Summary

Dr. Daniel Petrylak is an oncologist with additional training in internal medicine who brings over four decades of medical expertise to patient care. He earned his medical degree from Case Western Reserve University School of Medicine and has dedicated 41 years to treating cancer patients and providing comprehensive internal medicine services. Dr. Petrylak is fluent in Spanish and Chinese, allowing him to communicate effectively with diverse patient populations.

Dr. Petrylak practices at several prominent locations throughout Connecticut, including Smilow Cancer Hospital and Bendheim Cancer Center in Greenwich and New Haven. His hospital affiliations include Greenwich Hospital, Yale New Haven Hospital, and Yale New Haven Hospital Saint Raphael Campus. He specializes in helping patients with mobility challenges such as weakness and limping, while also addressing issues related to trunk control. His treatment approach includes physical therapy and strength training to help patients regain function and independence. Patients consistently rate Dr. Petrylak highly for his care, giving him an average rating of 4.8 out of 5 stars.
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AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.8
  • 41 years of experience
  • speaks Spanish, Chinese
  • Case Western Reserve University School Of Medicine
  • 20 written reviews
  • 2 specialties
  • 24 areas of expertise
  • 2 board certifications
  • 4 hospital affiliations
  • 6 office locations
  • Male

Office Locations

Dr. Daniel Peter Petrylak has 6 locations

Smilow Cancer Hospital

35 Park StNew Haven, CT 06519
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

Bendheim Cancer Center

77 Lafayette PlGreenwich, CT 06830
Mon8:00 am - 9:00 pm
Tue8:00 am - 9:00 pm
Wed8:00 am - 9:00 pm
Thu8:00 am - 9:00 pm
Fri8:00 am - 9:00 pm
SatClosed
SunClosed

Yale New Haven Hospital

20 York StNew Haven, CT 06510

Greenwich Hospital

5 Perryridge RdGreenwich, CT 06830

Smilow Cancer Hospital Care Center At Greenwich

77 Lafayette Pl Ste 200Greenwich, CT 06830
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

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Dr. Daniel Peter Petrylak, MDDr. Michael Joseph SernyakDr. Lisa Susan LetellierDr. Paul Acampora
OncologyPsychiatryPhysical Medicine & RehabilitationPreventative Medicine
Accepts New Patients Accepts New Patients
4.8 
41 Years of Experience 39 Years of Experience 18 Years of Experience 48 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, Chinese Speaks English Speaks English Speaks English
New Haven , CTWest Haven , CTWest Haven , CTMiddletown , CT
Med School: Case Western Reserve University School Of Medicine Med School: Sidney Kimmel Medical College At Thomas Jefferson University Med School: University Of Maryland School Of Medicine Med School: University Of Rochester School Of Medicine & Dentistry
Current Profile
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Insurance Plans Accepted by Dr. Daniel Peter Petrylak

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Daniel Peter Petrylak has the following 2 specialties

Specialty Expertise

Dr. Daniel Peter Petrylak has the following 24 areas of expertise

  • Adjuvant Chemotherapy
  • Bladder Removal (Cystectomy)
  • Blood Cancer
  • Bone Cancer
  • Bone Marrow Transplant
  • Cancer
  • Castration (Orchiectomy)
  • Chemotherapy
  • Developmental Disorders
  • Epidemiology
  • Glandular Cancer (Adenocarcinoma)
  • Hormone-Dependent Cancer
  • Internal Medicine
  • Leukemia
  • Local Neoplasm Recurrence
  • Lymphoma
  • Metastatic Cancer
  • Myelofibrosis
  • Myeloma
  • Prostate Cancer (Prostatic Neoplasm)
  • Urinary Bladder Cancer
  • Urinary Bladder Cancer (Transitional Cell Carcinoma)
  • Urogenital Cancer (Genitourinary)
  • Urologic Cancer

Certifications, License, & Education

41 Years Experience

MEDICAL LICENSE

Medical Doctor, Connecticut, 2026, Expired

EDUCATION & TRAINING

Medical School

Case Western Reserve University School Of MedicineGraduated in 1985

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Frequently Asked Questions

Which hospitals is Dr. Daniel Petrylak affiliated with?
Dr. Daniel Petrylak is affiliated with Greenwich Hospital, Yale New Haven Hospital, Yale New Haven Hospital Saint Raphael Campus, and Connecticut Mental Health Center.
Where is Dr. Daniel Petrylak's office located?
Dr. Daniel Petrylak's office is located at 35 Park St, New Haven, CT, 06519.
How can I make an appointment with Dr. Daniel Petrylak?
You can find contact information for Dr. Daniel Petrylak here on Vitals.
What languages does Dr. Daniel Petrylak speak?
Dr. Daniel Petrylak speaks Spanish and Chinese.
Does Dr. Daniel Petrylak accept my insurance?
You can see the insurance plans that Dr. Daniel Petrylak accepts on their Vitals profile.

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