Dr. Timothy T. Yau
- Gender: Male
- Experience: 16 years
- Graduated from: Saint Louis University School Of Medicine
- Graduation year: 2005
- Sole propriator: No
- NPI: 1275794729
Dr. Timothy T. Yau MD
Nephrologist
He is located at 4921 Parkview Place Div Im Nephrology, Ste 5C in Saint Louis, MO 63110. Can help patients with the following: Abdominal Pain, Blood in Urine, High Blood Pressure, Prescription Refill, Urinary Tract Infection (UTI), Vitamin D Deficiency. His National Provider Identifier (NPI) number is 1275794729. Appointment can be made via the phone number (314) 362-7603. He is affiliated with 1 practices and 1 hospitals.
Conditions treated
Dr. Timothy Teng-Kay Yau, 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. Timothy T. Yau.
- 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. Timothy T. Yau
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Timothy T. Yau 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. Timothy T. Yau 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. Timothy T. Yau is enrolled to bill Medicare as a Practitioner - Nephrology (also registered under: Practitioner - Internal Medicine) .
Bills through: Washington University
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.
Payments received
Drug payment
| Alexion Pharmaceuticals | $1250 |
| Genentech | $188 |
| Baxter Healthcare | $84 |
Other
| Promotional Speaking or Service | $1250 |
| Food and Beverage | $274 |
Studies
SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated in 2005Additional Specialities
- Internist
Looking for more Nephrologists?
Out of the 51 nephrologists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Female
- Address: Div Im Nephrology, Ste 5C 4921 Parkview Place Saint Louis, 63110, MO
- Gender: Male
- Address: Renal Fellowship Program 660 South Euclid Avenue # 8129 Saint Louis, 63110, MO
- Gender: Female
- Address: Div Im Nephrology, Ste 5C 4921 Parkview Place Saint Louis, 63110, MO
- Gender: Male
- Address: Medical Center Boulevard Winston Salem, 27157, NC
- Gender: Female
- Address: 915 North Grand Boulevard Saint Louis, 63106, MO
- Gender: Male
- Address: Div Ped Nephrology 1 Childrens Place Saint Louis, 63110, MO
- Gender: Male
- Address: 1201 5th Avenue North Suite 302 Saint Petersburg, 33705, FL
- Gender: Male
- Address: 5th Floor Suite C 4921 Parkview Place Saint Louis, 63110, MO
- Gender: Male
- Address: Div Im Nephrology, Ste 5C 4921 Parkview Place Saint Louis, 63110, MO
- Gender: Male
- Address: 1520 San Pablo Street Suite 1000 Los Angeles, 90033, CA
Questions & Answers
What conditions does Dr. Timothy Teng-Kay Yau treat?
Dr. Timothy Teng-Kay Yau provides treatment for Abdominal Pain, Blood in Urine, High Blood Pressure, Prescription Refill, Urinary Tract Infection (UTI), Vitamin D Deficiency. For the full list see this list.
Does Dr. Timothy Teng-Kay Yau accept patients with Cox HealthPlans?
Yes, Dr. Timothy Teng-Kay Yau is listed in-network for Cox HealthPlans through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Timothy Teng-Kay Yau?
Dr. Timothy Teng-Kay Yau's office is located at 4921 Parkview Place Div Im Nephrology, Ste 5C in Saint Louis, MO 63110.
Has Dr. Timothy Teng-Kay Yau affiliation with hospitals?
Dr. Timothy Teng-Kay Yau is affiliated with BARNES JEWISH HOSPITAL.
Does Dr. Timothy Teng-Kay Yau have affiliation with practices?
Dr. Timothy Teng-Kay Yau is affiliated with Cohen Eye Associates, Limited.