David Duff, M.D.
NPI 1689055964 · Anesthesiology Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Duff, M.D. is a Anesthesiology Physician provider in Greenville, SC (NPI 1689055964).
Provider details
- NPI number
- 1689055964
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- LL38311 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
212 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 49 | $75 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 26 | $51 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 24 | $67 |
| Anesthesia for Procedure to Assess Heart Electrical Activity00537 | 19 | $177 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 19 | $64 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 18 | $65 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$335 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-06-12
- Last updated
- 2024-01-03
- Certified
- 2024-01-03
Frequently asked questions
- What is David Duff's NPI number?
- David Duff's National Provider Identifier (NPI) is 1689055964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Duff's specialty?
- David Duff is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is David Duff located?
- David Duff's practice location on file with NPPES is 1 Saint Francis Dr, Greenville, SC 29601-3955.
- What is David Duff's phone number?
- The practice phone number listed in the NPPES registry for David Duff is (864) 848-9555.
- Does David Duff accept Medicare?
- David Duff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Duff's NPI active?
- Yes — David Duff's NPI (1689055964) is active in the NPPES registry as of the last update on 2024-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.