Dr. Zach Lewis O'Connor, DO
- Medicare services, 2024
- 346
- Medicare patients, 2024
- 343
- Part D claims, 2023
- 11
- MIPS score, 2024
- 84
- Hospital affiliations
- 4
- Practice address
- 1900 North Higley Road, Gilbert, AZ 85234
- Practice phone
- Call (480) 543-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Connor's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Zach Lewis O'Connor is a hospitalist in Gilbert, Arizona
Dr. O'Connor practices at Banner Gateway Medical Center in Gilbert, Arizona, part of Banner Health.
Dr. O'Connor's NPI, 1073002713, was assigned on May 8, 2018. Dr. O'Connor holds Arizona license 009290.
- NPI
- 1073002713NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022416387
- NPI enumeration date
- May 8, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (480) 543-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Zach Lewis O'Connor practices at Banner Gateway Medical Center in Gilbert, Arizona
Dr. O'Connor's primary practice is Banner Gateway Medical Center, at 1900 North Higley Road, Gilbert, AZ 85234 in Maricopa County. The practice phone is (480) 543-2000.
- Banner Gateway Medical Center1900 North Higley Road, Gilbert, AZ 85234 · Maricopa CountyPhone(480) 543-2000
Source: Dmand AI Affiliation Data
Dr. Zach Lewis O'Connor is affiliated with 4 sites of care and 1 medical group
Dr. O'Connor's primary practice is Banner Gateway Medical Center in Gilbert, Arizona, part of Banner Health. Dr. O'Connor is also affiliated with Banner Thunderbird Medical Center. The medical group on file is Banner Medical Group. Dmand AI also links Dr. O'Connor to 2 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Zach Lewis O'Connor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Connor practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Banner Gateway Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Banner Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Zach Lewis O'Connor is one of 720 hospitalists in Arizona
Hospitalist is Dr. O'Connor's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. O'Connor is licensed in Arizona.
Specialties and state licenses
- Hospitalist, ArizonaPrimary
Hospitalists near Dr. O'Connor
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Zach Lewis O'Connor billed Medicare for 346 services in 2024
CMS data shows 346 Medicare services from Dr. O'Connor across 3 procedure codes in 2024, for 343 Medicare patients. Medicare paid $44,489 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. O'Connor's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4872024: 34629%
Dr. O'Connor compared with the Arizona median for hospitalists, 2024
- Dr. O'Connor
- Arizona median
- Medicare services
- 346vs 51232% below
- Medicare patients
- 343vs 24540% above
- Part D claims
- 11vs 9488% below
Medians across 617 hospitalists in Arizona with Dmand AI profiles that report each measure.
Dr. O'Connor's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. O'Connor?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Connor and other hospitalists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Zach Lewis O'Connor treated 343 Medicare patients in 2024, average age 78
CMS counts 343 Medicare patients who saw Dr. O'Connor in 2024. The largest group is 75 to 84, with 164 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 2.38, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. O'Connor's median patient age at 71, with 53% women.
Dr. O'Connor's Medicare patients by age, 2024
Dr. O'Connor's Medicare patients by sex, 2024
- Women18755%
- Men15645%
Chronic conditions among Dr. O'Connor's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease62%
- Arthritis57%
- Ischemic heart disease56%
- Heart failure48%
- Atrial fibrillation46%
- Anxiety44%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Connor's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Zach Lewis O'Connor wrote 11 Medicare Part D claims in 2023
In 2023, Dr. O'Connor wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $133 in total drug cost. In 2022, CMS named 134 claims across 9 drugs.
Dr. O'Connor's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1342023: 1192%
Drugs named by CMS: 1 in 2023, 9 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Zach Lewis O'Connor scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. O'Connor for performance year 2024, reported as part of a group. Dr. O'Connor accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. O'Connor's MIPS scores, performance year 2024
- 84of 100Final score
- 65of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. Zach Lewis O'Connor's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Zach Lewis O'Connor
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Zach Lewis O'Connor's NPI number?
Dr. Zach Lewis O'Connor's NPI number is 1073002713. It was assigned on May 8, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Zach Lewis O'Connor?
Dr. Zach Lewis O'Connor is a hospitalist in Gilbert, Arizona. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Zach Lewis O'Connor practice?
Dr. O'Connor practices at 1900 North Higley Road, Gilbert, AZ 85234. Dr. O'Connor's primary practice is Banner Gateway Medical Center in Gilbert, Arizona, part of Banner Health. Dmand AI also links Dr. O'Connor to 2 hospitals.
What is Dr. Zach Lewis O'Connor's office phone number?
The practice phone on file for Dr. O'Connor is (480) 543-2000.
What is Dr. Zach Lewis O'Connor's medical license number?
Dr. O'Connor holds Arizona license 009290.
Which hospitals is Dr. Zach Lewis O'Connor affiliated with?
Dr. O'Connor practices at Banner Gateway Medical Center in Gilbert, Arizona. Dr. O'Connor is also affiliated with Banner Thunderbird Medical Center. Dmand AI links Dr. O'Connor to 2 more hospitals.
What medical group is Dr. Zach Lewis O'Connor part of?
Dr. O'Connor is linked to Banner Medical Group.
Does Dr. Zach Lewis O'Connor accept Medicare?
Yes. CMS data shows Dr. O'Connor billed Medicare for 346 services in 2024, and Dr. O'Connor accepts Medicare assignment.
What is Dr. Zach Lewis O'Connor's MIPS score?
Dr. O'Connor's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Zach Lewis O'Connor see?
CMS counts 343 Medicare patients who saw Dr. O'Connor in 2024, with an average age of 78.
Show 3 more questionsShow fewer questions
What services does Dr. Zach Lewis O'Connor bill to Medicare?
In 2024, Dr. O'Connor's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99222) and critical care (99291).
What drugs does Dr. Zach Lewis O'Connor prescribe most?
In 2023 Medicare Part D data, Dr. O'Connor's most prescribed drugs by claims were Cefdinir.
How long has Dr. Zach Lewis O'Connor been practicing?
Dr. O'Connor graduated from medical school in 2018, 8 years ago.
Selling to hospitalist practices?
See hospitalists in Arizona by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card