Associated Internists of Tucson, PLLC
NPI 1558318345 · Internal Medicine Physician · Tucson, AZ
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Associated Internists of Tucson, PLLC is a Internal Medicine Physician organization in Tucson, AZ (NPI 1558318345).
Provider details
- NPI number
- 1558318345
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Nicholas Bastiampillai, Member(520) 429-5316
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-27
- Last updated
- 2024-08-28
- Certified
- 2024-08-28
Frequently asked questions
- What is Associated Internists of Tucson, PLLC's NPI number?
- Associated Internists of Tucson, PLLC's National Provider Identifier (NPI) is 1558318345, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Associated Internists of Tucson, PLLC?
- Associated Internists of Tucson, PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Associated Internists of Tucson, PLLC located?
- Associated Internists of Tucson, PLLC's practice location on file with NPPES is 6501 E Santa Aurelia, Tucson, AZ 85715-3127.
- What is Associated Internists of Tucson, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Associated Internists of Tucson, PLLC is (520) 296-1206.
- Does Associated Internists of Tucson, PLLC accept Medicare?
- Associated Internists of Tucson, PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Associated Internists of Tucson, PLLC?
- The authorized official listed on Associated Internists of Tucson, PLLC's NPPES record is Nicholas Bastiampillai, Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Associated Internists of Tucson, PLLC's NPI active?
- Yes — Associated Internists of Tucson, PLLC's NPI (1558318345) is active in the NPPES registry as of the last update on 2024-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.