Joshua Ryan Johnson, M.D.
Physical Medicine & Rehabilitation Physician · Knoxville, TN
Joshua Ryan Johnson, M.D. is a physical medicine & rehabilitation physician with a practice address in Knoxville, Tennessee, and NPI 1427220334, issued on Mar 31, 2008. Check the license (Tennessee 50125, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Joshua Ryan Johnson
- Credential
- M.D.
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License numbers
- 50125 TN
44989 KY
Self-reported in NPPES; status is on the state search - Practice location
- 1422 Old Weisgarber RD, Knoxville, TN 37909
- Phone
- (865) 558-4400
- Enumerated
- Mar 31, 2008
- Record last updated
- Jan 14, 2026
- Fax
- (865) 558-4471
- Medicaid ID
- Q000892 TN
- Medicare enrollment
- Enrolled (PECOS I20130808000865); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 249 in Tennessee → Look up another NPI →
Also registered at 1422 Old Weisgarber RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joshua Ryan Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 50125Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
237 Medicare Part D claims for 137 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Diclofenac Sodium74 claims
- Celecoxib57 claims
- Prednisone22 claims
- Methylprednisolone21 claims
- Naproxen16 claims
- Tizanidine Hcl14 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 91.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Champion Physical Therapy LLC HallsAlcoa, TN
- Orthotennessee PCKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua Ryan Johnson among 249 physical medicine & rehabilitation physician records in Tennessee
Joshua Ryan Johnson, M.D. is one of 249 physical medicine & rehabilitation physician records with a practice address in Tennessee. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.
- NPI issued2008 · 41% of these records are older, 54% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2008 · median 2008 among the 119 with a school on file
- Record last updated2026 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in Tennessee
There are 249 physical medicine & rehabilitation physician records in Tennessee.
All 249 in Tennessee → Every provider in Knoxville → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Mary Dillon, MDKnoxville, TN 379161326195363
- Adam Epps, DOKnoxville, TN 379161740778919
- Steve Ferguson, M.D.Knoxville, TN 379161013965623
- Charles Fisher, D.O.Knoxville, TN 379161972995603
- Sharon Glass, M.D.Knoxville, TN 379161275591505
- John Lavelle, DOKnoxville, TN 379161942462494
- Leslie Taylor, PTAKnoxville, TN 379161457881724
- Jessica Wacker, PTAKnoxville, TN 379171073145470
Common questions
What is Joshua Ryan Johnson, M.D.'s NPI number?
Joshua Ryan Johnson, M.D.'s National Provider Identifier (NPI) is 1427220334, issued on Mar 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Ryan Johnson, M.D. located?
The NPPES record lists a practice address at 1422 Old Weisgarber RD, Knoxville, TN, 37909. Phone: (865) 558-4400. Providers update this record themselves, so call before visiting.
How can I verify Joshua Ryan Johnson, M.D.'s license?
NPPES lists Tennessee license number 50125, 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 Joshua Ryan Johnson, M.D. prescribe under Medicare Part D?
In 2024, Joshua Ryan Johnson, M.D. had 237 Medicare Part D claims for 137 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
What is Joshua Ryan Johnson, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.