Katherine Weaver, MD
Psychiatry Physician · Billings, MT
Katherine Weaver, MD is a psychiatry physician with a practice address in Billings, Montana, and NPI 1770084220, issued on Feb 21, 2018. Check the license (Montana 61149, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Katherine Weaver
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 61149 MT
Self-reported in NPPES; status is on the state search - Practice location
- 1245 N 29TH St, Billings, MT 59101
- Phone
- (406) 252-5658
- Enumerated
- Feb 21, 2018
- Record last updated
- Feb 21, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (406) 252-4641
- Medicare enrollment
- Enrolled (PECOS I20180307000761); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1981
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 156 in Montana → Look up another NPI →
Also registered at 1245 N 29TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bonnie Anderson, RNRegistered Nurse1295029783
- Jinell Bal, LCPCMental Health Counselor1134359128
- Sally Bates, RN CRegistered Nurse1730175621
- Minnie Bell, LCPCMental Health Counselor1144914540
- Misty BirdMental Health Counselor1639755531
- Karen BlevinsCase Manager/Care Coordinator1558113589
Verify Katherine Weaver in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 61149Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% more Medicare Part D claims than the average psychiatry physician in 2024
1,944 Medicare Part D claims for 59 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Clonazepam176 claims
- Aripiprazole175 claims
- Olanzapine137 claims
- Lamotrigine92 claims
- Trazodone Hcl71 claims
- Escitalopram Oxalate68 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.
Bills Medicare through one group practice
- South Central Montana Regional Mental Health CenterBillings, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Weaver among 156 psychiatry physician records in Montana
Katherine Weaver, MD 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 2018, is newer than 85% of them.
- NPI issued2018 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1981 · median 2005 among the 80 with a school on file
- Record last updated2018 · 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).
41 psychiatry physician records list a practice address in Billings
They are 41 of the 4,035 NPPES records with a practice address in Billings, and 156 psychiatry physician records in Montana.
All 156 in Montana → Every provider in Billings → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- John Blodgett, MDBillings, MT 591011679642896
- John Denegre, MDBillings, MT 591011134230972
- Eeva Echeverri, MDBillings, MT 591011255414447
- Erik Goodwyn, M.D.Billings, MT 591011356422380
- Belinda Hartley, MDBillings, MT 591011689612228
- Faraz Masood, MDBillings, MT 591011215041744
- Robert McDermott, MDBillings, MT 591011861592438
- Mark Nicholson, MDBillings, MT 591011235126566
Common questions
What is Katherine Weaver, MD's NPI number?
Katherine Weaver, MD's National Provider Identifier (NPI) is 1770084220, issued on Feb 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Weaver, MD located?
The NPPES record lists a practice address at 1245 N 29TH St, Billings, MT, 59101. Phone: (406) 252-5658. Providers update this record themselves, so call before visiting.
How can I verify Katherine Weaver, MD's license?
NPPES lists Montana license number 61149, 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 Katherine Weaver, MD prescribe under Medicare Part D?
In 2024, Katherine Weaver, MD had 1,944 Medicare Part D claims for 59 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.