Messina M. Michalsky, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Billings, MT
Messina M. Michalsky, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Billings, Montana, and NPI 1568867588, issued on Nov 3, 2014. Check the license with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Messina M. Michalsky
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- RXN.0101748-NP CO
1630069 CO
APN.0991471 CO
Self-reported in NPPES; status is on the state search - Practice location
- 926 Main St Ste 14, Billings, MT 59105
- Phone
- (406) 702-1466
- Enumerated
- Nov 3, 2014
- Record last updated
- Nov 17, 2022
- Fax
- (406) 702-1591
- Medicaid ID
- 09974261 CO
- Medicare enrollment
- Enrolled (PECOS I20200629000601); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 243 in Montana → Look up another NPI →
Also registered at 926 Main St Ste 14
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth McGillvray, MSWClinical Social Worker1598239063
- Onorina Michalsky, LCPCMental Health Counselor1326699455
- Allison Sears, NPPsychiatric/Mental Health Nurse Practitioner1831764562
Verify Messina M. Michalsky 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
40% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
1,272 Medicare Part D claims for 48 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Clonazepam105 claims
- Dextroamphetamine-Amphetamine68 claims
- Lorazepam59 claims
- Trazodone Hcl57 claims
- Sertraline Hcl56 claims
- Duloxetine Hcl52 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: $82.80
3 payments; by number, the most common kind was food and beverage; the largest payer was Neurocrine Biosciences, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 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.
Bills Medicare through one group practice
- Integrative Mental Health Services PLLCBillings, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Messina M. Michalsky among 243 psychiatric/mental health nurse practitioner records in Montana
Messina M. Michalsky, PMHNP is one of 243 psychiatric/mental health nurse practitioner records with a practice address in Montana. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 26% of them.
- NPI issued2014 · 26% of these records are older, 70% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2012 · median 2020 among the 138 with a school on file
- Record last updated2022 · 28% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in Montana
There are 243 psychiatric/mental health nurse practitioner records in Montana.
All 243 in Montana → Every provider in Billings → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Allison Sears, NPBillings, MT 591051831764562
- Susan Finn, PMHNPBillings, MT 591021952917619
- Danielle Gillaspie, PMHNPBillings, MT 591021487321857
- Kari Gillen, PMHNP, MSN, RNBillings, MT 591021932936176
- Jessica Hurlocker, PMHNP-BCBillings, MT 591021073229076
- Jennifer LymanBillings, MT 591021437078896
- Jennifer McAnally, APRNBillings, MT 591021922650290
- Anne McRae, PMHNP-BCBillings, MT 591021023518495
Common questions
What is Messina M. Michalsky, PMHNP's NPI number?
Messina M. Michalsky, PMHNP's National Provider Identifier (NPI) is 1568867588, issued on Nov 3, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Messina M. Michalsky, PMHNP located?
The NPPES record lists a practice address at 926 Main St Ste 14, Billings, MT, 59105. Phone: (406) 702-1466. Providers update this record themselves, so call before visiting.
How can I verify Messina M. Michalsky, PMHNP's license?
Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Messina M. Michalsky, PMHNP prescribe under Medicare Part D?
In 2024, Messina M. Michalsky, PMHNP had 1,272 Medicare Part D claims for 48 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.