Nelson Gustavo Neder Kalil, M.D.
NPI 1750569802 · Hematology & Oncology Physician · Rockville, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nelson Gustavo Neder Kalil, M.D. is a Hematology & Oncology Physician organization in Rockville, MD (NPI 1750569802).
Provider details
- NPI number
- 1750569802
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Nelson Kalil, President(240) 467-5888
- License
- D0051616 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-01-31
- Last updated
- 2018-09-06
Frequently asked questions
- What is Nelson Gustavo Neder Kalil, M.D.'s NPI number?
- Nelson Gustavo Neder Kalil, M.D.'s National Provider Identifier (NPI) is 1750569802, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Nelson Gustavo Neder Kalil, M.D.?
- Nelson Gustavo Neder Kalil, M.D. is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Nelson Gustavo Neder Kalil, M.D. located?
- Nelson Gustavo Neder Kalil, M.D.'s practice location on file with NPPES is 6000 Executive Blvd Ste 620, Rockville, MD 20852.
- What is Nelson Gustavo Neder Kalil, M.D.'s phone number?
- The practice phone number listed in the NPPES registry for Nelson Gustavo Neder Kalil, M.D. is (240) 467-5888.
- Does Nelson Gustavo Neder Kalil, M.D. accept Medicare?
- Nelson Gustavo Neder Kalil, M.D. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Nelson Gustavo Neder Kalil, M.D.?
- The authorized official listed on Nelson Gustavo Neder Kalil, M.D.'s NPPES record is Nelson Kalil, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Nelson Gustavo Neder Kalil, M.D.'s NPI active?
- Yes — Nelson Gustavo Neder Kalil, M.D.'s NPI (1750569802) is active in the NPPES registry as of the last update on 2018-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.