Michael Tremko, PMHNP-BC
NPI 1639509888 · Psychiatric/Mental Health Nurse Practitioner · Crown Point, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Tremko, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Crown Point, IN (NPI 1639509888).
Provider details
- NPI number
- 1639509888
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 200842665RN (OR)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
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 tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Lithium Carbonate | 31 |
| Lorazepam | 25 |
| Clonazepam | 24 |
| Quetiapine Fumarate | 23 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 22 |
| Alprazolam | 15 |
| Lithium Carbonatebrand: Lithium Carbonate Er | 15 |
| Aripiprazole | 14 |
| Temazepam | 14 |
Practice location
Mailing address
Additional practice locations (1)
- 2250 D St NeSalem, OR 97301Phone: (503) 364-6093Fax: (503) 364-5121
Registry dates
- Enumerated
- 2013-11-24
- Last updated
- 2025-07-15
- Certified
- 2025-07-10
Frequently asked questions
- What is Michael Tremko's NPI number?
- Michael Tremko's National Provider Identifier (NPI) is 1639509888, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Tremko's specialty?
- Michael Tremko is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Tremko located?
- Michael Tremko's practice location on file with NPPES is 115 S Court St, Crown Point, IN 46307-4150.
- What is Michael Tremko's phone number?
- The practice phone number listed in the NPPES registry for Michael Tremko is (503) 364-6093.
- Does Michael Tremko accept Medicare?
- Michael Tremko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Tremko's NPI active?
- Yes — Michael Tremko's NPI (1639509888) is active in the NPPES registry as of the last update on 2025-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.