Doctor profile · Federal record

Dr. Paul Williamson, MD

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Orlando, FL

  • NPI 1336143676
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
110 W Underwood St, Ste A
Orlando, FL 328061139
(407) 422-3790
fax (407) 425-4358

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
August 1, 2019
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
Florida #ME43182
Medicaid
FL #057703100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336143676. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
415
Distinct HCPCS
10
Medicare allowed
$54,964
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 111 69 $176
99214 Established patient office or other outpatient visit, 30-39 minutes 65 53 $124
46600 Diagnostic exam of anus using an endoscope 62 53 $116
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 45 25 $50
99204 New patient office or other outpatient visit, 45-59 minutes 40 40 $164
99203 New patient office or other outpatient visit, 30-44 minutes 28 28 $108
99213 Established patient office or other outpatient visit, 20-29 minutes 23 19 $88
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 16 $130
45378 Diagnostic exam of large bowel using a flexible endoscope 14 14 $165
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 11 11 $183

In context: peer comparison

Among 11 peers in Orlando Colon & Rectal Surgery Physician, average services per provider: 34. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$608
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 1 $168.32
Stryker Corporation 1 $165.28
Rti Surgical, INC 1 $134.82
Smith+Nephew, INC. 1 $119.14
Solventum Corporation 1 $20.07

By nature of payment

Food and Beverage
$608

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
162
Patients
138
Total drug cost
$6,940
Drug Type Claims Patients Total cost
Metronidazole Generic 35 33 $88
Potassium Chloride Generic 29 27 $34
Neomycin Sulfate Generic 27 25 $167
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 26 25 $2,045
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 18 17 $3,162
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 16 0 $1,380
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 11 11 $63

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Paul Williamson's medical specialty?
Dr. Paul Williamson practices Colon & Rectal Surgery Physician in Orlando, FL.
Where does Dr. Paul Williamson practice?
Dr. Paul Williamson practices at 110 W Underwood St, Orlando, FL 328061139. Office phone: 4074223790.
What is Dr. Paul Williamson's NPI?
Dr. Paul Williamson's National Provider Identifier (NPI) is 1336143676, issued by NPPES.
Does Dr. Paul Williamson accept Medicare assignment?
Yes. Dr. Paul Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Paul Williamson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Diagnostic exam of anus using an endoscope (HCPCS 46600). Source: CMS Medicare Physician & Other Practitioners file.