JULIA JANE IRWIN, MD, PC
NPI 1871788059
Psychiatry & Neurology - Psychiatry in Norman, OK

Q: What is Julia Jane Irwin, MD, PC's NPI number?

The NPI number for Julia Jane Irwin, MD, PC is 1871788059. It was assigned to this organization in the NPPES registry on September 11, 2007.

Q: What is Julia Jane Irwin, MD, PC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Active since September 11, 2007

820 WALL STREET, NORMAN, OK 73069(405) 928-2044(405) 928-2046 Get Directions Write a Review

NPPES record last updated: December 16, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Julia Jane Irwin, Md, Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JULIA JANE IRWIN, MD, PC (NPI 1871788059) is a healthcare organization registered as a psychiatry in Norman, Oklahoma and active in the NPI registry since September 2007. The organization lists Julia Jane Irwin, President, as its authorized official.

NPPES Registry Identity

NPI1871788059

Entity TypeOrganization

Primary Taxonomy2084P0800X

Legal Business NameJULIA JANE IRWIN, MD, PC

Location Address820 WALL STREETNorman, OK 73069

Mailing Address820 Wall StreetNorman, OK 73069 · (405) 928-2044 · Fax (405) 928-2046

Phone(405) 928-2044

Fax(405) 928-2046

Organization SubpartNo

Authorized OfficialJulia Jane IrwinPresident · (405) 928-2044

Enumeration DateSeptember 11, 2007

Last NPPES UpdateDecember 16, 2013

✔ NPI 1871788059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in OK · 20319

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

820 WALL STREET, Norman, OK 73069

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Other Identifiers 1

Medicare PIN600522070OK

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Julia Jane Irwin, Md, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Julia Jane Irwin, MD, PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Julia Irwin, M.D.

Psychiatry

NPI 1306951124

820 WALL ST
Norman, OK 73069

(405) 928-2044

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Julia Jane Irwin, MD, PC's NPI number?

The NPI number for Julia Jane Irwin, MD, PC is 1871788059. It was assigned to this organization in the NPPES registry on September 11, 2007.

Where is Julia Jane Irwin, MD, PC located?

Julia Jane Irwin, MD, PC is located at 820 Wall Street, Norman, OK 73069. The listed phone number is (405) 928-2044.

What is Julia Jane Irwin, MD, PC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Julia Jane Irwin, MD, PC enrolled in Medicare?

Yes. Julia Jane Irwin, MD, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Julia Jane Irwin, MD, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Julia Jane Irwin, MD, PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Julia Jane Irwin, MD, PC was last updated on December 16, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.