Provider Profile
Conrad Orrmal Duncker is a nurse practitioner practicing in Chicago, IL. Conrad trained at Rush Medical College of Rush University, graduating in 2018. Conrad is also listed as specializing in nurse practitioner — psychiatric/mental health. Medicare claims data shows Conrad provided 51 services to 50 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
1653 W CONGRESS PKWY
Chicago, IL 60612
51 services · 50 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychiatric diagnostic evaluation | Treatment | 90791 |
25 |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
26 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Duncker is a nurse practitioner in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NURSE PRACTITIONER”.
NPI registry
Dr. Duncker is listed at 1653 W CONGRESS PKWY, Chicago, IL 60612. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (312) 942-5000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Duncker's National Provider Identifier is 1811549645. 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
Dr. Duncker attended Rush Medical College of Rush University, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
Dr. Duncker has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Duncker provides treatments such as psychiatric diagnostic evaluation, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Duncker. 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.