David Harris, M.D.
NPI 1780099358 · Emergency Medicine Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Harris, M.D. is a Emergency Medicine Physician provider in Knoxville, TN (NPI 1780099358).
Provider details
- NPI number
- 1780099358
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 57006 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
402 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 227 | $162 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 100 | $112 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 37 | $7 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 20 | $66 |
| Critical Care, First 30-74 Minutes99291 | 18 | $196 |
Typical Medicare-allowed amounts for these services range $7–$196 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 37 | 37 |
| Ondansetronbrand: Ondansetron Odt | 33 | 33 |
| Celecoxib | 24 | 24 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 21 | 21 |
| Cyclobenzaprine Hcl | 20 | 20 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 19 | 17 |
| Cephalexin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (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
- 2014-06-23
- Last updated
- 2026-05-29
- Certified
- 2026-05-29
Frequently asked questions
- What is David Harris's NPI number?
- David Harris's National Provider Identifier (NPI) is 1780099358, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Harris's specialty?
- David Harris is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Harris located?
- David Harris's practice location on file with NPPES is 265 Brookview Centre Way Ste 400, Knoxville, TN 37919-4052.
- What is David Harris's phone number?
- The practice phone number listed in the NPPES registry for David Harris is (800) 342-2898.
- Does David Harris accept Medicare?
- David Harris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Harris's NPI active?
- Yes — David Harris's NPI (1780099358) is active in the NPPES registry as of the last update on 2026-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.