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

Dr. Nicholas J Mandalakas, MD

Individual provider Cardiovascular Disease Physician · NPI 1811988868

Dr. Nicholas J Mandalakas, MD is a Cardiovascular Disease (Cardiology) in Dover, Delaware. Graduated from Jefferson Medical College of Thomas Jefferson University in 1985, 41 years ago. Practices with Bayhealth Medical Center, Inc, a 401-clinician group and accepts Medicare assignment. Licensed in Delaware and Pennsylvania.

Years since qualifying
41
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
DE, PA
In the registry since
2005
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1113 S State St Ste 100
Dover, DE 19901-4112
Phone: (302) 734-7676
Fax: (302) 734-7615
Show map & directions

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

Specialties & licences

Clinical Cardiac Electrophysiology Physician (primary) Taxonomy 207RC0001X · Licence C1-0024586 (DE)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence C1-0024586 (DE)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence MD037192E (PA)
Clinical Cardiac Electrophysiology Physician Taxonomy 207RC0001X · Licence MD037192E (PA)

Record details

NPI number1811988868
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 31, 2005
Last updated in NPPESMarch 3, 2022
Certification dateMarch 3, 2022

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesCARDIAC ELECTROPHYSIOLOGY
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 1985 (41 years in practice)
Group practice Bayhealth Medical Center, Inc — 401 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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