John Mrachina, FNP-C
NPI 1861957383 · Psychiatric/Mental Health Nurse Practitioner · Clinton Township, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Mrachina, FNP-C is a Psychiatric/Mental Health Nurse Practitioner provider in Clinton Township, MI (NPI 1861957383).
Provider details
- NPI number
- 1861957383
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4704288924 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Trazodone Hcl | 36 |
| Clonazepam | 33 |
| Lamotrigine | 26 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 24 |
| Duloxetine Hcl | 23 |
| Buspirone Hcl | 22 |
| Aripiprazole | 21 |
| Escitalopram Oxalate | 21 |
| Sertraline Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,225 across 40 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-02-08
- Last updated
- 2024-08-27
- Certified
- 2024-08-27
Frequently asked questions
- What is John Mrachina's NPI number?
- John Mrachina's National Provider Identifier (NPI) is 1861957383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mrachina's specialty?
- John Mrachina is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Mrachina located?
- John Mrachina's practice location on file with NPPES is 44347 Delacroix Ln, Clinton Township, MI 48038-3120.
- What is John Mrachina's phone number?
- The practice phone number listed in the NPPES registry for John Mrachina is (586) 381-9833.
- Does John Mrachina accept Medicare?
- John Mrachina is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Mrachina's NPI active?
- Yes — John Mrachina's NPI (1861957383) is active in the NPPES registry as of the last update on 2024-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.