Dr. Thomas L. Nickolas
- Gender: Male
- Experience: 23 years
- Graduated from: University Of Pittsburgh School Of Medicine
- Graduation year: 1998
- Sole propriator: No
- NPI: 1558438788
Dr. Thomas L. Nickolas M.D.
Nephrologist
He is located at 4921 Parkview Place Div Im Bone And Mineral, Ste 5C in Saint Louis, MO 63110. Can help patients with the following: Chronic Obstructive Pulmonary Disease (COPD), Hot Flashes, Hyponatremia, Kidney Failure, Polycystic Kidney Disease (PKD), Prescription Refill. His National Provider Identifier (NPI) number is 1558438788. Appointment can be made via the phone number (314) 454-7775. He is affiliated with 1 hospitals.
Conditions treated
Dr. Thomas Louis Nickolas, being an nephrologist, 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. Thomas L. Nickolas.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Blood in Urine
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Gout
- Headache
- Heart Disease
- Hemolytic Uremic Syndrome (HUS)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hydronephrosis
- Hypercalcemia
- Hyperkalemia
- Hyperlipidemia
- Hyperparathyroidism
- Hyponatremia
- Influenza
- Inguinal Hernia
- Kidney Cancer
- Kidney Failure
- Kidney Infection
- Kidney Stones
- Low Blood Pressure
- Low Potassium
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Polycystic Kidney Disease (PKD)
- Prescription Refill
- Rhabdomyolysis
- Urethritis
- Urinary Tract Infection (UTI)
- Vitamin D Deficiency
Procedures Performed by Dr. Thomas L. Nickolas
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Thomas L. Nickolas as in-network for the following 2026 plans.
Health plans
Cox HealthPlans
Network data as of Sep 11, 2026, as reported by the insurer.
Show all 7 plans from Cox HealthPlans
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Cox HealthPlans Bronze Expanded Standard | EPO · Expanded Bronze | EPO | Accepting new patients |
| Cox HealthPlans Bronze Preferred | EPO · Bronze | EPO | Accepting new patients |
| Cox HealthPlans Gold Preferred | EPO · Gold | EPO | Accepting new patients |
| Cox HealthPlans Gold Standard | EPO · Gold | EPO | Accepting new patients |
| Cox HealthPlans Silver Connect | EPO · Silver | EPO | Accepting new patients |
| Cox HealthPlans Silver Preferred | EPO · Silver | EPO | Accepting new patients |
| Cox HealthPlans Silver Standard | EPO · Silver | EPO | Accepting new patients |
UnitedHealthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 13 plans from UnitedHealthcare
| 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. Thomas L. Nickolas 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. Thomas L. Nickolas is enrolled to bill Medicare as a Practitioner - Nephrology (also registered under: Practitioner - Internal Medicine) .
Bills through: Trustees Of Columbia University In The City Of New York
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
| Amgen | $13311 |
| Merck | $3338 |
| Otsuka Pharmaceutical | $38 |
Other
| Consulting | $13925 |
| Travel and Lodging | $1998 |
| Food and Beverage | $781 |
Studies
UNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE
Graduated in 1998Additional Specialities
- Internist
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Questions & Answers
Does Dr. Thomas Louis Nickolas accept patients with UnitedHealthcare?
Yes, Dr. Thomas Louis Nickolas is listed in-network for UnitedHealthcare through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. Thomas Louis Nickolas affiliation with hospitals?
Dr. Thomas Louis Nickolas is affiliated with NEW YORK-PRESBYTERIAN HOSPITAL.
Where can you meet with Dr. Thomas Louis Nickolas?
Dr. Thomas Louis Nickolas's office is located at 4921 Parkview Place Div Im Bone And Mineral, Ste 5C in Saint Louis, MO 63110.
What conditions does Dr. Thomas Louis Nickolas treat?
Dr. Thomas Louis Nickolas provides treatment for Chronic Obstructive Pulmonary Disease (COPD), Hot Flashes, Hyponatremia, Kidney Failure, Polycystic Kidney Disease (PKD), Prescription Refill. For the full list see this list.