Parker Mcduffie, MD
NPI 1457001307 · Student in an Organized Health Care Education/Training Program · Knoxville, TN
Enrolled with Medicare as Order and Referring Only - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Parker Mcduffie, MD is a Student in an Organized Health Care Education/Training Program provider in Knoxville, TN (NPI 1457001307).
Provider details
- NPI number
- 1457001307
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 91 | 89 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 50 | 48 |
| Tramadol Hcl | 40 | 40 |
| Oxybutynin Chloride | 28 | 28 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 25 | 25 |
| Ciprofloxacin Hcl | 17 | 16 |
| Cephalexin | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-03-24
- Last updated
- 2022-03-24
- Certified
- 2022-03-24
Frequently asked questions
- What is Parker Mcduffie's NPI number?
- Parker Mcduffie's National Provider Identifier (NPI) is 1457001307, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Parker Mcduffie's specialty?
- Parker Mcduffie is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Parker Mcduffie located?
- Parker Mcduffie's practice location on file with NPPES is 1924 Alcoa Hwy # U-11, Knoxville, TN 37920-1511.
- What is Parker Mcduffie's phone number?
- The practice phone number listed in the NPPES registry for Parker Mcduffie is (865) 305-9230.
- Does Parker Mcduffie accept Medicare?
- Parker Mcduffie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Parker Mcduffie's NPI active?
- Yes — Parker Mcduffie's NPI (1457001307) is active in the NPPES registry as of the last update on 2022-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.