Gregory Giles Gutowski, MS, CCP
Specialist · Orange, CA
Gregory Giles Gutowski, MS, CCP is a specialist with a practice address in Orange, California, and NPI 1962942904, issued on Feb 23, 2017. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gregory Giles Gutowski
- Credential
- MS, CCP
- Primary taxonomy
- Specialist 174400000X
- Practice location
- 101 The City Dr S, Orange, CA 92868
- Phone
- (714) 456-5521
- Enumerated
- Feb 23, 2017
- Record last updated
- Feb 23, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (714) 456-5060
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 101 The City Dr S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory Giles Gutowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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 Giles Gutowski among 5,749 specialist records in California
Gregory Giles Gutowski, MS, CCP is one of 5,749 specialist records with a practice address in California. 30% 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 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileNo · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2017 · 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 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,749 in California → Every provider in Orange → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Michael Arquilla, M.D.Orange, CA 928681598734832
- Birbal Bhaskar, M.D.Orange, CA 928681194773168
- Ayaz Biviji, M.D.Orange, CA 928681023008422
- Michele Carpenter, M.D.Orange, CA 928681770543712
- Richard Faraday, M.D.Orange, CA 928681881662021
- Charles Keller, M.D.Orange, CA 928681558324392
- Thomas Kim, M.D.Orange, CA 928681144225301
- Eric Lee, M.D.Orange, CA 928681720075641
Common questions
What is Gregory Giles Gutowski, MS, CCP's NPI number?
Gregory Giles Gutowski, MS, CCP's National Provider Identifier (NPI) is 1962942904, issued on Feb 23, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Giles Gutowski, MS, CCP located?
The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (714) 456-5521. Providers update this record themselves, so call before visiting.
How can I verify Gregory Giles Gutowski, MS, CCP's license?
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.