OrganizationActive
Michael J. Gahagan, D.D.S., a Professional Corporation
NPI 1790995660 · Periodontics · Newport Beach, CA
Michael J. Gahagan, D.D.S., a Professional Corporation is a Periodontics organization in Newport Beach, CA (NPI 1790995660).
Provider details
- NPI number
- 1790995660
- Entity type
- Organization
- Primary specialty
- PeriodonticsDental Providers
- Organization subpart
- No
- Authorized official
- Michael Gahagan, Dentist(949) 640-6683
- License
- 26400 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1441 Avocado Ave
Suite 605
Newport Beach, CA 92660-7721
Phone: (949) 640-6683
Fax: (949) 640-0492
Street-level locationGet directions
Mailing address
1441 Avocado Ave
Newport Beach, CA 92660-7721
Registry dates
- Enumerated
- 2007-05-22
- Last updated
- 2020-08-22
Frequently asked questions
- What is Michael J. Gahagan, D.D.S., a Professional Corporation's NPI number?
- Michael J. Gahagan, D.D.S., a Professional Corporation's National Provider Identifier (NPI) is 1790995660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Michael J. Gahagan, D.D.S., a Professional Corporation?
- Michael J. Gahagan, D.D.S., a Professional Corporation is classified in the NPPES registry as Periodontics (Dental Providers).
- Where is Michael J. Gahagan, D.D.S., a Professional Corporation located?
- Michael J. Gahagan, D.D.S., a Professional Corporation's practice location on file with NPPES is 1441 Avocado Ave, Newport Beach, CA 92660-7721.
- What is Michael J. Gahagan, D.D.S., a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Michael J. Gahagan, D.D.S., a Professional Corporation is (949) 640-6683.
- Who is the authorized official for Michael J. Gahagan, D.D.S., a Professional Corporation?
- The authorized official listed on Michael J. Gahagan, D.D.S., a Professional Corporation's NPPES record is Michael Gahagan, Dentist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Michael J. Gahagan, D.D.S., a Professional Corporation's NPI active?
- Yes — Michael J. Gahagan, D.D.S., a Professional Corporation's NPI (1790995660) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.