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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANDREA OKERSTROM PMHNP-BC
NPI 1689352056
Nurse Practitioner - Psychiatric/Mental Health in Fergus Falls, MN

Active since July 06, 2023PECOS EnrolledAccepts Medicare Assignment
225 W LINCOLN AVE STE 104, FERGUS FALLS, MN 56537(218) 531-1424(218) 531-1420 Get Directions Write a Review

NPPES record last updated: September 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 26, 2026, Sep 2, 2026, Jul 6, 2023 (3 updates tracked since 2023).

About Andrea Okerstrom Pmhnp-bc NPPES

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

ANDREA OKERSTROM PMHNP-BC (NPI 1689352056) is an individual psychiatric/mental health provider in Fergus Falls, Minnesota, licensed in Minnesota (10391) and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1689352056
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameANDREA OKERSTROMCredential: PMHNP-BC
Location Address225 W LINCOLN AVE STE 104Fergus Falls, MN 56537-2146
Mailing Address225 W Lincoln Ave Ste 104Fergus Falls, MN 56537-2146 · (218) 531-1424 · Fax (218) 531-1420
Phone(218) 531-1424
Fax(218) 531-1420
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJuly 6, 2023
Last NPPES UpdateSeptember 26, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 26, 2026
✔ NPI 1689352056 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses✔ Licensed in MN · 10391✔ Licensed in ND · R52700
225 W LINCOLN AVE STE 104, Fergus Falls, MN 56537
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota, HealthPartners, Sanford Health Plan.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

Andrea Okerstrom 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 ID8729514591
PECOS Enrollment IDI20241204002249
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 Andrea Okerstrom reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St. Sophie's, LLC
52 mi
Adolescent and Children Mental Health
3201 33RD ST S
Fargo, ND 58104
  • Reassigned Medicare billing, North Dakota enrollment
  • 9 clinicians in this Medicare group
NPI 1336443654 (701) 365-4488

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 56537 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
$85.82 typical visit price
range $56.00 – $168.28
Typical copayment $21.45 (range $14.00 – $42.07)
Most-billed visit code 99203
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
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 4

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

JEANNE GRENVIK MA, LMFT
Marriage & Family Therapist
225 W LINCOLN AVE STE 104
FERGUS FALLS, MN 56537
Otter Tail County (218) 531-1424
MS. MEGAN SUE KAMPSTRA LPCC
Counselor (Professional)
225 W LINCOLN AVE STE 104
FERGUS FALLS, MN 56537
Otter Tail County (218) 531-1424
MELISSA GEDROSE LICSW
Social Worker (Clinical)
225 W LINCOLN AVE STE 104
FERGUS FALLS, MN 56537
Otter Tail County (218) 531-1424
DR. TANYA DAHMS SUNDBERG PH.D. , LP
Psychologist
225 W LINCOLN AVE STE 104
FERGUS FALLS, MN 56537
Otter Tail County (218) 531-1424

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 Andrea Okerstrom's NPI number?

The NPI number for Andrea Okerstrom is 1689352056. It was assigned to this individual provider in the NPPES registry on July 6, 2023.

Where is Andrea Okerstrom located?

Andrea Okerstrom practices at 225 W Lincoln Ave Ste 104, Fergus Falls, MN 56537. The listed phone number is (218) 531-1424.

What is Andrea Okerstrom's specialty?

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

Is Andrea Okerstrom enrolled in Medicare?

Yes. Andrea Okerstrom 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 Andrea Okerstrom's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Okerstrom reassigns Medicare benefits to St. Sophie's, LLC (Fargo, ND). 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 Andrea Okerstrom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Andrea Okerstrom accept?

Health plans from Blue Cross Blue Shield of North Dakota, HealthPartners and Sanford Health Plan list Andrea Okerstrom 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.

When was this NPI record last updated?

The NPPES record for Andrea Okerstrom was last updated on September 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.