Giovanni Melillo, MD
NPI 1205371135 · Hematology & Oncology Physician · Frederick, MD
Giovanni Melillo, MD is a Hematology & Oncology Physician provider in Frederick, MD (NPI 1205371135).
Provider details
- NPI number
- 1205371135
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0056750 (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
9 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
- 2017-01-02
- Last updated
- 2017-01-02
Frequently asked questions
- What is Giovanni Melillo's NPI number?
- Giovanni Melillo's National Provider Identifier (NPI) is 1205371135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Giovanni Melillo's specialty?
- Giovanni Melillo is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Giovanni Melillo located?
- Giovanni Melillo's practice location on file with NPPES is 2554 Bear Den Rd, Frederick, MD 21701-5230.
- What is Giovanni Melillo's phone number?
- The practice phone number listed in the NPPES registry for Giovanni Melillo is (301) 639-2190.
- Is Giovanni Melillo's NPI active?
- Yes — Giovanni Melillo's NPI (1205371135) is active in the NPPES registry as of the last update on 2017-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.