Doctor profile · Federal record
Dr. David Duff, MD
Family Medicine Physician (CMS: Emergency Medicine) · London, OH
- NPI 1588669642
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
210 N Main St
London, OH 431401115
(740) 845-7333 - Mailing address
-
5675 Hathaway CT
Dublin, OH 430166725
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- June 24, 2013
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Ohio #35078018
- Medicaid
- OH #2190150
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588669642. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
239
Distinct HCPCS
3
Medicare allowed
$32,682
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 117 | 106 | $172 | |
99284 |
Emergency department visit with moderate level of medical decision making | 84 | 79 | $118 | |
99283 |
Emergency department visit with low level of medical decision making | 38 | 37 | $70 |
In context: peer comparison
Among 5 peers in London Family Medicine Physician, average services per provider: 90. This provider delivers 2.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
82
Patients
81
Total drug cost
$393
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 34 | 33 | $104 |
| Ondansetron Odt (Ondansetron) | Brand | 13 | 13 | $59 |
| Cephalexin | Generic | 12 | 12 | $121 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 12 | 12 | $42 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 11 | 11 | $65 |
Frequently asked questions
What is Dr. David Duff's medical specialty?
Dr. David Duff practices Family Medicine Physician in London, OH.
Where does Dr. David Duff practice?
Dr. David Duff practices at 210 N Main St, London, OH 431401115. Office phone: 7408457333.
What is Dr. David Duff's NPI?
Dr. David Duff's National Provider Identifier (NPI) is 1588669642, issued by NPPES.
Does Dr. David Duff accept Medicare assignment?
Yes. Dr. David Duff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Duff commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.