Dr. Gregory James Horwitz
Dr. Gregory J. Horwitz
Last updated: Apr 12, 2021

Dr. Gregory J. Horwitz

  • Gender: Male
  • Experience: 18 years
  • Graduated from: University Of Wisconsin School Of Medicine
  • Graduation year: 2003
  • Sole propriator: No
  • NPI: 1689798613

Dr. Gregory J. Horwitz M.D.

Urologist

He is located at 1950 Diamond Parkway Suite 200 in North Kansas City, MO 64116. Can help patients with the following: Creutzfeldt-Jakob Disease (CJD), Febrile Seizure, Kidney Stones, Peripheral Neuropathy, Varicocele, Wernicke-Korsakoff Syndrome. His National Provider Identifier (NPI) number is 1689798613. Appointment can be made via the phone number (816) 842-6717. He is affiliated with 1 practices and 5 hospitals.

Conditions treated

Dr. Gregory James Horwitz, 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 J. Horwitz.

  • Alzheimer's Disease
  • Amnesia
  • Amyotrophic Lateral Sclerosis (ALS)
  • Aphasia
  • Autism
  • Benign Prostatic Hyperplasia (BPH)
  • Bladder Cancer
  • Bladder Control
  • Bladder Spasms
  • Blood in Semen
  • Blood in Urine
  • Brain Aneurysm
  • Brain Damage
  • Brain Hemorrhage
  • Cerebral Palsy (CP)
  • Cervical Radiculopathy
  • Charcot-Marie-Tooth Disease (CMT)
  • Chlamydia
  • Claudication
  • Cluster Headaches
  • Complex Regional Pain Syndrome
  • Concussion
  • Creutzfeldt-Jakob Disease (CJD)
  • Degenerative Disc Disease (DDD)
  • Dementia
  • Double Vision
  • Dyslexia
  • Dystonia
  • Early Onset Alzheimers
  • Encephalitis
  • Encephalopathy
  • Epididymitis
  • Epilepsy
  • Erectile Dysfunction (ED)
  • Face Blindness
  • Fainting
  • Febrile Seizure
  • Guillain-Barre Syndrome (GBS)
  • Head Injury
  • Headache
  • Heart Disease
  • Herniated Disc
  • Huntington's Disease (HD)
  • Hydrocele
  • Hydronephrosis
  • Infertility
  • Kidney Infection
  • Kidney Stones
  • Low Back Pain
  • Lumbar Spinal Stenosis
  • Mad Cow Disease
  • Meningitis
  • Mens Health
  • Meralgia Paresthetica
  • Migraine
  • Motion Sickness
  • Multiple Sclerosis (MS)
  • Myasthenia Gravis (MG)
  • Myofascial Pain Syndrome (MPS)
  • Nerve Damage
  • Neuropathic Pain
  • Optic Neuritis
  • Overactive Bladder (OAB)
  • PANDAS
  • Painful Bladder Syndrome
  • Paralysis
  • Parkinson's Disease
  • Peripheral Nerve Injuries
  • Peripheral Nerve Tumors
  • Peripheral Neuropathy
  • Pinched Nerve
  • Polio
  • Premature Ejaculation (PE)
  • Priapism
  • Progressive Neurological Disorders
  • Prostatitis
  • Pseudotumor Cerebri
  • Sciatica
  • Seizures
  • Stiff Person Syndrome (SPS)
  • Stroke
  • Tardive Dyskinesia
  • Tension Headache
  • Testicular Torsion
  • Tics
  • Tinnitus
  • Tourette Syndrome
  • Transient Ischemic Attack (TIA)
  • Traumatic Brain Injury
  • Tremor
  • Trigeminal Neuralgia (TN)
  • Undescended Testes
  • Urethritis
  • Urinary Incontinence (UI)
  • Urinary Retention
  • Urinary Tract Infection (UTI)
  • Uterine Cancer
  • Varicocele
  • Vertigo
  • Vestibular Testing
  • Wernicke-Korsakoff Syndrome

Procedures Performed by Dr. Gregory J. Horwitz

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Gregory J. Horwitz as in-network for the following 2026 plans.

Health plans

Anthem Blue Cross and Blue Shield

Network data as of Mar 26, 2026, as reported by the insurer.

