What is Diane Lee's NPI number?

Diane Lee's National Provider Identifier (NPI) is 1306719299, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Diane Lee's specialty?

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

Where is Diane Lee located?

Diane Lee's practice location on file with NPPES is Po Box 1062, Walnut, CA 91788-1062.

What is Diane Lee's phone number?

The practice phone number listed in the NPPES registry for Diane Lee is (909) 817-1820.

Is Diane Lee's NPI active?

Yes — Diane Lee's NPI (1306719299) is active in the NPPES registry as of the last update on 2025-09-26.

IndividualActive

Diane Lee

NPI 1306719299 · Mental Health Counselor · Walnut, CA

Diane Lee is a Mental Health Counselor provider in Walnut, CA (NPI 1306719299).

Provider details

NPI number: 1306719299
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 20610 (CA)

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800XLicense 20610 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(54/100 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
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

Po Box 1062

Walnut, CA 91788-1062

Phone: (909) 817-1820

Approximate (ZIP-level) locationGet directions

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Mailing address