James Howell, D.O.
NPI 1831372390 · Family Medicine Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Howell, D.O. is a Family Medicine Physician provider in Knoxville, TN (NPI 1831372390).
Provider details
- NPI number
- 1831372390
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- OS10214 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
1,473 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 218 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 206 | $117 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 169 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 162 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 146 | $13 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 137 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 138 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 564 | 179 |
| Levothyroxine Sodium | 400 | 119 |
| Amlodipine Besylate | 334 | 108 |
| Lisinopril | 307 | 87 |
| Losartan Potassium | 291 | 91 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 228 | 72 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-12-07
- Last updated
- 2021-04-28
- Certified
- 2021-04-28
Frequently asked questions
- What is James Howell's NPI number?
- James Howell's National Provider Identifier (NPI) is 1831372390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Howell's specialty?
- James Howell is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Howell located?
- James Howell's practice location on file with NPPES is 1300 Old Weisgarber Rd, Knoxville, TN 37909-1291.
- What is James Howell's phone number?
- The practice phone number listed in the NPPES registry for James Howell is (865) 584-2146.
- Does James Howell accept Medicare?
- James Howell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Howell's NPI active?
- Yes — James Howell's NPI (1831372390) is active in the NPPES registry as of the last update on 2021-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.