Crystal Marie Larrew, DDS
NPI 1538948955 · General Practice Dentistry · Upland, CA
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Marie Larrew, DDS is a General Practice Dentistry provider in Upland, CA (NPI 1538948955).
Provider details
- NPI number
- 1538948955
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Female
- Sole proprietor
- Yes
- License
- 109485 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
- 2023-09-25
- Last updated
- 2023-09-25
- Certified
- 2023-09-25
Frequently asked questions
- What is Crystal Marie Larrew's NPI number?
- Crystal Marie Larrew's National Provider Identifier (NPI) is 1538948955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Marie Larrew's specialty?
- Crystal Marie Larrew is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Crystal Marie Larrew located?
- Crystal Marie Larrew's practice location on file with NPPES is 585 N Mountain Ave Ste C, Upland, CA 91786-8516.
- What is Crystal Marie Larrew's phone number?
- The practice phone number listed in the NPPES registry for Crystal Marie Larrew is (909) 985-5117.
- Does Crystal Marie Larrew accept Medicare?
- Crystal Marie Larrew is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Marie Larrew's NPI active?
- Yes — Crystal Marie Larrew's NPI (1538948955) is active in the NPPES registry as of the last update on 2023-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.