Arnold Koo, DC
Chiropractor · Pleasanton, CA
Arnold Koo, DC is a chiropractor with a practice address in Pleasanton, California, and NPI 1073148474, issued on Mar 5, 2020. Check the license (California 34641, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Arnold Koo
- Credential
- DC
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 34641 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6654 Koll Center Pkwy Ste 100, Pleasanton, CA 94566
- Phone
- (925) 396-8004
- Enumerated
- Mar 5, 2020
- Record last updated
- Mar 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (925) 396-8005
- Medicare enrollment
- Enrolled (PECOS I20200709001692); may accept Medicare assignment
- Medical or professional school
- Life Chiropractic College - West, 2019
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 11,498 in California → Look up another NPI →
Verify Arnold Koo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34641Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Arnold Koo among 11,498 chiropractor records in California
Arnold Koo, DC is one of 11,498 chiropractor records with a practice address in California. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2020, is newer than 86% of them.
- NPI issued2020 · 86% of these records are older, 13% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileYes · 25% of these records are
- Graduated2019 · median 1999 among the 2,907 with a school on file
- Record last updated2020 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
69 chiropractor records list a practice address in Pleasanton
They are 69 of the 2,213 NPPES records with a practice address in Pleasanton, and 11,498 chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 11,498 in California → Every provider in Pleasanton → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Richard Asturias, D.C., Q.M.E.Pleasanton, CA 945661568548303
- Russell Chow, D.C.Pleasanton, CA 945661801967930
- Wayne Coleman, D.C.Pleasanton, CA 945661154417558
- Glen Dawdy, D.C.Pleasanton, CA 945661396819942
- David De Bonis, D.C.Pleasanton, CA 945661215040910
- Thomas Forest, D.C.Pleasanton, CA 945661225182124
- Scott Hamlin, DCPleasanton, CA 945661740205384
- Lisa Kirk, DCPleasanton, CA 945661649292277
Common questions
What is Arnold Koo, DC's NPI number?
Arnold Koo, DC's National Provider Identifier (NPI) is 1073148474, issued on Mar 5, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Arnold Koo, DC located?
The NPPES record lists a practice address at 6654 Koll Center Pkwy Ste 100, Pleasanton, CA, 94566. Phone: (925) 396-8004. Providers update this record themselves, so call before visiting.
How can I verify Arnold Koo, DC's license?
NPPES lists California license number 34641, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.