Warner Greene, M.D., PH.D.
NPI 1528403797 · Allergy & Immunology (Internal Medicine) Physician · San Francisco, CA
Warner Greene, M.D., PH.D. is a Allergy & Immunology (Internal Medicine) Physician provider in San Francisco, CA (NPI 1528403797).
Provider details
- NPI number
- 1528403797
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G77830 (CA)
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
13 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
- 2013-05-01
- Last updated
- 2013-05-01
Frequently asked questions
- What is Warner Greene's NPI number?
- Warner Greene's National Provider Identifier (NPI) is 1528403797, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warner Greene's specialty?
- Warner Greene is listed in the NPPES registry with a primary specialty of Allergy & Immunology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Warner Greene located?
- Warner Greene's practice location on file with NPPES is 1650 Owens St, San Francisco, CA 94158-2261.
- What is Warner Greene's phone number?
- The practice phone number listed in the NPPES registry for Warner Greene is (415) 734-4805.
- Is Warner Greene's NPI active?
- Yes — Warner Greene's NPI (1528403797) is active in the NPPES registry as of the last update on 2013-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.