What is Carolyn Koyama's NPI number?

Carolyn Koyama's National Provider Identifier (NPI) is 1205768843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Carolyn Koyama's specialty?

Carolyn Koyama is listed in the NPPES registry with a primary specialty of School Counselor (Behavioral Health & Social Service Providers).

Where is Carolyn Koyama located?

Carolyn Koyama's practice location on file with NPPES is 28000 Wolverine Way, Aliso Viejo, CA 92656-3385.

What is Carolyn Koyama's phone number?

The practice phone number listed in the NPPES registry for Carolyn Koyama is (949) 831-9495.

Is Carolyn Koyama's NPI active?

Yes — Carolyn Koyama's NPI (1205768843) is active in the NPPES registry as of the last update on 2026-05-29.

IndividualActive

Carolyn Koyama

NPI 1205768843 · School Counselor · Aliso Viejo, CA

Carolyn Koyama is a School Counselor provider in Aliso Viejo, CA (NPI 1205768843).

Provider details

NPI number: 1205768843
Entity type: Individual
Primary specialty: School CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

School CounselorPrimary101YS0200X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(46/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

28000 Wolverine Way

Aliso Viejo, CA 92656-3385

Phone: (949) 831-9495

Street-level locationGet directions

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Mailing address