Gregory Griffin, MD
NPI 1912099896 · Pediatric Hematology & Oncology Physician · Wilmington, DE
Gregory Griffin, MD is a Pediatric Hematology & Oncology Physician provider in Wilmington, DE (NPI 1912099896).
Provider details
- NPI number
- 1912099896
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C10003825 (DE)
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
19 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
- 2006-09-29
- Last updated
- 2011-09-20
Frequently asked questions
- What is Gregory Griffin's NPI number?
- Gregory Griffin's National Provider Identifier (NPI) is 1912099896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Griffin's specialty?
- Gregory Griffin is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Griffin located?
- Gregory Griffin's practice location on file with NPPES is A.i. Dupont Hospital for Children, Wilmington, DE 19803-3607.
- What is Gregory Griffin's phone number?
- The practice phone number listed in the NPPES registry for Gregory Griffin is (302) 651-4000.
- Is Gregory Griffin's NPI active?
- Yes — Gregory Griffin's NPI (1912099896) is active in the NPPES registry as of the last update on 2011-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.