Physician Profile
Unclaimed ProfileAbout JOHNSTONE
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Areas of Expertise
Common questions
What kind of doctor is Dr. Johnstone?
Dr. Johnstone is a family doctor in Brown Deer, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Family Medicine”.
NPI registry
What is Dr. Johnstone's address?
Dr. Johnstone is listed at 9233 N GREEN BAY RD, Brown Deer, WI 53209. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Johnstone?
The number on file is (414) 270-8150. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Johnstone's NPI number?
Dr. Johnstone's National Provider Identifier is 1982665394. 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. Johnstone been practising?
Dr. Johnstone has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
What procedures does Dr. Johnstone perform?
According to Medicare billing data, Dr. Johnstone the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Johnstone confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnstone. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (414) 270-8150
- Email not available
Practice Locations
9233 N GREEN BAY RD
Brown Deer, WI 53209
Procedures Most Often Billed to Medicare
163 services · 143 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
93 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
50 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
20 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family doctors at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 4 related providers in 1 group
Other family doctors in Brown Deer 4
Same specialty, same city.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.