OrganizationActive
Cajon Medical Group, PC
NPI 1821889320 · Internal Medicine Physician · Upland, CA
Cajon Medical Group, PC is a Internal Medicine Physician organization in Upland, CA (NPI 1821889320).
Provider details
- NPI number
- 1821889320
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Amber Gutierrez, Provider Relations Admin(909) 289-4075
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
732 N Mountain Ave Ste a
Upland, CA 91786-4372
Phone: (909) 289-4075
Fax: (909) 363-8233
Street-level locationGet directions
Mailing address
1815 W Redlands Blvd
Redlands, CA 92373-8054
Registry dates
- Enumerated
- 2025-05-14
- Last updated
- 2025-05-14
- Certified
- 2025-05-14
Frequently asked questions
- What is Cajon Medical Group, PC's NPI number?
- Cajon Medical Group, PC's National Provider Identifier (NPI) is 1821889320, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Cajon Medical Group, PC?
- Cajon Medical Group, PC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cajon Medical Group, PC located?
- Cajon Medical Group, PC's practice location on file with NPPES is 732 N Mountain Ave Ste a, Upland, CA 91786-4372.
- What is Cajon Medical Group, PC's phone number?
- The practice phone number listed in the NPPES registry for Cajon Medical Group, PC is (909) 289-4075.
- Who is the authorized official for Cajon Medical Group, PC?
- The authorized official listed on Cajon Medical Group, PC's NPPES record is Amber Gutierrez, Provider Relations Admin. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Cajon Medical Group, PC's NPI active?
- Yes — Cajon Medical Group, PC's NPI (1821889320) is active in the NPPES registry as of the last update on 2025-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.