David Irwin, M.D.
NPI 1780672048 · Hematology & Oncology Physician · Berkeley, CA
David Irwin, M.D. is a Hematology & Oncology Physician provider in Berkeley, CA (NPI 1780672048).
Provider details
- NPI number
- 1780672048
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G68429 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
- 2005-10-11
- Last updated
- 2010-03-17
Frequently asked questions
- What is David Irwin's NPI number?
- David Irwin's National Provider Identifier (NPI) is 1780672048, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Irwin's specialty?
- David Irwin is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is David Irwin located?
- David Irwin's practice location on file with NPPES is 2001 Dwight Way, Berkeley, CA 94704-2608.
- What is David Irwin's phone number?
- The practice phone number listed in the NPPES registry for David Irwin is (510) 204-6402.
- Is David Irwin's NPI active?
- Yes — David Irwin's NPI (1780672048) is active in the NPPES registry as of the last update on 2010-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.