Physician Profile
Unclaimed ProfileAbout OLSTAD
John Thomas Olstad, PMHNP-BC is a nurse practitioner — psychiatric/mental health based in West Allis, WI. According to Medicare claims data, John cared for 65 Medicare patients across 168 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (414) 667-4800
- Email not available
Practice Locations
1706 S 68TH ST
West Allis, WI 53214
Procedures Most Often Billed to Medicare
168 services · 65 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
17 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
92 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
36 |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
23 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in West Allis 3
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Psychiatric diagnostic evaluation with medical services 8
Providers in WI who bill this service to Medicare most often.
Common questions
What does Dr. Olstad specialize in?
Dr. Olstad is a nurse practitioner in West Allis, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Nurse Practitioner — Psychiatric/Mental Health”.
NPI registry
Where is Dr. Olstad located?
Dr. Olstad is listed at 1706 S 68TH ST, West Allis, WI 53214. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Olstad's phone number?
The number on file is (414) 667-4800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Olstad's NPI number?
Dr. Olstad's National Provider Identifier is 1154105500. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Dr. Olstad been practicing?
Dr. Olstad has 3+ years experience. Registered with an NPI since 2023. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Dr. Olstad do most often?
According to Medicare billing data, Dr. Olstad provides treatments such as psychiatric diagnostic evaluation with medical services, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Olstad confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Olstad. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.