Physician Profile
Unclaimed ProfileAbout SPEHLMANN
Based in Lake Forest, IL, John Spehlmann, MD is listed in the NPI registry under anesthesiology. John graduated from Northwestern University Feinberg Medical School in 1988. According to Medicare claims data, John cared for 127 Medicare patients across 128 services.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (800) 444-6110
- Email not available
Practice Locations
660 N WESTMORELAND RD
Lake Forest, IL 60045
Procedures Most Often Billed to Medicare
128 services · 127 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
26 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
26 |
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
19 |
| Anesthesia for x-ray or radiation therapy | Anaesthesia | 01922 |
17 |
| Anesthesia for lens surgery | Anaesthesia | 00142 |
15 |
| Anesthesia for procedure on small and large bowel using an endoscope | Anaesthesia | 00813 |
14 |
| Anesthesia for other procedure on urinary system through urethra | Anaesthesia | 00910 |
11 |
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.
Other anesthesiology specialists at this location 6
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 — 27 related providers in 4 groups
Other anesthesiology specialists in Lake Forest 3
Same specialty, same city.
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1988 at Northwestern University Feinberg Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Anesthesia for other procedure on large bowel using an endoscope 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Dr. Spehlmann specialize in?
Dr. Spehlmann is an anesthesiology in Lake Forest, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ANESTHESIOLOGY”.
NPI registry
Where is Dr. Spehlmann located?
Dr. Spehlmann is listed at 660 N WESTMORELAND RD, Lake Forest, IL 60045. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Spehlmann's phone number?
The number on file is (800) 444-6110. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Spehlmann's NPI number?
Dr. Spehlmann's National Provider Identifier is 1104837160. 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. Spehlmann go to medical school?
Dr. Spehlmann attended Northwestern University Feinberg Medical School, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Spehlmann been practicing?
Dr. Spehlmann has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Spehlmann do most often?
According to Medicare billing data, Dr. Spehlmann provides treatments such as anesthesia for other procedure on large bowel using an endoscope 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
Has Dr. Spehlmann confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Spehlmann. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.