DR. CHRISTOPHER EUDELL O'BRIEN (DNP, PMHNP-BC) – Psychiatric/Mental Health Nurse Practitioner, NPI 1477398493

DR. CHRISTOPHER EUDELL O'BRIEN (DNP, PMHNP-BC) is a healthcare provider. based in Richland, Washington. specializing in NURSE PRACTITIONER. They hold the professional credentials DNP, PMHNP-BC. They hold a License No. 041.477498 (IL). The NPI Number for DR. CHRISTOPHER EUDELL O'BRIEN (DNP, PMHNP-BC) is 1477398493

Main info

Male
Sole Proprietor
3 Years Of Experience
Accepts Medicare Assignment
Name
DR. CHRISTOPHER EUDELL O'BRIEN (DNP, PMHNP-BC)
NPI
1477398493
Phone
(657) 650-7104
Address
303 BRADLEY BLVD STE 307
Enumeration Date
1 July 2024
Last Update Date
6 November 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
2532005763
Graduation Year
2023 (3 years ago)
PAC ID
1557862364
Group Practice PAC ID
1557761608
Professional Enrollment ID
I20250902002277
Address ID
WA984993148LA9116XSWXX501
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience40
Completeness75
Years active:1State licenses:2Digital endpointsOther names

6,261 NURSE PRACTITIONER in WA

Provider Addresses for DR. CHRISTOPHER EUDELL O'BRIEN (DNP, PMHNP-BC)

  • 303 BRADLEY BLVD STE 307

    RICHLAND, WA 993524497

    Phone: (657) 650-7104

    Type: Mailing

  • 303 BRADLEY BLVD

    RICHLAND, WA 993524497

    Phone: (773) 849-8830

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2025-09-02

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20250902002277INurse PractitionerWATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 99352)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1557761608View full group profile
NameSpecialtyState
Nurse PractitionerWA
Nurse PractitionerWA
Nurse PractitionerWA
Nurse PractitionerWA
P S Y C H I A T R YOR
Nurse PractitionerWA
Nurse PractitionerCA
P S Y C H I A T R YWA
P S Y C H I A T R YWA
Nurse PractitionerWA

Reviews

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Frequently asked questions

Can I use this page to confirm DR. CHRISTOPHER EUDELL O'BRIEN (DNP, PMHNP-BC)'s NPI?
Yes. DR. CHRISTOPHER EUDELL O'BRIEN (DNP, PMHNP-BC) is listed with NPI 1477398493 in the public NPI dataset.
Does CMS list DR. CHRISTOPHER EUDELL O'BRIEN (DNP, PMHNP-BC) as active?
Yes — DR. CHRISTOPHER EUDELL O'BRIEN (DNP, PMHNP-BC) is active in the NPI listing used on this page.
What is DR. CHRISTOPHER EUDELL O'BRIEN (DNP, PMHNP-BC) best known for clinically?
Directory data describes DR. CHRISTOPHER EUDELL O'BRIEN (DNP, PMHNP-BC) with Psychiatric/Mental Health Nurse Practitioner. Clinical services aligned with this taxonomy classification.
Where is DR. CHRISTOPHER EUDELL O'BRIEN (DNP, PMHNP-BC) based?
DR. CHRISTOPHER EUDELL O'BRIEN (DNP, PMHNP-BC) is tied to Richland, Washington in the data we show; additional addresses may exist on the full record.
Why does DR. CHRISTOPHER EUDELL O'BRIEN (DNP, PMHNP-BC) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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