Doctor profile · Federal record

Dr. James Nielsen, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Pensacola, FL

  • NPI 1295735710
  • Accepts Medicare
  • MIPS 88.5 / 100 · 2023
  • 40 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
5147 N 9Th Ave Ste 318
Pensacola, FL 325048710
(850) 416-2965
fax (850) 416-1833
Additional location
601 7Th St S Ste 205
St Petersburg, FL 337014748
(727) 893-6234
fax (727) 893-6111
Additional location
2604 Saint Michael Dr Ste 425
Texarkana, TX 755032378
(903) 614-5600
Mailing address
4205 Belfort RD Ste 4015
Jacksonville, FL 322163623

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
April 3, 2026
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
208G00000X — NUCC code
State licenses (2)
Florida #ME65879 · Texas #H2643
Medicaid (2)
FL #3756050 00 · AL #009409040

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295735710. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
109
Distinct HCPCS
6
Medicare allowed
$32,097
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 27 20 $50
33533 Coronary artery bypass using artery graft, 1 graft 22 22 $1,078
33508 Harvest of vein using an endoscope 18 18 $10
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 16 $130
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 14 14 $79
33518 Coronary artery bypass using vein or artery graft, 2 grafts 12 12 $305

In context: peer comparison

Among 7 peers in this city , average services per provider: 32. This provider delivers 3.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,284
Transactions
22
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Edwards Lifesciences Corporation 14 $1,759.96
AstraZeneca Pharmaceuticals LP 2 $179.78
ABIOMED 1 $166.80
Abbott Laboratories 1 $94.83
Cook Medical LLC 2 $46.22
Cgg Medical Inc 1 $23.43
Smith+Nephew, Inc. 1 $13.27

By nature of payment

Food and Beverage
$1,237
Travel and Lodging
$1,048

Frequently asked questions

Auto-generated from federal data
What is Dr. James Nielsen's medical specialty?
Dr. James Nielsen practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Pensacola, FL.
Where does Dr. James Nielsen practice?
Dr. James Nielsen practices at 5147 N 9Th Ave Ste 318, Pensacola, FL 325048710. Office phone: 8504162965.
What is Dr. James Nielsen's NPI?
Dr. James Nielsen's National Provider Identifier (NPI) is 1295735710, issued by NPPES.
Does Dr. James Nielsen accept Medicare assignment?
Yes. Dr. James Nielsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Nielsen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533); Harvest of vein using an endoscope (HCPCS 33508). Source: CMS Medicare Physician & Other Practitioners file.