Physician Profile
Unclaimed ProfileAbout SPENCER
John Judson Spencer, CAA is a healthcare provider in Milwaukee, WI specializing in anesthesiology assistant. Medicare claims data shows John provided 26 services to 25 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Spencer's specialty?
Dr. Spencer is an anesthesiology assistant in Milwaukee, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ANESTHESIOLOGY ASSISTANT”.
NPI registry
Where can I find Dr. Spencer?
Dr. Spencer is listed at 9200 W WISCONSIN AVE, Milwaukee, WI 53226. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Spencer?
The number on file is (414) 805-8700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Spencer?
Dr. Spencer's National Provider Identifier is 1740993435. 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
What is Dr. Spencer's medical education?
Dr. Spencer attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Spencer have?
Dr. Spencer has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Spencer known for?
According to Medicare billing data, Dr. Spencer provides treatments such as anesthesia for x-ray or radiation therapy and anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Spencer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Spencer. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (414) 805-8700
- Email not available
Practice Locations
9200 W WISCONSIN AVE
Milwaukee, WI 53226
Procedures Most Often Billed to Medicare
26 services · 25 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Anesthesia for x-ray or radiation therapy | Anaesthesia | 01922 |
13 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
13 |
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 anesthesiology assistants at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 30 related providers in 4 groups
Other anesthesiology assistants in Milwaukee 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Anesthesia for x-ray or radiation therapy 8
Providers in WI who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.