Summary

MDxpress was founded in March 2013 and is entirely run by a team of board-certified emergency room doctors from one of New York City’s top hospitals. Our team of doctors have trained and worked together for many years and have now brought their expertise and care to Westchester County.

Conditions We Treat
MDxpress and our experienced team of board-certified emergency room doctors and medical staff can diagnose and treat most medical conditions.
We can treat:
Abscesses and boils
Allergic reactions
Bites, rashes and skin conditions
Broken bones
Bronchitis, wheezing, and asthma attacks
Colds and flus
Corneal abrasions
Cough, congestion and upper respiratory infections
Cuts and scrapes
Dehydration requiring IV hydration
Ear infections and earaches
Fever
Lacerations requiring stitches
Migraines and headaches
Minor burns
Minor fractures and dislocations
Minor head injuries
Nausea, diarrhea, vomiting, stomach flu
Nose bleeds, with packing available
Pink eye
Removal of foreign bodies
Sore throat
Sprains and strains
Strep throat
Urinary tract infections
Wounds
And, so much more!
You don’t need a referral from your primary care physician or an insurance pre-certification to see a doctor and be treated at MDxpress. Just stop into our office, and we will be able to see you!
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Quick Facts

  • accepting new patients
  • 5
  • 25 years of experience
  • 32 insurance plans accepted
  • speaks Spanish, English
  • Albert Einstein College Of Medicine
  • 5 written reviews
  • 2 specialties
  • 16 areas of expertise
  • 2 board certifications
  • 2 office locations
  • Male

Office Locations

Dr. Nelson Leo Tieng has 2 locations

Physicianone Urgent Care

1030 W Boston Post RdMamaroneck, NY 10543
Mon8:00 am - 8:00 pm
Tue8:00 am - 8:00 pm
Wed8:00 am - 8:00 pm
Thu8:00 am - 8:00 pm
Fri8:00 am - 8:00 pm
Sat9:00 am - 5:00 pm
Sun9:00 am - 5:00 pm

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Dr. Nelson Leo Tieng, MDDr. Steven Guillen, MDDr. Alicia Sta Maria Almendral, MDDr. Haviva Malina, MD
Emergency MedicineEmergency MedicineEmergency MedicineEmergency Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
4.3 
25 Years of Experience 27 Years of Experience 21 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks Spanish, English Speaks English, Spanish Speaks English
Bronx , NYStaten Island , NYWoodside , NYNew York , NY
Med School: State University Of New York Downstate Medical Center College Of Medicine Med School: University of Pennsylvania School of Medicine Med School: University Of Santo Tomas Faculty Of Medicine And Surgery Med School: Albert Einstein College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Nelson Leo Tieng

  • 1199SEIU
  • Aetna
  • Aetna - Medicare
  • Amida Care - Medicaid
  • Blue Cross Blue Shield
  • Cigna
  • Elderplan
  • Elderplan - Medicaid
  • Elderplan - Medicare
  • EmblemHealth
  • EmblemHealth - Medicaid
  • EmblemHealth - PPO
  • Fidelis Care (NY)
  • Fidelis Care (NY) - Medicaid
  • Fidelis Care (NY) - Medicare
  • HealthFirst (NY)
  • HealthFirst (NY) - Medicaid
  • HealthFirst (NY) - Medicare
  • MagnaCare
  • Medicaid - Medicaid
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • MetroPlus Health Plan
  • MetroPlus Health Plan - Medicaid
  • Molina Healthcare - Medicaid
  • The Hartford - Workers’ Compensation
  • UnitedHealthcare
  • UnitedHealthcare - Medicaid (Managed)
  • UnitedHealthcare - Medicare (Advantage HMO)
  • Wellcare
  • Wellcare - Medicare

Medical Specialties

Dr. Nelson Leo Tieng has the following 2 specialties

Specialty Expertise

Dr. Nelson Leo Tieng has the following 16 areas of expertise

  • Abscess
  • Accidents
  • Acute Coronary Syndrome (ACS)
  • Asthma
  • Broken Bones (Bone Fractures)
  • Diabetes Complications
  • Emergency Medicine (Emergency Treatment)
  • Injury
  • Internal Medicine
  • Lacerations
  • Pediatrics
  • Pelvic Infection
  • Sprains and Strains
  • STD (Sexually Transmitted Diseases)
  • Trauma
  • Urinary Tract Infections (UTI)

Certifications, License, & Education

25 Years Experience

MEDICAL LICENSE

Medical Doctor, New York, 2025, Expired

EDUCATION & TRAINING

Residency

Albert Einstein College Of Medicine

Medical School

State University Of New York Downstate Medical Center College Of MedicineGraduated in 2004
Suny Downstate Medical Center College Of MedicineGraduated in 2001

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Frequently Asked Questions

What languages does Dr. Nelson Tieng speak?
Dr. Nelson Tieng speaks Spanish and English.
How can I make an appointment with Dr. Nelson Tieng?
You can find contact information for Dr. Nelson Tieng here on Vitals.
Does Dr. Nelson Tieng accept virtual/telehealth appointments?
Dr. Nelson Tieng has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Nelson Tieng's office located?
Dr. Nelson Tieng's office is located at 130 W Kingsbridge Rd, Bronx, NY, 10468.
Does Dr. Nelson Tieng accept my insurance?
You can see the insurance plans that Dr. Nelson Tieng accepts on their Vitals profile.

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