Provider Profile
Margaret C. Keller, APN-CNP
Unclaimed ProfileAbout Margaret Keller
Listed in the NPI registry as a nurse practitioner, Margaret C. Keller, APN-CNP practices in Glenview, IL. Margaret is also listed as specializing in registered nurse. Medicare claims data shows Margaret provided 213 services to 132 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and biopsy of bone marrow.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (847) 503-1000
- Email not available
Practice Locations
2180 PFINGSTEN RD
Glenview, IL 60026
Procedures Most Often Billed to Medicare
213 services · 132 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of bone marrow | Procedure | 38221 |
19 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
194 | More often than most peers in Nurse Practitioner |
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 nurse practitioners at this location 8
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 — 25 related providers in 4 groups
Other nurse practitioners in Glenview 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of bone marrow 3
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Margaret C. Keller?
Margaret C. Keller is a nurse practitioner in Glenview, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Margaret C. Keller's address?
Margaret C. Keller is listed at 2180 Pfingsten Rd, Glenview, IL 60026. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Margaret C. Keller?
The number on file is (847) 503-1000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Margaret C. Keller?
Margaret C. Keller's National Provider Identifier is 1063742963. 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 Margaret C. Keller train?
Margaret C. Keller attended Other, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Margaret C. Keller have?
Margaret C. Keller has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What procedures does Margaret C. Keller perform?
According to Medicare billing data, Margaret C. Keller performs procedures including biopsy of bone marrow, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Margaret C. Keller's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Margaret C. Keller. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.