Roy King, MD
NPI 1225036858 · Dermatopathology (Pathology) Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roy King, MD is a Dermatopathology (Pathology) Physician provider in Knoxville, TN (NPI 1225036858).
Provider details
- NPI number
- 1225036858
- Entity type
- Individual
- Primary specialty
- Dermatopathology (Pathology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 30472 (TN)
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
21 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
12,975 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 10,567 | $62 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 946 | $84 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 630 | $76 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 325 | $35 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 323 | $103 |
| Surgical Pathology Consultation and Report on Referred Slides Prepared Elsewhere88321 | 79 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 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
- 2005-07-08
- Last updated
- 2013-03-05
Frequently asked questions
- What is Roy King's NPI number?
- Roy King's National Provider Identifier (NPI) is 1225036858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roy King's specialty?
- Roy King is listed in the NPPES registry with a primary specialty of Dermatopathology (Pathology) Physician (Allopathic & Osteopathic Physicians).
- Where is Roy King located?
- Roy King's practice location on file with NPPES is 139 Fox Rd, Knoxville, TN 37922-3472.
- What is Roy King's phone number?
- The practice phone number listed in the NPPES registry for Roy King is (865) 474-8866.
- Does Roy King accept Medicare?
- Roy King is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roy King's NPI active?
- Yes — Roy King's NPI (1225036858) is active in the NPPES registry as of the last update on 2013-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.