Alliance Healthcare Services Inc
NPI 1689741258 · Magnetic Resonance Imaging (MRI) Clinic/Center · San Gabriel, CA
Alliance Healthcare Services Inc is a Magnetic Resonance Imaging (MRI) Clinic/Center organization in San Gabriel, CA (NPI 1689741258).
Provider details
- NPI number
- 1689741258
- Entity type
- Organization
- Primary specialty
- Magnetic Resonance Imaging (MRI) Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Rhonda Longmore-Grund, Exec Vp & Coo(800) 544-3215
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-11-29
- Last updated
- 2018-05-23
Frequently asked questions
- What is Alliance Healthcare Services Inc's NPI number?
- Alliance Healthcare Services Inc's National Provider Identifier (NPI) is 1689741258, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alliance Healthcare Services Inc?
- Alliance Healthcare Services Inc is classified in the NPPES registry as Magnetic Resonance Imaging (MRI) Clinic/Center (Ambulatory Health Care Facilities).
- Where is Alliance Healthcare Services Inc located?
- Alliance Healthcare Services Inc's practice location on file with NPPES is 438 W Las Tunas Dr, San Gabriel, CA 91776.
- What is Alliance Healthcare Services Inc's phone number?
- The practice phone number listed in the NPPES registry for Alliance Healthcare Services Inc is (626) 289-5454.
- Who is the authorized official for Alliance Healthcare Services Inc?
- The authorized official listed on Alliance Healthcare Services Inc's NPPES record is Rhonda Longmore-Grund, Exec Vp & Coo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alliance Healthcare Services Inc's NPI active?
- Yes — Alliance Healthcare Services Inc's NPI (1689741258) is active in the NPPES registry as of the last update on 2018-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.