Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Daniel Peter Petrylak, MD

Individual provider Hematology & Oncology Physician · NPI 1659387306

Dr. Daniel Peter Petrylak, MD is a Medical Oncology in New Haven, Connecticut. Graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1985, 41 years ago. Practices with Yale University, a 2,618-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut and New York.

Years since qualifying
41
Trained at
Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Licensed in
CT, NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

35 Park Street NP-4
New Haven, CT 06510-1110
Phone: (203) 200-4822
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 51405 (CT)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 164174 (NY)

Record details

NPI number1659387306
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 1, 2006
Last updated in NPPESFebruary 12, 2014
Mailing address789 Howard Ave, Fmp312, New Haven, CT 06519

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolCLVLND CLINIC LERNER COLLEGE OF MED OF CASE WSTN RSV UNIVERSITY
Graduated 1985 (41 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in New Haven