Doctor profile · Federal record

Dr. Warren Gardner, MD

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Chattanooga, TN

  • NPI 1831308139
  • Accepts Medicare
  • MIPS 92.6 / 100 · 2023
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
975 East Third Street, Suite C-225
Chattanooga, TN 37403
(423) 778-5995
fax (423) 778-5994
Mailing address
975 E. Third Street, Attn: Provider Enrollment
Chattanooga, TN 37403

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
September 15, 2015
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Tennessee #44975

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831308139. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
154
Distinct HCPCS
7
Medicare allowed
$13,926
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 30 30 $161
99213 Established patient office or other outpatient visit, 20-29 minutes 27 22 $83
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 27 27 $121
73552 X-ray of thigh bone, minimum 2 views 23 11 $32
72190 X-ray of pelvis, minimum of 3 views 17 12 $39
73610 X-ray of ankle, minimum of 3 views 16 11 $33
99214 Established patient office or other outpatient visit, 30-39 minutes 14 11 $117

In context: peer comparison

Among 12 peers in Chattanooga Orthopaedic Surgery Physician, average services per provider: 96. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,004
Transactions
14
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Synthes GmbH 4 $2,426.91
Innovation Technologies INC 2 $287.88
Smith+Nephew, INC. 6 $152.86
Globus Medical, INC. 1 $122.18
Bioventus LLC 1 $13.69

By nature of payment

Compensation for Serving As Faculty or As A Speaker for A Medical Education Program
$1,500
Travel and Lodging
$800
Food and Beverage
$704

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Warren Gardner's medical specialty?
Dr. Warren Gardner practices Orthopaedic Surgery Physician in Chattanooga, TN.
Where does Dr. Warren Gardner practice?
Dr. Warren Gardner practices at 975 East Third Street, Chattanooga, TN 37403. Office phone: 4237785995.
What is Dr. Warren Gardner's NPI?
Dr. Warren Gardner's National Provider Identifier (NPI) is 1831308139, issued by NPPES.
Does Dr. Warren Gardner accept Medicare assignment?
Yes. Dr. Warren Gardner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Warren Gardner commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.