James Patrick Howell, D.O.
Family Medicine Physician · Knoxville, TN
James Patrick Howell, D.O. is a family medicine physician with a practice address in Knoxville, Tennessee, and NPI 1831372390, issued on Dec 7, 2007. Check the license (Tennessee 1889, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James Patrick Howell
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 1889 TN
OS10214 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1300 Old Weisgarber RD, Knoxville, TN 37909
- Phone
- (865) 584-2146
- Enumerated
- Dec 7, 2007
- Record last updated
- Apr 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (865) 584-9660
- Medicaid ID
- 1505778 TN
- Medicare enrollment
- Enrolled (PECOS I20080710000319); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2005
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,674 in Tennessee → Look up another NPI →
Also registered at 1300 Old Weisgarber RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tiffany Marshall, FNP BCFamily Nurse Practitioner1548647555
Verify James Patrick Howell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 1889Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average family medicine physician in 2024
9,765 Medicare Part D claims for 668 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 136 claims were for opioids.
Most prescribed
- Atorvastatin Calcium564 claims
- Levothyroxine Sodium400 claims
- Amlodipine Besylate334 claims
- Lisinopril307 claims
- Losartan Potassium291 claims
- Albuterol Sulfate Hfa228 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Covenant Medical Group IncKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Patrick Howell among 2,674 family medicine physician records in Tennessee
James Patrick Howell, D.O. is one of 2,674 family medicine physician records with a practice address in Tennessee. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 39% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2005 · median 2004 among the 1,685 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
244 family medicine physician records list a practice address in Knoxville
They are 244 of the 14,339 NPPES records with a practice address in Knoxville, and 2,674 family medicine physician records in Tennessee.
All 2,674 in Tennessee → Every provider in Knoxville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- William Burkhart, MDKnoxville, TN 379091700820123
- John Burkhart, MDKnoxville, TN 379091447295688
- Ann Carter, MDKnoxville, TN 379091417946674
- James Hicks, M.D.Knoxville, TN 379091023061397
- Vali Khairollahi, MDKnoxville, TN 379091982633731
- Jeffrey McMichael, M.D.Knoxville, TN 379091548213895
- Stephen Meisenheimer, MDKnoxville, TN 379091982649240
- Ronald Murff, M.D.Knoxville, TN 379091053362939
Common questions
What is James Patrick Howell, D.O.'s NPI number?
James Patrick Howell, D.O.'s National Provider Identifier (NPI) is 1831372390, issued on Dec 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James Patrick Howell, D.O. located?
The NPPES record lists a practice address at 1300 Old Weisgarber RD, Knoxville, TN, 37909. Phone: (865) 584-2146. Providers update this record themselves, so call before visiting.
How can I verify James Patrick Howell, D.O.'s license?
NPPES lists Tennessee license number 1889, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Patrick Howell, D.O. prescribe under Medicare Part D?
In 2024, James Patrick Howell, D.O. had 9,765 Medicare Part D claims for 668 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.