Brock Mills, DO
NPI 1912563149 · Family Medicine Physician · Chattanooga, TN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brock Mills, DO is a Family Medicine Physician provider in Chattanooga, TN (NPI 1912563149).
Provider details
- NPI number
- 1912563149
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 4619 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
760 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 276 | $108 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 201 | $72 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 120 | $105 |
| Critical Care, First 30-74 Minutes99291 | 109 | $193 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 41 | $156 |
| Smoking and Tobacco Use Intensive Counseling, More Than 10 Minutes99407 | 13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 30 | 21 |
| Metoprolol Succinate | 29 | 23 |
| Atorvastatin Calcium | 29 | 20 |
| Spironolactone | 25 | 18 |
| Furosemide | 24 | 16 |
| Pantoprazole Sodium | 23 | 18 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-05-13
- Last updated
- 2022-06-16
- Certified
- 2022-06-16
Frequently asked questions
- What is Brock Mills's NPI number?
- Brock Mills's National Provider Identifier (NPI) is 1912563149, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brock Mills's specialty?
- Brock Mills is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brock Mills located?
- Brock Mills's practice location on file with NPPES is 2333 Mccallie Ave, Chattanooga, TN 37404-3258.
- What is Brock Mills's phone number?
- The practice phone number listed in the NPPES registry for Brock Mills is (423) 698-6061.
- Does Brock Mills accept Medicare?
- Brock Mills is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brock Mills's NPI active?
- Yes — Brock Mills's NPI (1912563149) is active in the NPPES registry as of the last update on 2022-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.