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

Dr. Richard S Zelkowitz, MD

Individual provider Hematology & Oncology Physician · NPI 1891780805

Dr. Richard S Zelkowitz, MD is a Hematology/Oncology in Norwalk, Connecticut. Graduated from New York Medical College in 1983, 43 years ago. Practices with Hartford Healthcare Medical Group Specialists PLLC, a 1,537-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
43
Trained at
New York Medical College
Licensed in
CT
In the registry since
2005
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

40 Cross St 4th Fl
Norwalk, CT 06851-4647
Phone: (203) 845-4890
Fax: (203) 845-4897
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 029798 (CT)

Record details

NPI number1891780805
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 15, 2005
Last updated in NPPESApril 12, 2011
Mailing address40 Cross St, 4th Fl, Norwalk, CT 06851-4647

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1983 (43 years in practice)
Group practice Hartford Healthcare Medical Group Specialists Pllc — 1537 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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