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

Dr. Nelson Gustavo Neder Kalil, MD

Individual provider Hematology & Oncology Physician · NPI 1427074707

Dr. Nelson Gustavo Neder Kalil, MD is a Hematology/Oncology in Rockville, Maryland. Qualified in 1985, 41 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
41
Licensed in
MD
In the registry since
2006
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

6000 Executive Blvd Ste 620
Rockville, MD 20852-3876
Phone: (240) 467-5888
Fax: (301) 348-8983
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 D0051616 (MD)

Record details

NPI number1427074707
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 13, 2006
Last updated in NPPESApril 23, 2024
Certification dateApril 23, 2024

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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