Doctor profile · Federal record

Dr. Gregory Knudson, M.D.

Urology Physician (CMS: Urology) · Delaware, OH

  • NPI 1033284286
  • Accepts Medicare
  • MIPS 81.3 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
551 W Central Ave Ste 102
Delaware, OH 430151498
(740) 368-5550
fax (740) 368-5591
Mailing address
Po Box 7527
Dublin, OH 430170727

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
September 22, 2022
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
208800000X — NUCC code
State license (1)
Ohio #35.063160
Medicaid
OH #0871187

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033284286. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,036
Distinct HCPCS
10
Medicare allowed
$149,193
HCPCS Description Services Patients Avg allowed
81003 Automated urinalysis test 692 525 $2
99213 Established patient office or other outpatient visit, 20-29 minutes 680 536 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 133 116 $121
99203 New patient office or other outpatient visit, 30-44 minutes 104 104 $108
52000 Diagnostic exam of bladder and urethra using an endoscope 81 71 $226
74420 Imaging of urinary tract following injection of a contrast agent 50 49 $24
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 38 36 $81
51798 Ultrasound measurement of bladder capacity after voiding 32 29 $10
52356 Crushing of stone of ureter with insertion of stent using an endoscope 32 30 $439
99212 Established patient office or other outpatient visit, 10-19 minutes 28 18 $54

In context: peer comparison

Among 1 peers in this city , average services per provider: 101. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$74
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
SpringWorks Therapeutics, Inc. 2 $48.36
Boston Scientific Corporation 1 $26.11

By nature of payment

Food and Beverage
$74

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,838
Patients
1,281
Total drug cost
$119,548
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 1,142 452 $26,486
Oxybutynin Chloride Er (Oxybutynin Chloride) Brand 527 230 $18,193
Finasteride Generic 399 134 $6,406
Ciprofloxacin Hcl Generic 148 129 $719
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 106 102 $460
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 87 60 $683
Potassium Citrate Er (Potassium Citrate) Brand 73 27 $10,373
Imipramine Hcl Generic 62 22 $2,018
Dutasteride Generic 60 25 $2,811
Alfuzosin Hcl Er (Alfuzosin Hcl) Brand 50 17 $2,404

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Knudson's medical specialty?
Dr. Gregory Knudson practices Urology Physician in Delaware, OH.
Where does Dr. Gregory Knudson practice?
Dr. Gregory Knudson practices at 551 W Central Ave Ste 102, Delaware, OH 430151498. Office phone: 7403685550.
What is Dr. Gregory Knudson's NPI?
Dr. Gregory Knudson's National Provider Identifier (NPI) is 1033284286, issued by NPPES.
Does Dr. Gregory Knudson accept Medicare assignment?
Yes. Dr. Gregory Knudson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Knudson commonly perform?
Top Medicare-reported procedures in 2023: Automated urinalysis test (HCPCS 81003); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.