OrganizationActive
Chaparral Medical Group, Inc.
NPI 1558689794 · Dermatology Physician · Upland, CA
Chaparral Medical Group, Inc. is a Dermatology Physician organization in Upland, CA (NPI 1558689794).
Provider details
- NPI number
- 1558689794
- Entity type
- Organization
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Adrienne Walker, Contracts Manager(909) 398-1550
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
585 N Mountain Ave
Suite C
Upland, CA 91786-8516
Phone: (909) 981-8599
Fax: (909) 981-5441
Street-level locationGet directions
Mailing address
840 Towne Center Dr
Pomona, CA 91767-5900
Registry dates
- Enumerated
- 2010-05-12
- Last updated
- 2010-11-11
Frequently asked questions
- What is Chaparral Medical Group, Inc.'s NPI number?
- Chaparral Medical Group, Inc.'s National Provider Identifier (NPI) is 1558689794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Chaparral Medical Group, Inc.?
- Chaparral Medical Group, Inc. is classified in the NPPES registry as Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Chaparral Medical Group, Inc. located?
- Chaparral Medical Group, Inc.'s practice location on file with NPPES is 585 N Mountain Ave, Upland, CA 91786-8516.
- What is Chaparral Medical Group, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Chaparral Medical Group, Inc. is (909) 981-8599.
- Who is the authorized official for Chaparral Medical Group, Inc.?
- The authorized official listed on Chaparral Medical Group, Inc.'s NPPES record is Adrienne Walker, Contracts Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Chaparral Medical Group, Inc.'s NPI active?
- Yes — Chaparral Medical Group, Inc.'s NPI (1558689794) is active in the NPPES registry as of the last update on 2010-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.