Summary

Dr. Stephen Diamantoni specializes in family medicine and geriatric medicine, bringing comprehensive care to patients across all age groups with particular expertise in caring for older adults. He earned his medical degree from Hahnemann University School of Medicine and completed his residency training at Lancaster General Hospital. With 44 years of experience in practice, Dr. Diamantoni has developed extensive knowledge in managing complex health conditions that affect families and seniors. He speaks French and Spanish, enabling him to communicate effectively with diverse patient populations.

Dr. Diamantoni practices at multiple locations throughout Lancaster, Pennsylvania, including Penn State Health Lancaster Medical Center. His clinical expertise includes treating type 2 diabetes and high blood pressure, conditions that frequently affect both adult and pediatric patients. He performs blood tests for diagnostic purposes and specializes in breast cancer screening procedures, including advanced imaging techniques. Patients have given Dr. Diamantoni an average rating of 3.6 on Vitals, reflecting their experiences with his care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.6
  • 44 years of experience
  • 58 insurance plans accepted
  • speaks French, Spanish
  • Lancaster General Hospital
  • 6 written reviews
  • 2 specialties
  • 9 areas of expertise
  • 4 office locations
  • Male

Patients’ Perspective

  • Provided follow-up after the visit
  • Flexible scheduling

Office Locations

Dr. Stephen Gust Diamantoni has 4 locations

Stephen G Diamantoni Md And Associates

440 W Chestnut StLancaster, PA 17603
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Stephen G Diamantoni Md And Associates

2112 Harrisburg Pike Ste 3Lancaster, PA 17601
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
Sat8:00 am - 12:00 pm
SunClosed

Stephen G Diamantoni Md And Associates

734 N Franklin StLancaster, PA 17602
Mon7:30 am - 10:30 pm
Tue7:30 am - 10:30 pm
Wed7:30 am - 10:30 pm
Thu7:30 am - 10:00 pm
Fri7:30 am - 5:00 pm
SatClosed
SunClosed

Penn State Health Lancaster Medical Center

2160 State RdLancaster, PA 17601

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Dr. Stephen Gust Diamantoni, MDDr. Bruce David Richman, DOHelix Virtual CareDeepa Ramalingam
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.6 
4.7 
44 Years of Experience 40 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks French, Spanish Speaks English Speaks English
Lancaster , PAQuakertown , PABoca Raton , FLWindermere , FL
Med School: Hahnemann University School Of Medicine Med School: Philadelphia College Of Osteopathic Medicine
Current Profile
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Insurance Plans Accepted by Dr. Stephen Gust Diamantoni

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • Aetna
  • Aetna - Medicare
  • Aetna - Medicare (Advantage HMO)
  • Ambetter
  • AmeriHealth
  • AmeriHealth - HMO
  • AmeriHealth - Medicaid (Managed)
  • AmeriHealth - Medicare (Advantage HMO)
  • AmeriHealth Caritas
  • AmeriHealth Caritas - Medicaid (Managed)
  • APWU
  • Blue Cross Blue Shield
  • Blue Cross of Northeastern Pennsylvania
  • Capital Blue Cross
  • CareFirst Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield - PPO
  • CareSource
  • CHAMPVA
  • CHAMPVA - HMO
  • Cigna
  • Cigna-HealthSpring
  • Family Health Network
  • First Health (Coventry Health Care) - Medicaid (Managed)
  • Gateway Health
  • Gateway Health - Medicaid (Managed)
  • Gateway Health - Medicare
  • Gateway Health - Medicare (Advantage HMO)
  • Geisinger Health Plan
  • Geisinger Health Plan - HMO
  • Geisinger Health Plan - Medicare
  • HealthPartners
  • Highmark Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross
  • Keystone First
  • Keystone First - Medicaid (Managed)
  • MagnaCare
  • Medicaid
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • National Vision Administrators
  • Priority Health
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicaid (Managed)
  • UnitedHealthcare - Medicare
  • UPMC Health Plan
  • UPMC Health Plan - HMO
  • UPMC Health Plan - Medicaid
  • UPMC Health Plan - Medicare
  • Wellcare

Medical Specialties

Dr. Stephen Gust Diamantoni has the following 2 specialties

Specialty Expertise

Dr. Stephen Gust Diamantoni has the following 9 areas of expertise

  • Alzheimer's Disease
  • Check-up
  • Contraception
  • Diabetes
  • Family Planning
  • Geriatric Medicine
  • Immunization
  • Influenza
  • Weight Loss

Certifications, License, & Education

44 Years Experience

Dr. Stephen Gust Diamantoni holds an active medical license in the state of Pennsylvania.

Medical License

Medical Doctor with an active medical license in the state of Pennsylvania that expires in 2026.

Education & Training

Residency

Completed their residency at Lancaster General Hospital.

Medical School

Graduated from Hahnemann University School Of Medicine in 1982.

NPI Number

Dr. Diamantoni's NPI number is 1831240100.

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Frequently Asked Questions

Is Dr. Stephen Diamantoni accepting new patients?
Dr. Stephen Diamantoni is accepting new patients on Vitals. View Dr. Stephen Diamantoni's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Stephen Diamantoni?
You can find contact information for Dr. Stephen Diamantoni here on Vitals.
Does Dr. Stephen Diamantoni accept my insurance?
You can see the insurance plans that Dr. Stephen Diamantoni accepts on their Vitals profile.
Where is Dr. Stephen Diamantoni's office located?
Dr. Stephen Diamantoni's office is located at 440 W Chestnut St, Lancaster, PA, 17603.
Does Dr. Stephen Diamantoni accept virtual/telehealth appointments?
Dr. Stephen Diamantoni has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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