Gregory Knudson, M.D.
NPI 1033284286 · Urology Physician · Delaware, OH
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Knudson, M.D. is a Urology Physician provider in Delaware, OH (NPI 1033284286).
Provider details
- NPI number
- 1033284286
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35.063160 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,420 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 729 | $88 |
| Automated Urinalysis Test81003 | 553 | $2 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 295 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 218 | $125 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 73 | $227 |
| Ultrasound Measurement of Bladder Capacity After Voiding |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 1,385 | 489 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 496 | 219 |
| Finasteride | 396 | 126 |
| Solifenacin Succinate | 212 | 102 |
| Ciprofloxacin Hcl | 149 | 128 |
| Dutasteride | 135 | 53 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 101 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$74 across 3 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
Registry dates
- Enumerated
- 2006-11-22
- Last updated
- 2022-09-22
- Certified
- 2022-09-22
Frequently asked questions
- What is Gregory Knudson's NPI number?
- Gregory Knudson's National Provider Identifier (NPI) is 1033284286, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Knudson's specialty?
- Gregory Knudson is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Knudson located?
- Gregory Knudson's practice location on file with NPPES is 551 W Central Ave Ste 102, Delaware, OH 43015-1498.
- What is Gregory Knudson's phone number?
- The practice phone number listed in the NPPES registry for Gregory Knudson is (740) 368-5550.
- Does Gregory Knudson accept Medicare?
- Gregory Knudson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Knudson's NPI active?
- Yes — Gregory Knudson's NPI (1033284286) is active in the NPPES registry as of the last update on 2022-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.