What is Heather Lonkoski's NPI number?

Heather Lonkoski's National Provider Identifier (NPI) is 1235906694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Heather Lonkoski's specialty?

Heather Lonkoski is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Heather Lonkoski located?

Heather Lonkoski's practice location on file with NPPES is 420 E Sarnia St, Winona, MN 55987-6365.

What is Heather Lonkoski's phone number?

The practice phone number listed in the NPPES registry for Heather Lonkoski is (507) 961-8680.

Is Heather Lonkoski's NPI active?

Yes — Heather Lonkoski's NPI (1235906694) is active in the NPPES registry as of the last update on 2026-06-04.

IndividualActive

Heather Lonkoski

NPI 1235906694 · Mental Health Counselor · Winona, MN

Heather Lonkoski is a Mental Health Counselor provider in Winona, MN (NPI 1235906694).

Provider details

NPI number: 1235906694
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 4165 (MN)

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800XLicense 4165 (MN)
Behavioral Health & Social Service Providers

Profile Score

Established profile(58/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
2 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

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.

Practice location

420 E Sarnia St

Winona, MN 55987-6365

Phone: (507) 961-8680

Street-level locationGet directions

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Mailing address