IndividualActive
Matthew Berg, R.D.
NPI 1710163126 · Registered Dietitian · Fontana, CA
Matthew Berg, R.D. is a Registered Dietitian provider in Fontana, CA (NPI 1710163126).
Provider details
- NPI number
- 1710163126
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- R.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 957892 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
9961 Sierra Ave
Fontana, CA 92335-6720
Phone: (909) 427-7262
Street-level locationGet directions
Mailing address
10922 Campus St
Loma Linda, CA 92354-2704
Registry dates
- Enumerated
- 2008-01-16
- Last updated
- 2008-01-16
Frequently asked questions
- What is Matthew Berg's NPI number?
- Matthew Berg's National Provider Identifier (NPI) is 1710163126, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Berg's specialty?
- Matthew Berg is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Matthew Berg located?
- Matthew Berg's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Matthew Berg's phone number?
- The practice phone number listed in the NPPES registry for Matthew Berg is (909) 427-7262.
- Is Matthew Berg's NPI active?
- Yes — Matthew Berg's NPI (1710163126) is active in the NPPES registry as of the last update on 2008-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.