Timothy Garrabrant
NPI 1457856304 · Family Medicine Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Garrabrant is a Family Medicine Physician provider in Knoxville, TN (NPI 1457856304).
Provider details
- NPI number
- 1457856304
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4420 (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
8 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
1,226 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 229 | $116 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 199 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 165 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 103 | $13 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 81 | $8 |
| Hemoglobin A1c Level83036 | 76 | $9 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 108 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 403 | 125 |
| Amlodipine Besylate | 370 | 113 |
| Levothyroxine Sodium | 258 | 66 |
| Lisinopril | 213 | 76 |
| Losartan Potassium | 176 | 55 |
| Metformin Hclbrand: Metformin Hcl Er | 163 | 57 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-23
- Last updated
- 2021-07-28
- Certified
- 2021-07-28
Frequently asked questions
- What is Timothy Garrabrant's NPI number?
- Timothy Garrabrant's National Provider Identifier (NPI) is 1457856304, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Garrabrant's specialty?
- Timothy Garrabrant is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Garrabrant located?
- Timothy Garrabrant's practice location on file with NPPES is 1300 Old Weisgarber Rd, Knoxville, TN 37909-1291.
- What is Timothy Garrabrant's phone number?
- The practice phone number listed in the NPPES registry for Timothy Garrabrant is (865) 584-2146.
- Does Timothy Garrabrant accept Medicare?
- Timothy Garrabrant is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Garrabrant's NPI active?
- Yes — Timothy Garrabrant's NPI (1457856304) is active in the NPPES registry as of the last update on 2021-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.