Dr. Stephanie Elizabeth O'Brien, DO
- Part D claims, 2024
- 123
- Hospital affiliations
- 1
- Industry payments
- $301
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 6200 North La Cholla Boulevard, Tucson, AZ 85741
- Practice phone
- Call (520) 469-8100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Brien'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. Stephanie Elizabeth O'Brien is a hospitalist in Tucson, Arizona
Dr. O'Brien practices at Northwest Medical Center in Tucson, Arizona, part of Community Health Systems.
Dr. O'Brien's NPI, 1346944105, was assigned on March 27, 2023. Dr. O'Brien holds Arizona license 012484.
- NPI
- 1346944105NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274098702
- NPI enumeration date
- March 27, 2023
- NPI status
- Active
- Practice phone
- (520) 469-8100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Stephanie Elizabeth O'Brien practices at Northwest Medical Center in Tucson, Arizona
Dr. O'Brien's primary practice is Northwest Medical Center, at 6200 North La Cholla Boulevard, Tucson, AZ 85741 in Pima County. The practice phone is (520) 469-8100.
- Northwest Medical Center6200 North La Cholla Boulevard, Tucson, AZ 85741 · Pima CountyPhone(520) 469-8100
Source: Dmand AI Affiliation Data
Dr. Stephanie Elizabeth O'Brien is affiliated with 1 site of care
Dr. O'Brien's primary practice is Northwest Medical Center in Tucson, Arizona, part of Community Health Systems.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephanie Elizabeth O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwest Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephanie Elizabeth O'Brien is one of 720 hospitalists in Arizona
Hospitalist is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. O'Brien is licensed in Arizona.
Specialties and state licenses
- Hospitalist, ArizonaPrimary
Hospitalists near Dr. O'Brien
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. Stephanie Elizabeth O'Brien's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 69, with 71% women.
Dr. O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women71%
- Men29%
Source: Dmand AI Patient Panel Data
Dr. Stephanie Elizabeth O'Brien wrote 123 Medicare Part D claims in 2024
In 2024, Dr. O'Brien wrote 123 Medicare Part D claims for 51 patients. 82% of them were for generic drugs.
Dr. O'Brien's Part D claims by kind of drug, 2024
- Generic101 claims82%
- Brand-name and other22 claims18%
Drug classes CMS tracks in Dr. O'Brien's Part D claims, 2024
- Antibiotics19%23 of 123 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Stephanie Elizabeth O'Brien received $301 in industry payments in 2025
CMS Open Payments shows 4 general payments to Dr. O'Brien from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $160.
Companies that paid Dr. O'Brien the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Stephanie Elizabeth O'Brien'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. Stephanie Elizabeth O'Brien
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. Stephanie Elizabeth O'Brien's NPI number?
Dr. Stephanie Elizabeth O'Brien's NPI number is 1346944105. It was assigned on March 27, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephanie Elizabeth O'Brien?
Dr. Stephanie Elizabeth O'Brien is a hospitalist in Tucson, Arizona. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Stephanie Elizabeth O'Brien practice?
Dr. O'Brien practices at 6200 North La Cholla Boulevard, Tucson, AZ 85741. Dr. O'Brien's primary practice is Northwest Medical Center in Tucson, Arizona, part of Community Health Systems.
What is Dr. Stephanie Elizabeth O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (520) 469-8100.
What is Dr. Stephanie Elizabeth O'Brien's medical license number?
Dr. O'Brien holds Arizona license 012484.
Which hospitals is Dr. Stephanie Elizabeth O'Brien affiliated with?
Dr. O'Brien practices at Northwest Medical Center in Tucson, Arizona.
Has Dr. Stephanie Elizabeth O'Brien received payments from drug or device companies?
CMS Open Payments shows $301 in general payments to Dr. O'Brien from 3 companies from 2025 to 2025. The largest total came from Amgen Inc.
How long has Dr. Stephanie Elizabeth O'Brien been practicing?
Dr. O'Brien's NPI was assigned in 2023.
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