Warren Ewing Gardner, MD
Orthopaedic Surgery Physician · Chattanooga, TN
Warren Ewing Gardner, MD is an orthopaedic surgery physician with a practice address in Chattanooga, Tennessee, and NPI 1831308139, issued on May 22, 2007. Check the license (Tennessee 44975, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Warren Ewing Gardner
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 44975 TN
Self-reported in NPPES; status is on the state search - Practice location
- 975 East Third Street, Chattanooga, TN 37403
- Phone
- (423) 778-5995
- Enumerated
- May 22, 2007
- Record last updated
- Sep 15, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (423) 778-5994
- Medicare enrollment
- Enrolled (PECOS I20090720000588); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 467 in Tennessee → Look up another NPI →
Also registered at 975 East Third Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Gabriel Bruffy-Holmes, M.D.Emergency Medicine Physician1588958474
- Toni Dobson, NP-CFamily Nurse Practitioner1760897854
- Nancy JhanjiStudent in an Organized Health Care Education/Training Program1508508813
- Aikya Manchikalapati, MBBS, MDStudent in an Organized Health Care Education/Training Program1306781927
Verify Warren Ewing Gardner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 44975Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
38 Medicare Part D claims for 30 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
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: $3,003.52
14 payments; by number, the most common kind was food and beverage; the largest payer was Synthes GmbH. The 15,003 providers of this specialty with any payment received $23,022.89 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 2 group practices
- Chattanooga Hamilton County Hospital AuthorityChattanooga, TN
- Erlanger HealthChattanooga, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Warren Ewing Gardner among 467 orthopaedic surgery physician records in Tennessee
Warren Ewing Gardner, MD is one of 467 orthopaedic surgery physician records with a practice address in Tennessee. 77% 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 58% of them.
- NPI issued2007 · 58% of these records are older, 32% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2004 · median 2003 among the 306 with a school on file
- Record last updated2015 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Tennessee
There are 467 orthopaedic surgery physician records in Tennessee.
All 467 in Tennessee → Every provider in Chattanooga → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Alex Balboa, MDChattanooga, TN 374031922687896
- Jeremy Bruce, MDChattanooga, TN 374031073711677
- Channappa Chandra, M.D.Chattanooga, TN 374031073510509
- Matthew Higgins, M.D.Chattanooga, TN 374031629205752
- Dirk Kiner, MDChattanooga, TN 374031588698583
- Thorton Perkins, MDChattanooga, TN 374031366741282
- Kristopher Sanders, M.D.Chattanooga, TN 374031730405531
- Scott Steinmann, M.D.Chattanooga, TN 374031831179902
Common questions
What is Warren Ewing Gardner, MD's NPI number?
Warren Ewing Gardner, MD's National Provider Identifier (NPI) is 1831308139, issued on May 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Warren Ewing Gardner, MD located?
The NPPES record lists a practice address at 975 East Third Street, Chattanooga, TN, 37403. Phone: (423) 778-5995. Providers update this record themselves, so call before visiting.
How can I verify Warren Ewing Gardner, MD's license?
NPPES lists Tennessee license number 44975, 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 Warren Ewing Gardner, MD prescribe under Medicare Part D?
In 2024, Warren Ewing Gardner, MD had 38 Medicare Part D claims for 30 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Warren Ewing Gardner, MD'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.