Zach O'Connor, DO
NPI 1073002713 · Hospitalist Physician · Sun City, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zach O'Connor, DO is a Hospitalist Physician provider in Sun City, AZ (NPI 1073002713).
Provider details
- NPI number
- 1073002713
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 009290 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
346 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 311 | $167 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 20 | $125 |
| Critical Care, First 30-74 Minutes99291 | 15 | $193 |
Typical Medicare-allowed amounts for these services range $125–$193 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 269 S Candy LnCottonwood, AZ 86326-4158Phone: (928) 649-4900
Registry dates
- Enumerated
- 2018-05-08
- Last updated
- 2024-02-01
- Certified
- 2024-02-01
Frequently asked questions
- What is Zach O'Connor's NPI number?
- Zach O'Connor's National Provider Identifier (NPI) is 1073002713, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zach O'Connor's specialty?
- Zach O'Connor is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Zach O'Connor located?
- Zach O'Connor's practice location on file with NPPES is 10401 W Thunderbird Blvd, Sun City, AZ 85351-3004.
- What is Zach O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Zach O'Connor is (623) 832-4000.
- Does Zach O'Connor accept Medicare?
- Zach O'Connor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zach O'Connor's NPI active?
- Yes — Zach O'Connor's NPI (1073002713) is active in the NPPES registry as of the last update on 2024-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.