Doctor profile · Federal record

Dr. Zachary Fleissner, DO

Anesthesiology Physician (CMS: Anesthesiology) · Jacksonville, FL

  • NPI 1033773494
  • Accepts Medicare
  • MIPS 76.2 / 100 · 2023
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4500 San Pablo RD S
Jacksonville, FL 322241865
(904) 953-2000

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
June 13, 2023
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Florida #OS19666

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033773494. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
177
Distinct HCPCS
8
Medicare allowed
$14,940
HCPCS Description Services Patients Avg allowed
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 55 13 $32
76937 Ultrasonic guidance for blood vessel access 23 21 $14
00520 Anesthesia for other closed procedure on chest 21 21 $109
36620 Insertion of artery tube for blood sampling or infusion through skin 19 18 $45
00670 Anesthesia for extensive surgery on spine 17 17 $304
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 17 17 $102
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 13 13 $85
01922 Anesthesia for x-ray or radiation therapy 12 12 $143

In context: peer comparison

Among 70 peers in this city , average services per provider: 25. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$402
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Edwards Lifesciences Corporation 1 $149.71
Philips North America LLC 1 $131.08
Pacira Pharmaceuticals Incorporated 1 $120.87

By nature of payment

Food and Beverage
$402

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Zachary Fleissner's medical specialty?
Dr. Zachary Fleissner practices Anesthesiology Physician in Jacksonville, FL.
Where does Dr. Zachary Fleissner practice?
Dr. Zachary Fleissner practices at 4500 San Pablo RD S, Jacksonville, FL 322241865. Office phone: 9049532000.
What is Dr. Zachary Fleissner's NPI?
Dr. Zachary Fleissner's National Provider Identifier (NPI) is 1033773494, issued by NPPES.
Does Dr. Zachary Fleissner accept Medicare assignment?
Yes. Dr. Zachary Fleissner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Fleissner commonly perform?
Top Medicare-reported procedures in 2023: Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212); Ultrasonic guidance for blood vessel access (HCPCS 76937); Anesthesia for other closed procedure on chest (HCPCS 00520). Source: CMS Medicare Physician & Other Practitioners file.