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

Nicholas John Karis, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1518140946

Nicholas John Karis, MD is a Thoracic Surgery in Baltimore, Maryland. Qualified in 1996, 30 years ago. Practices with Sinai Hospital of Baltimore, Inc, a 372-clinician group and works from 2 locations. Licensed in Illinois, Indiana and New York.

Years since qualifying
30
Licensed in
IL, IN, NY
In the registry since
2007
Specialties on file
3
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

2435 W Belvedere Ave Ste 42
Baltimore, MD 21215-5224
Phone: (410) 601-6491
Fax: (410) 601-5835
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1415 Portland Ave, Rochester, NY 14621 — (585) 544-6550

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 261058 (NY)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 036104895 (IL)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 01065438A (IN)

Record details

NPI number1518140946
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 7, 2007
Last updated in NPPESJanuary 29, 2020
Certification dateJanuary 29, 2020
Mailing address2435 W Belvedere Ave Ste 42, Baltimore, MD 21215-5224

Medicare enrollment

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

Medicare specialtyTHORACIC SURGERY
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Sinai Hospital Of Baltimore, Inc — 372 clinicians
Accepts Medicare assignment Not indicated

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