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DR. ARNOLD KOO DC
NPI 1073148474
Chiropractor in Pleasanton, CA

Active since March 05, 2020Accepts Medicare Assignment
6654 KOLL CENTER PKWY STE 100, PLEASANTON, CA 94566(925) 396-8004(925) 396-8005 Get Directions Write a Review

NPPES record last updated: March 5, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Arnold Koo Dc NPPES

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

DR. ARNOLD KOO DC (NPI 1073148474) is an individual chiropractor in Pleasanton, California, licensed in California (34641) and active in the NPI registry since March 2020. He is a graduate of Life Chiropractic College - West (2019).

NPPES Registry Identity

NPI1073148474
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. ARNOLD KOOCredential: DC
Location Address6654 KOLL CENTER PKWY STE 100Pleasanton, CA 94566-3123
Mailing Address6654 Koll Center Pkwy Ste 100Pleasanton, CA 94566-3123 · (925) 396-8004 · Fax (925) 396-8005
Phone(925) 396-8004
Fax(925) 396-8005
Sole ProprietorNo
Medical School CMSLife Chiropractic College - WestGraduated 2019
Enumeration DateMarch 5, 2020
NPPES CertifiedMarch 5, 2020
✔ NPI 1073148474 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in CA · 34641
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
6654 KOLL CENTER PKWY STE 100, Pleasanton, CA 94566
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Arnold Koo Dc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3678996675
PECOS Enrollment IDI20200709001692

Medicare Billing Reassignment

Medicare enrollment records show Arnold Koo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Arnold Koo Chiropractic PC
Same address
Chiropractor
6654 KOLL CENTER PKWY STE 100
Pleasanton, CA 94566
  • Reassigned Medicare billing, California enrollment
NPI 1164057170 (925) 396-8004

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Chiropractic manipulative treatment, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
87 services14 patients

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ARNOLD KOO CHIROPRACTIC PC
Chiropractor
6654 KOLL CENTER PKWY STE 100
PLEASANTON, CA 94566
Alameda County (925) 396-8004

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 Arnold Koo's NPI number?

The NPI number for Arnold Koo is 1073148474. It was assigned to this individual provider in the NPPES registry on March 5, 2020.

Where is Arnold Koo located?

Arnold Koo practices at 6654 Koll Center Pkwy Ste 100, Pleasanton, CA 94566. The listed phone number is (925) 396-8004.

What is Arnold Koo's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Arnold Koo enrolled in Medicare?

Yes. Arnold Koo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Arnold Koo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Arnold Koo reassigns Medicare benefits to Arnold Koo Chiropractic PC (Pleasanton, CA). The 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 Arnold Koo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Arnold Koo was last updated on March 5, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.