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John Zdrojewski, M.D.
NPI 1285673772 · Dermatology Physician · Highland, CA
John Zdrojewski, M.D. is a Dermatology Physician provider in Highland, CA (NPI 1285673772).
Provider details
- NPI number
- 1285673772
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- A45649 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
7000 Boulder Ave
Highland, CA 92346-3348
Phone: (909) 862-1191
Fax: (909) 796-4158
Street-level locationGet directions
Mailing address
Po Box 2200
Redlands, CA 92373-0722
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Zdrojewski's NPI number?
- John Zdrojewski's National Provider Identifier (NPI) is 1285673772, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Zdrojewski's specialty?
- John Zdrojewski is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is John Zdrojewski located?
- John Zdrojewski's practice location on file with NPPES is 7000 Boulder Ave, Highland, CA 92346-3348.
- What is John Zdrojewski's phone number?
- The practice phone number listed in the NPPES registry for John Zdrojewski is (909) 862-1191.
- Is John Zdrojewski's NPI active?
- Yes — John Zdrojewski's NPI (1285673772) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.