Physician Profile
Unclaimed ProfileAbout DUFF
Listed in the NPI registry as a hospitalist, Nicholas Duff, MD practises in Greenwood Village, CO. Nicholas graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2020. Nicholas is also listed as specialising in student in an organized health care education program and internal medicine. According to Medicare claims data, Nicholas cared for 116 Medicare patients across 165 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
Common questions
What kind of doctor is Dr. Duff?
Dr. Duff is a hospitalist in Greenwood Village, CO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HOSPITALIST”.
NPI registry
What is Dr. Duff's address?
Dr. Duff is listed at 7100 E BELLEVIEW AVE STE G10, Greenwood Village, CO 80111. 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. Duff?
The number on file is (303) 745-0000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Duff's NPI number?
Dr. Duff's National Provider Identifier is 1194301010. 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. Duff train?
Dr. Duff attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Duff been practising?
Dr. Duff has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Duff perform?
According to Medicare billing data, Dr. Duff the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Duff confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Duff. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (303) 745-0000
- Email not available
Practice Locations
7100 E BELLEVIEW AVE STE G10
Greenwood Village, CO 80111
Procedures Most Often Billed to Medicare
165 services · 116 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
100 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
38 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
27 |
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 hospitalists at this location 7
Same specialty, same street address — most likely the same department or group.
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.
Other hospitalists in Greenwood Village 2
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.