Derek Darnell, PA-C
NPI 1700166188 · Physician Assistant · Kingsport, TN
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Darnell, PA-C is a Physician Assistant provider in Kingsport, TN (NPI 1700166188).
Provider details
- NPI number
- 1700166188
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 1995 (TN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
177 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 69 | $70 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $100 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 26 | $49 |
| Automated Urinalysis Test81003 | 16 | $2 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 16 | $11 |
| X-Ray of Chest, 2 Views71046 | 13 | $21 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 117 | 113 |
| Prednisone | 75 | 70 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 64 | 64 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 33 | 33 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 28 | 26 |
| Cephalexin | 28 | 27 |
| Sulfamethoxazole/Trimethoprim |
Practice location
Mailing address
Additional practice locations (1)
- 603 Campus Dr Ste 100Abingdon, VA 24210-9700Phone: (276) 739-8010Fax: (276) 628-1410
Registry dates
- Enumerated
- 2011-08-17
- Last updated
- 2018-06-05
Frequently asked questions
- What is Derek Darnell's NPI number?
- Derek Darnell's National Provider Identifier (NPI) is 1700166188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Darnell's specialty?
- Derek Darnell is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Derek Darnell located?
- Derek Darnell's practice location on file with NPPES is 111 W Stone Dr Ste 110, Kingsport, TN 37660-6027.
- What is Derek Darnell's phone number?
- The practice phone number listed in the NPPES registry for Derek Darnell is (423) 224-3701.
- Does Derek Darnell accept Medicare?
- Derek Darnell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Darnell's NPI active?
- Yes — Derek Darnell's NPI (1700166188) is active in the NPPES registry as of the last update on 2018-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.