Regan O'brien, MD - Medicare Psychiatry in Scottsdale, AZ

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Regan O'brien, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Scottsdale, Arizona. She went to Northeastern Ohio University College Of Medicine and graduated in 2015 and has 11 years of diverse experience with area of expertise as Psychiatry. She is a member of the group practice Banner - University Physician Specialists Llc and her current practice location is 2700 N Hayden Rd Apt 2094, Scottsdale, Arizona. You can reach out to her office (for appointments etc.) via phone at (602) 559-1920.

Regan O'brien is licensed to practice in Arizona (license number 53579) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1578950978.

Contact Information

Regan O'brien, MD
2700 N Hayden Rd Apt 2094,
Scottsdale, AZ 85257-1754
(602) 559-1920
Not Available

Map and Direction




Physician's Profile

Full NameRegan O'brien
GenderFemale
SpecialityPsychiatry
Experience11 Years
Location2700 N Hayden Rd Apt 2094, Scottsdale, Arizona
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Regan O'brien attended and graduated from Northeastern Ohio University College Of Medicine in 2015
  NPI Data:
  • NPI Number: 1578950978
  • Provider Enumeration Date: 04/23/2015
  • Last Update Date: 02/13/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 6406198613
  • Enrollment ID: I20190508000925

Medical Identifiers

Medical identifiers for Regan O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1578950978NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry 53579 (Arizona)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Banner - University Physician Specialists Llc5991008054295

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Regan O'brien allows following entities to bill medicare on her behalf.
Entity NameDistrict Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336472448
PECOS PAC ID: 7315086691
Enrollment ID: O20091125000583
Entity NameBanner - University Physician Specialists Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437529245
PECOS PAC ID: 5991008054
Enrollment ID: O20160122001476
Entity NameEast Valley Psychiatry Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992240857
PECOS PAC ID: 1355626565
Enrollment ID: O20170329002371
Entity NameTurnwell Mental Health Of Arizona, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639872518
PECOS PAC ID: 4981063328
Enrollment ID: O20230704000179

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Regan O'brien is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Regan O'brien, MD
1032 E Northview Ave,
Phoenix, AZ 85020-5023

Ph: (602) 559-1920		Regan O'brien, MD
2700 N Hayden Rd Apt 2094,
Scottsdale, AZ 85257-1754

Ph: (602) 559-1920

Reviews and Comments


Psychiatry & Neurology Doctors in Scottsdale, AZ

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Dr. Mark C. Feinstein, D.O.
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Practice Location: 8686 E San Alberto Ste 100, Scottsdale, AZ 85258
Phone: 602-516-4734    Fax: 602-357-4665

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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