Show all 10 plans from Anthem Blue Cross and Blue Shield
Anthem Blue Cross and Blue Shield plans
Plan Plan type Network tier New patients
Anthem Bronze Pathway 10150 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Bronze Participating Accepting new patients
Anthem Bronze Pathway 6900 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Expanded Bronze Participating Accepting new patients
Anthem Bronze Pathway 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Expanded Bronze Participating Accepting new patients
Anthem Catastrophic Pathway (+ Incentives) EPO · Catastrophic Participating Accepting new patients
Anthem Gold Pathway 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Gold Participating Accepting new patients
Anthem Heart Healthy Bronze Pathway 4900 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Expanded Bronze Participating Accepting new patients
Anthem Heart Healthy Silver Pathway 3100 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Silver Participating Accepting new patients
Anthem Silver Pathway 5350 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Silver Participating Accepting new patients
Anthem Silver Pathway 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Silver Participating Accepting new patients
Anthem Silver Pathway 7200 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Silver Participating Accepting new patients

Blue Cross and Blue Shield of Kansas City

Network data as of Sep 8, 2026, as reported by the insurer.

Show all 14 plans from Blue Cross and Blue Shield of Kansas City
Blue Cross and Blue Shield of Kansas City plans
Plan Plan type Network tier New patients
Blue KC Catastrophic BlueSelect EPO EPO · Catastrophic Preferred Accepting new patients
Blue KC Choice Bronze 2 with Spira Care BlueSelect EPO EPO · Expanded Bronze Preferred Accepting new patients
Blue KC Choice Silver 1 with Spira Care BlueSelect EPO EPO · Silver Preferred Accepting new patients
Blue KC Community Silver Preferred-Care Blue EPO EPO · Silver Preferred Accepting new patients
Blue KC First Bronze Preferred-Care Blue EPO EPO · Expanded Bronze Preferred Accepting new patients
Blue KC Simply Blue Bronze with Spira Care Blue Metro EPO EPO · Expanded Bronze Preferred Accepting new patients
Blue KC Simply Blue Gold with Spira Care Blue Metro EPO EPO · Gold Preferred Accepting new patients
Blue KC Simply Blue Silver with Spira Care Blue Metro EPO EPO · Silver Preferred Accepting new patients
Blue KC Standard Bronze BlueSelect EPO EPO · Expanded Bronze Preferred Accepting new patients
Blue KC Standard Bronze Preferred-Care Blue EPO EPO · Expanded Bronze Preferred Accepting new patients
Blue KC Standard Gold BlueSelect EPO EPO · Gold Preferred Accepting new patients
Blue KC Standard Gold Preferred-Care Blue EPO EPO · Gold Preferred Accepting new patients
Blue KC Standard Silver BlueSelect EPO EPO · Silver Preferred Accepting new patients
Blue KC Standard Silver Preferred-Care Blue EPO EPO · Silver Preferred Accepting new patients

Medica

Network data as of Jul 13, 2026, as reported by the insurer.

Show all 9 plans from Medica
Medica plans
Plan Plan type Network tier New patients
Select by Medica Bronze $0 Copay PCP Visits EPO · Expanded Bronze Preferred Accepting new patients
Select by Medica Bronze Share EPO · Expanded Bronze Preferred Accepting new patients
Select by Medica Expanded Bronze Standard EPO · Expanded Bronze Preferred Accepting new patients
Select by Medica Gold $0 Copay PCP Visits EPO · Gold Preferred Accepting new patients
Select by Medica Gold Share EPO · Gold Preferred Accepting new patients
Select by Medica Gold Standard EPO · Gold Preferred Accepting new patients
Select by Medica Silver $0 Copay PCP Visits EPO · Silver Preferred Accepting new patients
Select by Medica Silver Share EPO · Silver Preferred Accepting new patients
Select by Medica Silver Standard EPO · Silver Preferred Accepting new patients

UnitedHealthcare

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 13 plans from UnitedHealthcare
UnitedHealthcare plans
Plan Plan type Network tier New patients
UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) EPO · Expanded Bronze Non Preferred Accepting new patients
UHC Bronze Essential (No Referrals) EPO · Bronze Non Preferred Accepting new patients
UHC Bronze Standard (No Referrals) EPO · Expanded Bronze Non Preferred Accepting new patients
UHC Bronze Standard+ (Dental + Vision, No Referrals) EPO · Expanded Bronze Non Preferred Accepting new patients
UHC Gold Advantage ($0 Virtual Urgent Care, No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Gold Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Gold Standard (No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Silver Advantage ($0 Virtual Urgent Care, No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Standard (No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Standard+ (Dental + Vision, No Referrals) EPO · Silver Non Preferred Accepting new patients

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 J. Horwitz is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Gregory J. Horwitz is enrolled to bill Medicare as a Practitioner - Urology .

