Dr. Regan V. O'Brien, MD
- Part D claims, 2024
- 69
- Industry payments
- $124
- Affiliated sites
- 2
- Medical groups
- 4
- State license
- 1
- Practice address
- 1492 S Mill Ave, Tempe, AZ 85281
- Practice phone
- Call (480) 508-0882
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Scottsdale Mental Health and Wellness Institute
Tempe, Arizona
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. Regan V. O'Brien is a psychiatrist in Tempe, Arizona
Dr. O'Brien practices at Scottsdale Mental Health and Wellness Institute in Tempe, Arizona.
Dr. O'Brien's NPI, 1578950978, was assigned on April 23, 2015. Dr. O'Brien graduated from Northeastern Ohio University College of Medicine in 2015. Dr. O'Brien holds Arizona license 53579.
- NPI
- 1578950978NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406198613
- NPI enumeration date
- April 23, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (480) 508-0882
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Regan V. O'Brien practices at Scottsdale Mental Health and Wellness Institute in Tempe, Arizona
Dr. O'Brien's primary practice is Scottsdale Mental Health and Wellness Institute, at 1492 S Mill Ave, Tempe, AZ 85281 in Maricopa County. The practice phone is (480) 508-0882.
- Scottsdale Mental Health and Wellness Institute1492 S Mill Ave, Tempe, AZ 85281 · Maricopa CountyPhone(480) 508-0882
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Regan V. O'Brien is affiliated with 3 sites of care and 4 medical groups
Dr. O'Brien's primary practice is Scottsdale Mental Health and Wellness Institute in Tempe, Arizona. The medical group on file is Turnwell Mental Health. Dmand AI also links Dr. O'Brien to 3 more medical groups and 2 group practices and clinics, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Regan V. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Scottsdale Mental Health and Wellness Institute | Available with a free account |
| +2 more sites and 3 medical groups | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Regan V. O'Brien is one of 647 psychiatrists in Arizona
Psychiatry is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. O'Brien is licensed in Arizona.
Specialties and state licenses
- Psychiatry, ArizonaPrimary
Psychiatrists near Dr. O'Brien
Counts of psychiatrists 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. Regan V. O'Brien's patients have a median age of 39
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 39, with 64% 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 39
Patient panel by sex, all payers
- Women64%
- Men35%
Source: Dmand AI Patient Panel Data
Dr. Regan V. O'Brien wrote 69 Medicare Part D claims in 2024
In 2024, Dr. O'Brien wrote 69 Medicare Part D claims for 11 patients. 88% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $5,066 in total drug cost.
Dr. O'Brien's Part D claims by kind of drug, 2024
- Generic61 claims88%
- Brand-name and other8 claims12%
Dr. O'Brien'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.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Regan V. O'Brien offers telehealth to Medicare patients
Dr. O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. O'Brien as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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.
Dr. Regan V. O'Brien received $124 in industry payments from 2017 to 2023
CMS Open Payments shows 4 general payments to Dr. O'Brien from 2 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $97.
General payments to Dr. O'Brien by program year, 2017 to 2023
Companies that paid Dr. O'Brien the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Regan V. O'Brien graduated from Northeastern Ohio University College of Medicine
Dr. O'Brien graduated from Northeastern Ohio University College of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Regan V. 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Regan V. 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. Regan V. O'Brien's NPI number?
Dr. Regan V. O'Brien's NPI number is 1578950978. It was assigned on April 23, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Regan V. O'Brien?
Dr. Regan V. O'Brien is a psychiatrist in Tempe, Arizona. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Regan V. O'Brien practice?
Dr. O'Brien practices at 1492 S Mill Ave, Tempe, AZ 85281. Dr. O'Brien's primary practice is Scottsdale Mental Health and Wellness Institute in Tempe, Arizona. Dmand AI also links Dr. O'Brien to 3 medical groups and 2 group practices and clinics.
What is Dr. Regan V. O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (480) 508-0882.
What is Dr. Regan V. O'Brien's medical license number?
Dr. O'Brien holds Arizona license 53579.
What medical group is Dr. Regan V. O'Brien part of?
Dr. O'Brien is linked to Turnwell Mental Health. Dmand AI links Dr. O'Brien to 3 more medical groups.
Does Dr. Regan V. O'Brien accept Medicare?
Yes. CMS lists Dr. O'Brien as accepting Medicare assignment.
Does Dr. Regan V. O'Brien offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. O'Brien as offering telehealth services.
Where did Dr. Regan V. O'Brien go to medical school?
Dr. O'Brien graduated from Northeastern Ohio University College of Medicine in 2015.
What drugs does Dr. Regan V. O'Brien prescribe most?
In 2023 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Belsomra.
Has Dr. Regan V. O'Brien received payments from drug or device companies?
CMS Open Payments shows $124 in general payments to Dr. O'Brien from 2 companies from 2017 to 2023. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Regan V. O'Brien been practicing?
Dr. O'Brien graduated from medical school in 2015, 11 years ago.
Selling to psychiatry practices?
See psychiatrists 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