What is Sylvia Harper's NPI number?

Sylvia Harper's National Provider Identifier (NPI) is 1811868995, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sylvia Harper's specialty?

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

Where is Sylvia Harper located?

Sylvia Harper's practice location on file with NPPES is 1251 Massachusetts Ave Apt 78, Riverside, CA 92507-2855.

What is Sylvia Harper's phone number?

The practice phone number listed in the NPPES registry for Sylvia Harper is (951) 529-1700.

Is Sylvia Harper's NPI active?

Yes — Sylvia Harper's NPI (1811868995) is active in the NPPES registry as of the last update on 2025-09-13.

IndividualActive

Sylvia Harper

NPI 1811868995 · Mental Health Counselor · Riverside, CA

Sylvia Harper is a Mental Health Counselor provider in Riverside, CA (NPI 1811868995).

Provider details

NPI number: 1811868995
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 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

1251 Massachusetts Ave Apt 78

Riverside, CA 92507-2855

Phone: (951) 529-1700

Street-level locationGet directions

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Mailing address