OrganizationActive
Arizona Medical Associates Inc
NPI 1821465584 · Specialist · Mesa, AZ
Arizona Medical Associates Inc is a Specialist organization in Mesa, AZ (NPI 1821465584).
Provider details
- NPI number
- 1821465584
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Ralph D'Silva, Owner(480) 258-0489
- License
- 36884 (AZ)
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(73/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
1301 South Rismon Road
Mesa, AZ 85209-3767
Phone: (480) 258-0489
Fax: (480) 718-7313
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 2925 E Riggs Rd
Chandler, AZ 85249-3600
Other names (DBA / former)
- Doing business as
- Ralph a D'Silva M.D
- Doing business as
- Ralph a D'Silva M.D
Registry dates
- Enumerated
- 2015-08-28
- Last updated
- 2019-08-23
Frequently asked questions
- What is Arizona Medical Associates Inc's NPI number?
- Arizona Medical Associates Inc's National Provider Identifier (NPI) is 1821465584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Arizona Medical Associates Inc?
- Arizona Medical Associates Inc is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Arizona Medical Associates Inc located?
- Arizona Medical Associates Inc's practice location on file with NPPES is 1301 South Rismon Road, Mesa, AZ 85209-3767.
- What is Arizona Medical Associates Inc's phone number?
- The practice phone number listed in the NPPES registry for Arizona Medical Associates Inc is (480) 258-0489.
- Who is the authorized official for Arizona Medical Associates Inc?
- The authorized official listed on Arizona Medical Associates Inc's NPPES record is Ralph D'Silva, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Arizona Medical Associates Inc's NPI active?
- Yes — Arizona Medical Associates Inc's NPI (1821465584) is active in the NPPES registry as of the last update on 2019-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.