Mary Gwynne McClain, APRN, MSN, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner · Marion, IN
Mary Gwynne McClain, APRN, MSN, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Marion, Indiana, and NPI 1548833098, issued on Jul 22, 2021. Check the license (Indiana 71015598A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Gwynne McClain
- Credential
- APRN, MSN, PMHNP-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 71015598A IN
Self-reported in NPPES; status is on the state search - Practice location
- 505 N Wabash Ave, Marion, IN 46952
- Phone
- (765) 348-4221
- Enumerated
- Jul 22, 2021
- Record last updated
- Jul 30, 2025
- Medicare enrollment
- Enrolled (PECOS I20240911004244); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 887 in Indiana → Look up another NPI →
Also registered at 505 N Wabash Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Gwynne McClain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 71015598ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
47 Medicare Part D claims for 19 beneficiaries, against an average of 906 among the 30,717 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.
Bills Medicare through one group practice
- Grant-Blackford Mental Health, Inc.Marion, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Gwynne McClain among 887 psychiatric/mental health nurse practitioner records in Indiana
Mary Gwynne McClain, APRN, MSN, PMHNP-BC is one of 887 psychiatric/mental health nurse practitioner records with a practice address in Indiana. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 44% of them.
- NPI issued2021 · 44% of these records are older, 47% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2024 · median 2021 among the 573 with a school on file
- Record last updated2025 · 19% 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 Indiana 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 Indiana
There are 887 psychiatric/mental health nurse practitioner records in Indiana.
All 887 in Indiana → Every provider in Marion → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Kelly Barsha, APNMarion, IN 469521629636832
- Trina Greenwald, MSN, FNP-C, PMHNP-BCMarion, IN 469521548298409
- Annalise Michaud, MSN, PMHNP-BCMarion, IN 469521245840081
- Patrick Mutugu, PMHNP-BCMarion, IN 469521588205231
- Jessica Handy, MSN, FNP-C, PMHNP-BCMarion, IN 469531043818396
- Eudon Perkins, PMHNPMarion, IN 469531164134730
- Thomasina Wrangham, RN, MSN, PMHNP-BCMarion, IN 469531013340066
- Brooke FlanaganLogansport, IN 469471891599643
Common questions
What is Mary Gwynne McClain, APRN, MSN, PMHNP-BC's NPI number?
Mary Gwynne McClain, APRN, MSN, PMHNP-BC's National Provider Identifier (NPI) is 1548833098, issued on Jul 22, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mary Gwynne McClain, APRN, MSN, PMHNP-BC located?
The NPPES record lists a practice address at 505 N Wabash Ave, Marion, IN, 46952. Phone: (765) 348-4221. Providers update this record themselves, so call before visiting.
How can I verify Mary Gwynne McClain, APRN, MSN, PMHNP-BC's license?
NPPES lists Indiana license number 71015598A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Gwynne McClain, APRN, MSN, PMHNP-BC prescribe under Medicare Part D?
In 2024, Mary Gwynne McClain, APRN, MSN, PMHNP-BC had 47 Medicare Part D claims for 19 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.