Ies Obs Arizona PLLC
NPI 1356006670 · Emergency Medicine Physician · Tucson, AZ
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ies Obs Arizona PLLC is a Emergency Medicine Physician organization in Tucson, AZ (NPI 1356006670).
Provider details
- NPI number
- 1356006670
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Nestor Zenarosa, Authorized Official(469) 420-5527
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
4 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
- 2021-11-02
- Last updated
- 2022-11-22
- Certified
- 2022-11-22
Frequently asked questions
- What is Ies Obs Arizona PLLC's NPI number?
- Ies Obs Arizona PLLC's National Provider Identifier (NPI) is 1356006670, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ies Obs Arizona PLLC?
- Ies Obs Arizona PLLC is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ies Obs Arizona PLLC located?
- Ies Obs Arizona PLLC's practice location on file with NPPES is 5301 E Grant Rd, Tucson, AZ 85712-2805.
- What is Ies Obs Arizona PLLC's phone number?
- The practice phone number listed in the NPPES registry for Ies Obs Arizona PLLC is (469) 420-5527.
- Does Ies Obs Arizona PLLC accept Medicare?
- Ies Obs Arizona 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 Ies Obs Arizona PLLC?
- The authorized official listed on Ies Obs Arizona PLLC's NPPES record is Nestor Zenarosa, Authorized Official. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ies Obs Arizona PLLC's NPI active?
- Yes — Ies Obs Arizona PLLC's NPI (1356006670) is active in the NPPES registry as of the last update on 2022-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.