Doctor profile · Federal record

Dr. James Zellner, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Cardiac Surgery) · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Chattanooga, TN

  • NPI 1184610867
  • Accepts Medicare
  • MIPS 94.7 / 100 · 2023
  • 40 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2108 E 3Rd St, Suite 300
Chattanooga, TN 374042605
(423) 624-5233
fax (423) 624-4440
Mailing address
2501 Citico Ave
Chattanooga, TN 374041127

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
December 5, 2016
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
208G00000X — NUCC code
State licenses (3)
Tennessee #34082 · Georgia #048838 · South Carolina #13478
Medicaid
TN #3849578

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184610867. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
313
Distinct HCPCS
10
Medicare allowed
$143,804
HCPCS Description Services Patients Avg allowed
33508 Harvest of vein using an endoscope 47 47 $14
99205 New patient office or other outpatient visit, 60-74 minutes 41 41 $198
99215 Established patient office or other outpatient visit, 40-54 minutes 35 32 $167
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 29 28 $164
33533 Coronary artery bypass using artery graft, 1 graft 25 25 $1,512
35600 Harvest of arm artery segment for heart byplass procedure 23 23 $166
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 20 18 $73
33361 Replacement of aortic valve through the skin and femoral artery 17 17 $677
99214 Established patient office or other outpatient visit, 30-39 minutes 16 16 $120
33519 Coronary artery bypass using vein or artery graft, 3 grafts 13 13 $486

In context: peer comparison

Among 4 peers in Chattanooga Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 23. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,002
Transactions
44
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Edwards Lifesciences Corporation 19 $470.87
Atricure, INC. 17 $356.07
Artivion, INC. 3 $67.46
Abbott Laboratories 2 $41.45
La Jolla Pharmaceutical Company 1 $32.10
Haemonetics Corporation 1 $21.27
Smith+Nephew, INC. 1 $13.12

By nature of payment

Food and Beverage
$1,002

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Zellner's medical specialty?
Dr. James Zellner practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Chattanooga, TN.
Where does Dr. James Zellner practice?
Dr. James Zellner practices at 2108 E 3Rd St, Chattanooga, TN 374042605. Office phone: 4236245233.
What is Dr. James Zellner's NPI?
Dr. James Zellner's National Provider Identifier (NPI) is 1184610867, issued by NPPES.
Does Dr. James Zellner accept Medicare assignment?
Yes. Dr. James Zellner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Zellner commonly perform?
Top Medicare-reported procedures in 2023: Harvest of vein using an endoscope (HCPCS 33508); New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.