Gregory Paul Nishida, D.C.
Sports Physician Chiropractor · Newport Beach, CA
Gregory Paul Nishida, D.C. is a sports physician chiropractor with a practice address in Newport Beach, California, and NPI 1104957554, issued on Mar 8, 2007. Check the license (California DC20722, 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
- Gregory Paul Nishida
- Credential
- D.C.
- Primary taxonomy
- Sports Physician Chiropractor 111NS0005X
- License number
- DC20722 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20250 SW Acacia St, Newport Beach, CA 92660
- Phone
- (949) 851-2225
- Enumerated
- Mar 8, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (949) 851-2281
- Entity
- Type 1 · individual
8 nearest sports physician chiropractor records → All 404 in California → Look up another NPI →
Also registered at 20250 SW Acacia St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jack Giangiulio, DCChiropractor1053679696
Verify Gregory Paul Nishida in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DC20722Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gregory Paul Nishida among 404 sports physician chiropractor records in California
Gregory Paul Nishida, D.C. is one of 404 sports physician chiropractor records with a practice address in California. 8% 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 36% newer
- In a Medicare fileNo · 8% of these records are
- In the CMS Doctors and Clinicians fileNo · 27% of these records are
- Record last updated2007 · 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 111NS0005X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sports Physician Chiropractor providers in California
There are 404 sports physician chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 404 in California → Every provider in Newport Beach → Sports Physician Chiropractor nationwide →
The 8 sports physician chiropractor records with the nearest ZIP codes
- David BarneyNewport Beach, CA 926601225821846
- Danielle Bevier, D.C.Newport Beach, CA 926601851646509
- Nahid Majidi, D.CNewport Beach, CA 926601255546396
- Garrett Neill, DCNewport Beach, CA 926601811459738
- Michael Otoupalik, D.C.Aliso Viejo, CA 926561841263340
- Deborah Wood-Schade, D.C.Aliso Viejo, CA 926561689647182
- Dean Benson, D.C.Huntington Beach, CA 926491033321385
- Carol Young, D.C.Huntington Beach, CA 926491043218746
Common questions
What is Gregory Paul Nishida, D.C.'s NPI number?
Gregory Paul Nishida, D.C.'s National Provider Identifier (NPI) is 1104957554, issued on Mar 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Paul Nishida, D.C. located?
The NPPES record lists a practice address at 20250 SW Acacia St, Newport Beach, CA, 92660. Phone: (949) 851-2225. Providers update this record themselves, so call before visiting.
How can I verify Gregory Paul Nishida, D.C.'s license?
NPPES lists California license number DC20722, 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.