What is Sydney Duncan's NPI number?

Sydney Duncan's National Provider Identifier (NPI) is 1053999243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sydney Duncan's specialty?

Sydney Duncan is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Sydney Duncan located?

Sydney Duncan's practice location on file with NPPES is 18221 E 17th St, Santa Ana, CA 92705-2676.

What is Sydney Duncan's phone number?

The practice phone number listed in the NPPES registry for Sydney Duncan is (714) 730-0930.

Is Sydney Duncan's NPI active?

Yes — Sydney Duncan's NPI (1053999243) is active in the NPPES registry as of the last update on 2021-08-23.

IndividualActive

Sydney Duncan

NPI 1053999243 · Mental Health Counselor · Santa Ana, CA

Sydney Duncan is a Mental Health Counselor provider in Santa Ana, CA (NPI 1053999243).

Provider details

NPI number: 1053999243
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Established profile(56/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
5 yrs in NPPES registry
Profile completeness38% of score
83% 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

18221 E 17th St

Santa Ana, CA 92705-2676

Phone: (714) 730-0930

Street-level locationGet directions

More CA providers

Mailing address