John A. Dorizas, M.D.
Sports Medicine (Orthopaedic Surgery) Physician · Chattanooga, TN
John A. Dorizas, M.D. is a sports medicine (orthopaedic surgery) physician with a practice address in Chattanooga, Tennessee, and NPI 1144290834, issued on Jan 25, 2006. Check the license (Tennessee 39362, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John A. Dorizas
- Credential
- M.D.
- Primary taxonomy
- Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
- License number
- 39362 TN
Self-reported in NPPES; status is on the state search - Practice location
- 979 E 3RD St Ste C430, Chattanooga, TN 37403
- Phone
- (423) 624-6584
- Enumerated
- Jan 25, 2006
- Record last updated
- Feb 28, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (423) 624-6588
- Medicare enrollment
- Enrolled (PECOS I20050202001017); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest sports medicine (orthopaedic surgery) physician records → All 106 in Tennessee → Look up another NPI →
Also registered at 979 E 3RD St Ste C430
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Scott Steinmann, M.D.Orthopaedic Surgery Physician1831179902
Verify John A. Dorizas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 39362Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average sports medicine (orthopaedic surgery) physician in 2024
130 Medicare Part D claims for 45 beneficiaries, against an average of 288 among the 2,562 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 11 claims were for opioids.
Most prescribed
- Methocarbamol35 claims
- Diclofenac Sodium19 claims
- Methylprednisolone17 claims
- Cyclobenzaprine 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 MIPS final score for 2023 (Medicare payment program): 96.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $133.41
5 payments; by number, the most common kind was food and beverage; the largest payer was Smoky Mountain Surgical Llc. The 2,400 providers of this specialty with any payment received $19,779.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Erlanger HealthSignal Mountain, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John A. Dorizas among 106 sports medicine (orthopaedic surgery) physician records in Tennessee
John A. Dorizas, M.D. is one of 106 sports medicine (orthopaedic surgery) physician records with a practice address in Tennessee. 96% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 22% of them.
- NPI issued2006 · 22% of these records are older, 45% newer
- In a Medicare fileYes · 96% of these records are
- In the CMS Doctors and Clinicians fileYes · 93% of these records are
- Graduated1999 · median 2001 among the 99 with a school on file
- Record last updated2013 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0005X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sports Medicine (Orthopaedic Surgery) Physician providers in Tennessee
There are 106 sports medicine (orthopaedic surgery) physician records in Tennessee.
All 106 in Tennessee → Every provider in Chattanooga → Sports Medicine (Orthopaedic Surgery) Physician nationwide →
The 8 sports medicine (orthopaedic surgery) physician records with the nearest ZIP codes
- Brandon Cincere, M.D.Chattanooga, TN 374031679694434
- Todd Bell, M.D.Chattanooga, TN 374041952309304
- Benjamin Miller, M.D.Chattanooga, TN 374041720252109
- Chad Smalley, M.D.Chattanooga, TN 374041891728457
- John Arnold, MDDecherd, TN 373241801093695
- Eric Bowman, M.D.Nashville, TN 372321801153622
- Charles Cox, MDNashville, TN 372321770783664
- John Kuhn, MDNashville, TN 372321619064730
Common questions
What is John A. Dorizas, M.D.'s NPI number?
John A. Dorizas, M.D.'s National Provider Identifier (NPI) is 1144290834, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John A. Dorizas, M.D. located?
The NPPES record lists a practice address at 979 E 3RD St Ste C430, Chattanooga, TN, 37403. Phone: (423) 624-6584. Providers update this record themselves, so call before visiting.
How can I verify John A. Dorizas, M.D.'s license?
NPPES lists Tennessee license number 39362, 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 John A. Dorizas, M.D. prescribe under Medicare Part D?
In 2024, John A. Dorizas, M.D. had 130 Medicare Part D claims for 45 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 288. Part D covers Medicare prescriptions only.
What is John A. Dorizas, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.2 of 100. 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.