David Gray, M.D.
NPI 1891767802 · Hematology & Oncology Physician · Indianapolis, IN
David Gray, M.D. is a Hematology & Oncology Physician provider in Indianapolis, IN (NPI 1891767802).
Provider details
- NPI number
- 1891767802
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 010372269A (IN)
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
20 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
- 2006-02-03
- Last updated
- 2008-07-03
Frequently asked questions
- What is David Gray's NPI number?
- David Gray's National Provider Identifier (NPI) is 1891767802, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Gray's specialty?
- David Gray is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is David Gray located?
- David Gray's practice location on file with NPPES is 115 W 19th St, Indianapolis, IN 46202-1310.
- What is David Gray's phone number?
- The practice phone number listed in the NPPES registry for David Gray is (317) 924-4022.
- Is David Gray's NPI active?
- Yes — David Gray's NPI (1891767802) is active in the NPPES registry as of the last update on 2008-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.