Bills through: Ray County Memorial Hospital

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

Astellas Pharma $732
Pfizer $603
Allergan $270

Other

Food and Beverage $4666

Studies

UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE

Graduated in 2003

Additional Specialities

  • Neurologist

Affiliated practices

Kansas City Urology Care PA
10701 Nall Avenue
Overland Park, 66211 KS
(913) 341-7985

Affiliated hospitals

ST LUKES HOSPITAL OF KANSAS CITY
4401 WORNALL ROAD
KANSAS CITY, 64111 MO
(816) 932-2000
NORTH KANSAS CITY HOSPITAL
2800 CLAY EDWARDS DRIVE
NORTH KANSAS CITY, 64116 MO
(816) 691-2000
NEW LIBERTY HOSPITAL DISTRICT
2525 GLENN HENDREN DR
LIBERTY, 64069 MO
(816) 781-7200
RAY COUNTY MEMORIAL HOSPITAL
904 WOLLARD BOULEVARD
RICHMOND, 64085 MO
(816) 470-5432
CARROLL COUNTY MEMORIAL HOSPITAL
1502 NORTH JEFFERSON
CARROLLTON, 64633 MO
(660) 542-1695

Looking for more Urologists?

Here are urologists in Missouri you may want to explore.

Dr. Jayprakash Patel
  • Gender: Male
  • Address: Suite 205 10296 Big Bend Road Saint Louis, 63122, MO
Dr. Gerald L. Andriole
  • Gender: Male
  • Address: Div Surg Urology, Ste 11C 4921 Parkview Place Saint Louis, 63110, MO
Dr. Erica J. Traxel
  • Gender: Female
  • Address: Div Surg Urology, Ste 11C 4921 Parkview Place Saint Louis, 63110, MO
Dr. Salim I. Hawatmeh
  • Gender: Male
  • Address: Suite 200 12345 West Bend Drive Saint Louis, 63128, MO
Dr. Joel Amos Leon Becerril
  • Gender: Male
  • Address: 1050 West 10th Street Rolla, 65401, MO
Dr. Eric Ivan Vogt
  • Gender: Male
  • Address: 3207 West Truman Boulevard Jefferson City, 65109, MO
Dr. Thomas Herrick
  • Gender: Male
  • Address: Suite 500 2750 Clay Edwards Drive North Kansas City, 64116, MO
Taylor Renee Joseph
  • Gender: Female
  • Address: 2340 East Meyer Boulevard Kansas City, 64132, MO
Dr. John F. McCarthy
  • Gender: Male
  • Address: Suite 510S 224 South Woods Mill Road Chesterfield, 63017, MO
Dr. Michael Harry Mastromichalis
  • Gender: Male
  • Address: Suite 300 1011 Bowles Avenue Fenton, 63026, MO

Questions & Answers

Where can you meet with Dr. Gregory James Horwitz?

Dr. Gregory James Horwitz's office is located at 1950 Diamond Parkway Suite 200 in North Kansas City, MO 64116.

Has Dr. Gregory James Horwitz affiliation with hospitals?

Dr. Gregory James Horwitz is affiliated with ST LUKES HOSPITAL OF KANSAS CITY. For the full list of hospitals see this list.

What conditions does Dr. Gregory James Horwitz treat?

Dr. Gregory James Horwitz provides treatment for Creutzfeldt-Jakob Disease (CJD), Febrile Seizure, Kidney Stones, Peripheral Neuropathy, Varicocele, Wernicke-Korsakoff Syndrome. For the full list see this list.

Does Dr. Gregory James Horwitz have affiliation with practices?

Dr. Gregory James Horwitz is affiliated with Kansas City Urology Care PA.

Does Dr. Gregory James Horwitz accept patients with Blue Cross and Blue Shield of Kansas City?

Yes, Dr. Gregory James Horwitz is listed in-network for Blue Cross and Blue Shield of Kansas City through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.