James Nielsen, MD
NPI 1295735710 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Pensacola, FL
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Nielsen, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Pensacola, FL (NPI 1295735710).
Provider details
- NPI number
- 1295735710
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- H2643 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
183 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 54 | $51 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 24 | $133 |
| Coronary Artery Bypass Using Artery Graft, 1 Graft33533 | 23 | $1,269 |
| Replacement of Aortic Valve Through the Skin and Femoral Artery33361 | 21 | $788 |
| Harvest of Vein Using an Endoscope33508 | 19 | $12 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,284 across 22 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 601 7th St S Ste 205St Petersburg, FL 33701-4748Phone: (727) 893-6234Fax: (727) 893-6111
- 2604 Saint Michael Dr Ste 425Texarkana, TX 75503-2378Phone: (903) 614-5600
Registry dates
- Enumerated
- 2005-07-27
- Last updated
- 2026-04-03
- Certified
- 2026-04-03
Frequently asked questions
- What is James Nielsen's NPI number?
- James Nielsen's National Provider Identifier (NPI) is 1295735710, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Nielsen's specialty?
- James Nielsen is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is James Nielsen located?
- James Nielsen's practice location on file with NPPES is 5147 N 9th Ave Ste 318, Pensacola, FL 32504-8710.
- What is James Nielsen's phone number?
- The practice phone number listed in the NPPES registry for James Nielsen is (850) 416-2965.
- Does James Nielsen accept Medicare?
- James Nielsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Nielsen's NPI active?
- Yes — James Nielsen's NPI (1295735710) is active in the NPPES registry as of the last update on 2026-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.