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MR. MICHAEL P TREMKO PMHNP-BC
NPI 1639509888
Nurse Practitioner - Psychiatric/Mental Health in Crown Point, IN

Active since November 24, 2013PECOS EnrolledAccepts Medicare Assignment
115 S COURT ST, CROWN POINT, IN 46307(503) 364-6093(503) 212-0209 Get Directions Write a Review

NPPES record last updated: July 15, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 6, 2024, Mar 6, 2024, Dec 14, 2015 (3 updates tracked since 2015).

About Mr. Michael P Tremko Pmhnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. MICHAEL P TREMKO PMHNP-BC (NPI 1639509888) is an individual psychiatric/mental health provider in Crown Point, Indiana, licensed in Oregon (201502375NP-PP) and active in the NPI registry since November 2013. He is enrolled in Medicare PECOS, is affiliated with West Valley Hospital, and maintains a secondary practice location in Salem.

NPPES Registry Identity

NPI1639509888
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameMR. MICHAEL P TREMKOCredential: PMHNP-BC
Location Address115 S COURT STCrown Point, IN 46307-4150
Mailing Address1101 Cumberland Xing # 279Valparaiso, IN 46383-2356 · (503) 364-6093 · Fax (503) 212-0209
Phone(503) 364-6093
Fax(503) 212-0209
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateNovember 24, 2013
Last NPPES UpdateJuly 15, 20253 updates tracked since enumeration
NPPES CertifiedJuly 10, 2025
✔ NPI 1639509888 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses✔ Licensed in OR · 201502375NP-PP✔ Licensed in IN · 71012936A✔ Licensed in WA · AP61252566✔ Licensed in ID · 69022
Also ListedRegistered Nurse · Psychiatric/Mental HealthTaxonomy 163WP0808X · License 200842665RN (OR)
115 S COURT ST, Crown Point, IN 46307
Open in Google Maps ↗

Secondary Practice Location 1

Location 12250 D St NESalem, OR 97301 · Phone (503) 364-6093 · Fax (503) 364-5121

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, BridgeSpan Health Company, CareSource and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Michael P Tremko Pmhnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496061483
PECOS Enrollment IDI20200805001237, I20230525002024
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Michael Tremko reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mid Valley Counseling Center Inc
1,802 mi
Clinical
2250 D ST NE
Salem, OR 97301
  • Reassigned Medicare billing, Indiana and Oregon enrollments
NPI 1407039308 (503) 364-6093

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

West Valley Hospital

Critical Access Hospitals · Dallas, OR
OwnershipVoluntary non-profit - Private
CMS Certification Number381308
Location525 SE Washington StreetDallas, OR 97338 · Polk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46307 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.04 typical visit price
range $53.07 – $161.76
Typical copayment $20.51 (range $13.26 – $40.44)
Most-billed visit code 99203
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ALLISON WALKER ND
Naturopath
115 S COURT ST
CROWN POINT, IN 46307
Lake County (219) 669-5586
ARAMIDE OWOLABI
Nurse Practitioner (Psychiatric/Mental Health)
115 S COURT ST
CROWN POINT, IN 46307
Lake County (219) 440-1015

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Tremko's NPI number?

The NPI number for Michael Tremko is 1639509888. It was assigned to this individual provider in the NPPES registry on November 24, 2013.

Where is Michael Tremko located?

Michael Tremko practices at 115 S Court St, Crown Point, IN 46307. The listed phone number is (503) 364-6093.

What is Michael Tremko's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Michael Tremko enrolled in Medicare?

Yes. Michael Tremko is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Michael Tremko's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Tremko reassigns Medicare benefits to Mid Valley Counseling Center Inc (Salem, OR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Tremko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Tremko accept?

Health plans from Anthem Blue Cross and Blue Shield, BridgeSpan Health Company, CareSource, Cigna Healthcare and Moda Health Plan, Inc. and 4 other insurers list Michael Tremko as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Michael Tremko affiliated with any hospitals?

According to CMS data, Michael Tremko is affiliated with West Valley Hospital.

When was this NPI record last updated?

The NPPES record for Michael Tremko was last updated on July 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.