI 1265758734, issued on Apr 9, 2010. Check the license (Montana 143107, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Graig A. Aders
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 143107 MT
56394 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1101 26TH St S, Great Falls, MT 59405
- Phone
- (406) 731-8888
- Enumerated
- Apr 9, 2010
- Record last updated
- Aug 22, 2024
- Fax
- (406) 731-8318
- Medicare enrollment
- Enrolled (PECOS I20240903003846); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 156 in Montana → Look up another NPI →
Also registered at 1101 26TH St S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Graig A. Aders in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 143107Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average psychiatry physician in 2024
133 Medicare Part D claims for 45 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
2 hospitals and group practices
- Benefis Hospitals IncGreat Falls, MT · Acute Care Hospitals2 of 5 stars
- Gundersen Lutheran Medical Center IncLa Crosse, WI
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.
Graig A. Aders among 156 psychiatry physician records in Montana
Graig A. Aders, M.D. is one of 156 psychiatry physician records with a practice address in Montana. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 66% of them.
- NPI issued2010 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2010 · median 2005 among the 80 with a school on file
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Montana
There are 156 psychiatry physician records in Montana.
All 156 in Montana → Every provider in Great Falls → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Patricia Calkin, MDGreat Falls, MT 594051417922485
- Angela Casmier, M.D.Great Falls, MT 594051568670818
- Kristopher Poliakiwski, MDGreat Falls, MT 594051356864748
- Daniel FisherMalmstrom Afb, MT 594021912589383
- James Day, MDGreat Falls, MT 594011558371948
- Eva Larocque, MDGreat Falls, MT 594011346271061
- Joan Dickson, M.D.Glendive, MT 593301003817206
- Paulette Lassiter, MDGlendive, MT 593301487677852
Common questions
What is Graig A. Aders, M.D.'s NPI number?
Graig A. Aders, M.D.'s National Provider Identifier (NPI) is 1265758734, issued on Apr 9, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Graig A. Aders, M.D. located?
The NPPES record lists a practice address at 1101 26TH St S, Great Falls, MT, 59405. Phone: (406) 731-8888. Providers update this record themselves, so call before visiting.
How can I verify Graig A. Aders, M.D.'s license?
NPPES lists Montana license number 143107, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Graig A. Aders, M.D. prescribe under Medicare Part D?
In 2024, Graig A. Aders, M.D. had 133 Medicare Part D claims for 45 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.