Duff Rardin, M.D.
NPI 1114989324 · Neurology Physician · Arden, NC
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Duff Rardin, M.D. is a Neurology Physician provider in Arden, NC (NPI 1114989324).
Provider details
- NPI number
- 1114989324
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 38827 (NC)
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
20 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
1,085 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 442 | $87 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 155 | $160 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 127 | $123 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 73 | $9 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 68 | $76 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 395 | 108 |
| Memantine Hcl | 284 | 69 |
| Gabapentin | 234 | 59 |
| Donepezil Hcl | 227 | 63 |
| Levetiracetam | 125 | 38 |
| Zonisamide | 112 | 28 |
| Trazodone Hcl | 103 | 31 |
| Ropinirole Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$165 across 2 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
- 2006-04-04
- Last updated
- 2024-03-26
- Certified
- 2024-03-26
Frequently asked questions
- What is Duff Rardin's NPI number?
- Duff Rardin's National Provider Identifier (NPI) is 1114989324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Duff Rardin's specialty?
- Duff Rardin is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Duff Rardin located?
- Duff Rardin's practice location on file with NPPES is 2775 Hendersonville Rd Ste 250, Arden, NC 28704-0060.
- What is Duff Rardin's phone number?
- The practice phone number listed in the NPPES registry for Duff Rardin is (828) 435-8250.
- Does Duff Rardin accept Medicare?
- Duff Rardin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Duff Rardin's NPI active?
- Yes — Duff Rardin's NPI (1114989324) is active in the NPPES registry as of the last update on 2024-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.