Physician Profile
Unclaimed ProfileAbout DUFF
David L. Duff, MD is a healthcare provider in London, OH specialising in emergency medicine. David trained at Ohio State University College of Medicine, graduating in 1997. David is also listed as specialising in family medicine.
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 does Dr. Duff specialise in?
Dr. Duff is an emergency medicine in London, OH. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
Where is Dr. Duff located?
Dr. Duff is listed at 210 N MAIN ST, London, OH 43140. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Duff's phone number?
The number on file is (740) 845-7333. 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 1588669642. 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 go to medical school?
Dr. Duff attended Ohio State University College of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Duff been practising?
Dr. Duff has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Duff do most often?
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
- (740) 845-7333
- Email not available
Practice Locations
210 N MAIN ST
London, OH 43140
Procedures Most Often Billed to Medicare
203 services · 187 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
116 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
64 |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
23 |
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 emergency medicines at this location 1
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 emergency medicines in London 2
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Ohio State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Ohio State University College of Medicine 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.