Jonathan Sadai, M.D.
NPI 1821115080 · Allergy & Immunology Physician · Newport Beach, CA
Jonathan Sadai, M.D. is a Allergy & Immunology Physician organization in Newport Beach, CA (NPI 1821115080).
Provider details
- NPI number
- 1821115080
- Entity type
- Organization
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jonathan Sadai, Owner(949) 760-6990
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-03-23
- Last updated
- 2020-08-22
Frequently asked questions
- What is Jonathan Sadai, M.D.'s NPI number?
- Jonathan Sadai, M.D.'s National Provider Identifier (NPI) is 1821115080, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jonathan Sadai, M.D.?
- Jonathan Sadai, M.D. is classified in the NPPES registry as Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Sadai, M.D. located?
- Jonathan Sadai, M.D.'s practice location on file with NPPES is 400 Newport Center Dr, Newport Beach, CA 92660-7601.
- What is Jonathan Sadai, M.D.'s phone number?
- The practice phone number listed in the NPPES registry for Jonathan Sadai, M.D. is (949) 760-6990.
- Who is the authorized official for Jonathan Sadai, M.D.?
- The authorized official listed on Jonathan Sadai, M.D.'s NPPES record is Jonathan Sadai, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jonathan Sadai, M.D.'s NPI active?
- Yes — Jonathan Sadai, M.D.'s NPI (1821115080) 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.