Doctor profile · Federal record

Dr. Brian Trezak, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Florence, SC

  • NPI 1003913526
  • Accepts Medicare
  • 30 yrs in practice
  • Licensed in 5 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
805 Pamplico Hwy
Florence, SC 295056047
(843) 792-1414
Additional location
1843 Quiet Cove
Fayetteville, NC 283043857
(910) 483-8080
fax (910) 483-3258
Additional location
321 Mulberry St Sw
Lenoir, NC 28645
(828) 757-5504
fax (828) 757-5501
Show 2 more locations
Additional location
789 Central Ave
Dover, NH 038202526
(603) 740-2503
fax (910) 483-3258
Additional location
267 Grant St
Bridgeport, CT 066102805
(203) 384-4677
fax (203) 384-3135
Mailing address
Po Box 23321
New York, NY 100873221

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
August 21, 2024
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (5)
New Hampshire #17416 · South Carolina #21385 · Maine #MD28278 · North Carolina #2007-000516 · Connecticut #62579
Medicaid
SC #213851

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003913526. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
298
Distinct HCPCS
3
Medicare allowed
$40,562
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 201 201 $129
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 75 73 $172
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 22 22 $82

In context: peer comparison

Among 21 peers in Florence Internal Medicine Physician, average services per provider: 114. This provider delivers 2.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Trezak's medical specialty?
Dr. Brian Trezak practices Internal Medicine Physician in Florence, SC.
Where does Dr. Brian Trezak practice?
Dr. Brian Trezak practices at 805 Pamplico Hwy, Florence, SC 295056047. Office phone: 8437921414.
What is Dr. Brian Trezak's NPI?
Dr. Brian Trezak's National Provider Identifier (NPI) is 1003913526, issued by NPPES.
Does Dr. Brian Trezak accept Medicare assignment?
Yes. Dr. Brian Trezak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Trezak commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.