Summary

Dr. William Segal is a gastroenterologist and internal medicine physician who has dedicated 36 years to caring for patients with digestive health concerns. He earned his medical degree from the prestigious Perelman School of Medicine at the University of Pennsylvania and completed his residency training at Brigham & Women's Hospital. His dual specialization allows him to provide comprehensive care for both complex gastrointestinal conditions and general internal medicine needs. Dr. Segal is fluent in both English and Chinese, enabling him to serve a diverse patient population.

Dr. Segal practices at Princeton Medical Center and sees patients at multiple convenient locations throughout Princeton and Plainsboro, New Jersey. He specializes in treating diverticular disease, diverticulosis, and hemorrhoids. His expertise includes performing essential diagnostic procedures such as colonoscopy, upper and lower gastrointestinal endoscopy to help detect and monitor digestive conditions. Patients have given him an average rating of 3.9 out of 5 stars on Vitals, reflecting their experiences with his care.
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Overview based on verified provider data

Quick Facts

  • 3.9
  • 36 years of experience
  • 42 insurance plans accepted
  • speaks Chinese, English
  • Brigham & Womens Hospital
  • 4 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. William Nathan Segal has 3 locations

Princeton Endoscopy Center

731 Alexander Rd Ste 104Princeton, NJ 08540
Mon6:30 am - 3:00 pm
Tue6:30 am - 3:00 pm
Wed6:30 am - 3:00 pm
Thu6:30 am - 3:00 pm
Fri6:30 am - 3:00 pm
SatClosed
SunClosed

Princeton Medicine Physicians Center For Digestive Health Plainsboro

5 Plainsboro Rd Ste 450Plainsboro, NJ 08536
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

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Dr. William Nathan Segal, MDMalorie SimonsBree Janas, APRNDr. Mark S. Codella, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
3.9 
4.5 
36 Years of Experience 12 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available No Virtual Visit Option
Speaks Chinese, English Speaks English Speaks English Speaks English
Princeton , NJPhiladelphia , PAEwing , NJLanghorne , PA
Med School: Perelman School Of Medicine At University Of Pennsylvania Med School: Albany Medical College Med School: Monmouth University Med School: Hahnemann University
Current Profile
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Insurance Plans Accepted by Dr. William Nathan Segal

  • AARP
  • Aetna
  • Aetna - Medicare
  • Aetna Better Health
  • Aetna Better Health - Medicaid (Managed)
  • All Savers Insurance
  • AmeriGroup
  • AmeriHealth
  • AmeriHealth - HMO
  • AmeriHealth - HMO-POS
  • AmeriHealth - POS
  • AmeriHealth - PPO
  • Blue Cross Blue Shield
  • Braven Health (Horizon Blue Cross Blue Shield of New Jersey)
  • Centivo
  • Cigna
  • Clover Health
  • EmblemHealth
  • First Health (Coventry Health Care)
  • Golden Rule
  • Horizon Blue Cross Blue Shield of New Jersey
  • Horizon NJ Health
  • Humana
  • Humana - HMO
  • Independence Blue Cross
  • Keystone First
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Nippon Life Benefits
  • Oscar Health Insurance
  • STLDentalPlan| LLC
  • STLDentalPlan| LLC - Medicare
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare Oxford
  • Wellcare

Medical Specialties

Dr. William Nathan Segal has the following 2 specialties

Specialty Expertise

Dr. William Nathan Segal has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

36 Years Experience

Dr. William Nathan Segal holds an active medical license in the state of New Jersey.

Medical License

Medical Doctor with an active medical license in the state of New Jersey that expires in 2027.

Education & Training

Residency

Completed their residency at Brigham & Womens Hospital.

Medical School

Graduated from Perelman School Of Medicine At University Of Pennsylvania in 1990.

NPI Number

Dr. Segal's NPI number is 1881694974.

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Frequently Asked Questions

What languages does Dr. William Segal speak?
Dr. William Segal speaks Chinese and English.
Where is Dr. William Segal's office located?
Dr. William Segal's office is located at 731 Alexander Rd Ste 104, Princeton, NJ, 08540.
How can I make an appointment with Dr. William Segal?
You can find contact information for Dr. William Segal here on Vitals.
Which hospitals is Dr. William Segal affiliated with?
Dr. William Segal is affiliated with Princeton Medical Center.
Does Dr. William Segal accept virtual/telehealth appointments?
Dr. William Segal has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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