Summary

Dr. Allen Fein is a family medicine physician who has dedicated nearly five decades to caring for patients across Eastern Long Island. He earned his medical degree from McGill University Faculty of Medicine and completed his residency training at McGill University's Jewish General Hospital. With 48 years of clinical experience, Dr. Fein brings extensive knowledge to his practice of family medicine. He is fluent in Spanish, French, and English, allowing him to serve diverse patient populations.

Dr. Fein practices at Stony Brook Southampton Hospital and maintains locations in both Southampton and Greenport, New York. He specializes in treating substance use disorders, including heroin addiction and teen substance abuse issues. His clinical services include physical therapy coordination and diagnostic testing such as blood work and toxicology screenings. Patients have rated Dr. Fein 4.5 out of 5 stars on average, reflecting their confidence in his care.

Overview based on verified provider data

Quick Facts

  • 4.5
  • 48 years of experience
  • 31 insurance plans accepted
  • speaks Spanish, French, English
  • McGill Univeristy - Jewish General Hospital
  • 16 written reviews
  • 2 specialties
  • 10 areas of expertise
  • 2 board certifications
  • 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. Allen Lawrence Fein has 3 locations

Stony Brook Southampton Hospital

240 Meeting House LnSouthampton, NY 11968

Allen L. Fein, MD

595 Hampton RdSouthampton, NY 11968
Mon8:00 am - 5:30 pm
Tue8:00 am - 5:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

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Dr. Allen Lawrence Fein, MDHelix Virtual CareDr. Adam Lacayo, MD, MPHNicole Baldwin, APRN, FNP-BC
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
3.7 
48 Years of Experience 5 Years of Experience 8 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, French, English Speaks English
Greenport , NYBoca Raton , FLChamplain , NYOrlando , FL
Med School: Mcgill University Med School: University of Vermont Larner College of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Allen Lawrence Fein

  • 1199SEIU
  • Aetna
  • Aetna - PPO
  • Affinity Health Plan
  • AmeriGroup
  • Anthem Blue Cross
  • APWU
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - PPO
  • Cigna
  • EmblemHealth
  • Fidelis Care (NY)
  • HealthFirst (NY)
  • HealthFirst (NY) - Medicaid (Managed)
  • Humana
  • Kaiser Permanente
  • Kaiser Permanente - HMO
  • MagnaCare
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • National Vision Administrators
  • Nippon Life Benefits
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare Oxford

Medical Specialties

Dr. Allen Lawrence Fein has the following 2 specialties

Specialty Expertise

Dr. Allen Lawrence Fein has the following 10 areas of expertise

  • Acupuncture
  • Addiction
  • Check-up
  • Contraception
  • Diabetes
  • Family Planning
  • Immunization
  • Influenza
  • Other
  • Weight Loss

Certifications, License, & Education

48 Years Experience

Dr. Allen Lawrence Fein holds an active medical license in the state of New York.

Medical License

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

Education & Training

Residency

Completed their residency at McGill Univeristy - Jewish General Hospital.

Medical School

Graduated from Mcgill University and Mc Gill Univ Fac Of Med in 1978.

NPI Number

Dr. Fein's NPI number is 1881672533.

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Frequently Asked Questions

Is Dr. Allen Fein accepting new patients?
Dr. Allen Fein has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Allen Fein accept my insurance?
You can see the insurance plans that Dr. Allen Fein accepts on their Vitals profile.
What languages does Dr. Allen Fein speak?
Dr. Allen Fein speaks Spanish, French, and English.
Which hospitals is Dr. Allen Fein affiliated with?
Dr. Allen Fein is affiliated with Stony Brook Southampton Hospital.
Does Dr. Allen Fein accept virtual/telehealth appointments?
Dr. Allen Fein has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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