Douglas Nitta, M.D., Inc.
NPI 1902115934 · Clinic/Center · Fullerton, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Nitta, M.D., Inc. is a Clinic/Center organization in Fullerton, CA (NPI 1902115934).
Provider details
- NPI number
- 1902115934
- Entity type
- Organization
- Primary specialty
- Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Douglas Nitta, President(714) 773-1116
- License
- G45491 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2010-09-24
- Last updated
- 2010-09-24
Frequently asked questions
- What is Douglas Nitta, M.D., Inc.'s NPI number?
- Douglas Nitta, M.D., Inc.'s National Provider Identifier (NPI) is 1902115934, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Douglas Nitta, M.D., Inc.?
- Douglas Nitta, M.D., Inc. is classified in the NPPES registry as Clinic/Center (Ambulatory Health Care Facilities).
- Where is Douglas Nitta, M.D., Inc. located?
- Douglas Nitta, M.D., Inc.'s practice location on file with NPPES is 301 W. Bastanchury Road, Fullerton, CA 92835.
- What is Douglas Nitta, M.D., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Douglas Nitta, M.D., Inc. is (714) 773-1116.
- Does Douglas Nitta, M.D., Inc. accept Medicare?
- Douglas Nitta, M.D., Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Douglas Nitta, M.D., Inc.?
- The authorized official listed on Douglas Nitta, M.D., Inc.'s NPPES record is Douglas Nitta, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Douglas Nitta, M.D., Inc.'s NPI active?
- Yes — Douglas Nitta, M.D., Inc.'s NPI (1902115934) is active in the NPPES registry as of the last update on 2010-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.