Geoffrey Harris, M.D.
NPI 1639282452 · Dermatology Physician · Newbury Park, CA
Geoffrey Harris, M.D. is a Dermatology Physician provider in Newbury Park, CA (NPI 1639282452).
Provider details
- NPI number
- 1639282452
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A89734 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-08-16
- Last updated
- 2009-03-13
Frequently asked questions
- What is Geoffrey Harris's NPI number?
- Geoffrey Harris's National Provider Identifier (NPI) is 1639282452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geoffrey Harris's specialty?
- Geoffrey Harris is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Geoffrey Harris located?
- Geoffrey Harris's practice location on file with NPPES is 4428 Via Juanita, Newbury Park, CA 91320-6819.
- What is Geoffrey Harris's phone number?
- The practice phone number listed in the NPPES registry for Geoffrey Harris is (805) 262-2012.
- Is Geoffrey Harris's NPI active?
- Yes — Geoffrey Harris's NPI (1639282452) is active in the NPPES registry as of the last update on 2009-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.