IndividualActive
Dianna Ambartsumyan, PHARM. D
NPI 1598254609 · Pharmacist · Rialto, CA
Dianna Ambartsumyan, PHARM. D is a Pharmacist provider in Rialto, CA (NPI 1598254609).
Provider details
- NPI number
- 1598254609
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARM. D
- Sex
- Female
- Sole proprietor
- No
- License
- 62170 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
1366 S Riverside Ave
Rialto, CA 92376-7608
Phone: (909) 820-7635
Street-level locationGet directions
Mailing address
1366 S Riverside Ave
Rialto, CA 92376-7608
Registry dates
- Enumerated
- 2018-05-03
- Last updated
- 2018-05-03
Frequently asked questions
- What is Dianna Ambartsumyan's NPI number?
- Dianna Ambartsumyan's National Provider Identifier (NPI) is 1598254609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dianna Ambartsumyan's specialty?
- Dianna Ambartsumyan is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Dianna Ambartsumyan located?
- Dianna Ambartsumyan's practice location on file with NPPES is 1366 S Riverside Ave, Rialto, CA 92376-7608.
- What is Dianna Ambartsumyan's phone number?
- The practice phone number listed in the NPPES registry for Dianna Ambartsumyan is (909) 820-7635.
- Is Dianna Ambartsumyan's NPI active?
- Yes — Dianna Ambartsumyan's NPI (1598254609) is active in the NPPES registry as of the last update on 2018-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.