Dr. Gregory S. Knudson
- Gender: Male
- Experience: 35 years
- Graduated from: University Of Illinois College Of Med (chi/peor/rock/chm-urb)
- Graduation year: 1986
- Sole propriator: No
- NPI: 1033284286
Dr. Gregory S. Knudson M.D.
Urologist
He is located at 551 West Central Avenue Suite 102 in Delaware, OH 43015. Can help patients with the following: Benign Prostatic Hyperplasia (BPH), Chlamydia, Erectile Dysfunction (ED), Hydrocele, Overactive Bladder (OAB), Urethritis. His National Provider Identifier (NPI) number is 1033284286. Appointment can be made via the phone number (740) 368-5550. He also has a website where you can get more information. The website can be found at https://www.ohiohealth.com/find-a-doctor/profile/259/Gregory-S-Knudson-MD. He is affiliated with 6 practices and 5 hospitals.
Conditions treated
Dr. Gregory S. Knudson, being an urologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Gregory S. Knudson.
- Benign Prostatic Hyperplasia (BPH)
- Bladder Cancer
- Bladder Control
- Bladder Spasms
- Blood in Semen
- Blood in Urine
- Chlamydia
- Epididymitis
- Erectile Dysfunction (ED)
- Hydrocele
- Hydronephrosis
- Infertility
- Kidney Infection
- Kidney Stones
- Mens Health
- Overactive Bladder (OAB)
- Painful Bladder Syndrome
- Premature Ejaculation (PE)
- Priapism
- Prostatitis
- Testicular Torsion
- Undescended Testes
- Urethritis
- Urinary Incontinence (UI)
- Urinary Retention
- Urinary Tract Infection (UTI)
- Varicocele
Procedures Performed by Dr. Gregory S. Knudson
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Gregory S. Knudson as in-network for the following 2026 plans.
Health plans
Anthem Blue Cross and Blue Shield
Network data as of Sep 10, 2026, as reported by the insurer.
Show all 11 plans from Anthem Blue Cross and Blue Shield
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Anthem Bronze Pathway 10600 ($0 Virtual PCP + $0 Select Drugs) | HMO · Bronze | Participating | Accepting new patients at some locations |
| Anthem Bronze Pathway 10600 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs) | HMO · Bronze | Participating | Accepting new patients at some locations |
| Anthem Bronze Pathway 7500 Standard ($0 Virtual PCP + $0 Select Drugs) | HMO · Expanded Bronze | Participating | Accepting new patients at some locations |
| Anthem Bronze Pathway 8500 for HSA | HMO · Expanded Bronze | Participating | Accepting new patients at some locations |
| Anthem Gold Pathway 2000 Standard ($0 Virtual PCP + $0 Select Drugs) | HMO · Gold | Participating | Accepting new patients at some locations |
| Anthem Heart Healthy Bronze Pathway 6000 ($0 Virtual PCP + $0 Select Drugs) | HMO · Expanded Bronze | Participating | Accepting new patients at some locations |
| Anthem Heart Healthy Silver Pathway 5000 ($0 Virtual PCP + $0 Select Drugs) | HMO · Silver | Participating | Accepting new patients at some locations |
| Anthem Silver Pathway 4000 ($0 Virtual PCP + $0 Select Drugs) | HMO · Silver | Participating | Accepting new patients at some locations |
| Anthem Silver Pathway 4000 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs) | HMO · Silver | Participating | Accepting new patients at some locations |
| Anthem Silver Pathway 5500 for HSA | HMO · Silver | Participating | Accepting new patients at some locations |
| Anthem Silver Pathway 6000 Standard ($0 Virtual PCP + $0 Select Drugs) | HMO · Silver | Participating | Accepting new patients at some locations |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Gregory S. Knudson is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Gregory S. Knudson is enrolled to bill Medicare as a Practitioner - Urology .
Bills through: Ohiohealth Corporation
Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated in 1986Other ways to reach out
- Website: https://www.ohiohealth.com/find-a-doctor/profile/259/Gregory-S-Knudson-MD
Affiliated practices
Affiliated hospitals
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Questions & Answers
Does Dr. Gregory S. Knudson have affiliation with practices?
Dr. Gregory S. Knudson is affiliated with Ohiohealth Physician Group. For the full list of practices see this list.
What conditions does Dr. Gregory S. Knudson treat?
Dr. Gregory S. Knudson provides treatment for Benign Prostatic Hyperplasia (BPH), Chlamydia, Erectile Dysfunction (ED), Hydrocele, Overactive Bladder (OAB), Urethritis. For the full list see this list.
Does Dr. Gregory S. Knudson accept patients with Anthem Blue Cross and Blue Shield?
Yes, Dr. Gregory S. Knudson is listed in-network for Anthem Blue Cross and Blue Shield through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. Gregory S. Knudson affiliation with hospitals?
Dr. Gregory S. Knudson is affiliated with RIVERSIDE METHODIST HOSPITAL. For the full list of hospitals see this list.
Where can you meet with Dr. Gregory S. Knudson?
Dr. Gregory S. Knudson's office is located at 551 West Central Avenue Suite 102 in Delaware, OH 43015.