David Brennick, MD
NPI 1447379185 · Emergency Medicine Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Brennick, MD is a Emergency Medicine Physician provider in Knoxville, TN (NPI 1447379185).
Provider details
- NPI number
- 1447379185
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 40949 (KY)
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
19 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
300 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 | 186 | $169 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 89 | $116 |
| Critical Care, First 30-74 Minutes99291 | 25 | $206 |
Typical Medicare-allowed amounts for these services range $116–$206 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 53 | 53 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 31 | 31 |
| Methylprednisolone | 27 | 27 |
| Cephalexin | 21 | 21 |
| Doxycycline Hyclate | 19 | 19 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 19 | 19 |
| Baclofen | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 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
- 2007-03-27
- Last updated
- 2015-07-27
Frequently asked questions
- What is David Brennick's NPI number?
- David Brennick's National Provider Identifier (NPI) is 1447379185, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Brennick's specialty?
- David Brennick is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Brennick located?
- David Brennick's practice location on file with NPPES is 1431 Centerpoint Blvd, Knoxville, TN 37932-1984.
- What is David Brennick's phone number?
- The practice phone number listed in the NPPES registry for David Brennick is (865) 985-7494.
- Does David Brennick accept Medicare?
- David Brennick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Brennick's NPI active?
- Yes — David Brennick's NPI (1447379185) is active in the NPPES registry as of the last update on 2015-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.