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

JOHN THOMAS OLSTAD PMHNP-BC
NPI 1154105500
Nurse Practitioner - Psychiatric/Mental Health in Milwaukee, WI

Q: What is John Olstad's NPI number?

The NPI number for John Olstad is 1154105500. It was assigned to this individual provider in the NPPES registry on August 24, 2023.

Q: What is John Olstad's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for John Olstad was last updated on September 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since August 24, 2023PECOS Enrolled

5500 W VLIET ST, MILWAUKEE, WI 53208(414) 928-1414(414) 928-1415 Get Directions Write a Review

NPPES record last updated: September 27, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 27, 2026, Aug 24, 2023 (2 updates tracked since 2023).

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About John Thomas Olstad Pmhnp-bc NPPES

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

JOHN THOMAS OLSTAD PMHNP-BC (NPI 1154105500) is an individual psychiatric/mental health provider in Milwaukee, Wisconsin, licensed in Wisconsin (14294-33) and active in the NPI registry since August 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154105500

Entity TypeIndividualMale

Primary Taxonomy363LP0808X

Provider Legal NameJOHN THOMAS OLSTADCredential: PMHNP-BC

Location Address5500 W VLIET STMilwaukee, WI 53208-2120

Mailing Address1433 E Oklahoma AveMilwaukee, WI 53207-2430 · (414) 928-1414 · Fax (414) 928-1415

Phone(414) 928-1414

Fax(414) 928-1415

Sole ProprietorNo

Enumeration DateAugust 24, 2023

Last NPPES UpdateSeptember 27, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 27, 2026

✔ NPI 1154105500 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

License✔ Licensed in WI · 14294-33

5500 W VLIET ST, Milwaukee, WI 53208

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Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Thomas Olstad Pmhnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

92 services23 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

36 services12 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

23 services17 patients

Psychiatric diagnostic evaluation with medical services 90792

A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.

17 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53208 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

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

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

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

DEMATTIA MEDICAL GROUP, LLC

Family Medicine

5500 W VLIET ST
MILWAUKEE, WI 53208

Milwaukee County (414) 431-8536

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 John Olstad's NPI number?

The NPI number for John Olstad is 1154105500. It was assigned to this individual provider in the NPPES registry on August 24, 2023.

Where is John Olstad located?

John Olstad practices at 5500 W Vliet St, Milwaukee, WI 53208. The listed phone number is (414) 928-1414.

What is John Olstad's specialty?

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

Is John Olstad enrolled in Medicare?

Yes. John Olstad is registered in the Medicare PECOS enrollment system.

What insurance does John Olstad accept?

Health plans from Anthem Blue Cross and Blue Shield, Medica, Network Health and UnitedHealthcare list John Olstad 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 John Olstad was last updated on September 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.