Physician Profile
Unclaimed ProfileAbout SCHAEFFER
William John Schaeffer, DO practises emergency medicine in Milwaukee, WI. William is a 2017 graduate of Midwestern University, Chicago College of Osteopathic Med. Medicare claims data shows William provided 443 services to 408 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 kind of doctor is Dr. Schaeffer?
Dr. Schaeffer is an emergency medicine in Milwaukee, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
What is Dr. Schaeffer's address?
Dr. Schaeffer 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 can I make an appointment with Dr. Schaeffer?
The number on file is (414) 955-6450. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Schaeffer?
Dr. Schaeffer's National Provider Identifier is 1487174405. 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
Where did Dr. Schaeffer train?
Dr. Schaeffer attended Midwestern University, Chicago College of Osteopathic Med, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Schaeffer have?
Dr. Schaeffer has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Schaeffer perform?
According to Medicare billing data, Dr. Schaeffer performs imaging including ultrasound scan of chest and limited ultrasound scan of abdomen; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart, follow-up, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Schaeffer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Schaeffer. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (414) 955-6450
- Email not available
Practice Locations
9200 W WISCONSIN AVE
Milwaukee, WI 53226
Procedures Most Often Billed to Medicare
443 services · 408 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ultrasound scan of chest | Imaging | 76604 |
14 |
| Limited ultrasound scan of abdomen | Imaging | 76705 |
12 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
116 |
| Ultrasound of heart, follow-up | Treatment | 93308 |
30 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
111 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
106 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
41 |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
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 emergency medicines at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 emergency medicines in Milwaukee 7
Same specialty, same city.
Trained at Midwestern University, Chicago College of Osteopathic Med 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Midwestern University, Chicago College of Osteopathic Med 7
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound scan of chest 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.