Doctor profile · Federal record

Dr. Daniel O'Brien, DC

Chiropractor (CMS: Chiropractic) · Arlington, WA

  • NPI 1174180459
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
113 W Division St
Arlington, WA 982231239
(360) 435-5200
Additional location
1200 112Th Ave Ne Ste C180
Bellevue, WA 980043776
(425) 467-5955
fax (425) 467-5839

Credentials & registration

NPPES · NUCC
NPI registered
May 2019 — 7 yrs on file
Profile last updated
November 4, 2019
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Washington #CH60832268

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174180459. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
251
Distinct HCPCS
1
Medicare allowed
$9,945
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 251 42 $40

In context: peer comparison

Among 5 peers in this city , average services per provider: 228. This provider delivers 1.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel O'Brien's medical specialty?
Dr. Daniel O'Brien practices Chiropractor in Arlington, WA.
Where does Dr. Daniel O'Brien practice?
Dr. Daniel O'Brien practices at 113 W Division St, Arlington, WA 982231239. Office phone: 3604355200.
What is Dr. Daniel O'Brien's NPI?
Dr. Daniel O'Brien's National Provider Identifier (NPI) is 1174180459, issued by NPPES.
Does Dr. Daniel O'Brien accept Medicare assignment?
Yes. Dr. Daniel O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated May 24, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›