What is Heather Lewis's NPI number?

Heather Lewis's National Provider Identifier (NPI) is 1942463310, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Heather Lewis's specialty?

Heather Lewis is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).

Where is Heather Lewis located?

Heather Lewis's practice location on file with NPPES is 25350 Magic Mountain Pkwy Ste 300, Valencia, CA 91355-1356.

What is Heather Lewis's phone number?

The practice phone number listed in the NPPES registry for Heather Lewis is (530) 744-5525.

Is Heather Lewis's NPI active?

Yes — Heather Lewis's NPI (1942463310) is active in the NPPES registry as of the last update on 2023-05-28.

IndividualActive

Heather Lewis, LMFT

NPI 1942463310 · Marriage & Family Therapist · Valencia, CA

Heather Lewis, LMFT is a Marriage & Family Therapist provider in Valencia, CA (NPI 1942463310).

Provider details

NPI number: 1942463310
Entity type: Individual
Primary specialty: Marriage & Family TherapistBehavioral Health & Social Service Providers
Credential: LMFT
Sex: Female
Sole proprietor: Yes
License: LF61155907 (WA)

Specialties & taxonomies

Marriage & Family TherapistPrimary106H00000XLicense 78636 (CA)
Behavioral Health & Social Service Providers
Marriage & Family Therapist106H00000XLicense LF61155907 (WA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(96/100 index)

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

Registry tenure38% of score
17 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
3 documented practice locations

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

25350 Magic Mountain Pkwy Ste 300

Valencia, CA 91355-1356

Phone: (530) 744-5525

Fax: (877) 489-0878

Street-level locationGet directions

More CA providers

Mailing address

Po Box 8744

Lancaster, CA 93539-8744

Additional practice locations (2)

2317 Edam St
Lancaster, CA 93536-5758
Phone: (530) 744-5525
Fax: (877) 489-0878
1400 112th Ave Se Ste 100
Bellevue, WA 98004-6901
Phone: (530) 744-5525
Fax: (877) 489-0878

Enumerated: 2008-07-07
Last updated: 2023-05-28
Certified: 2023-05-28

Frequently asked questions

What is Heather Lewis's NPI number?: Heather Lewis's National Provider Identifier (NPI) is 1942463310, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Heather Lewis's specialty?: Heather Lewis is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
Where is Heather Lewis located?: Heather Lewis's practice location on file with NPPES is 25350 Magic Mountain Pkwy Ste 300, Valencia, CA 91355-1356.
What is Heather Lewis's phone number?: The practice phone number listed in the NPPES registry for Heather Lewis is (530) 744-5525.
Is Heather Lewis's NPI active?: Yes — Heather Lewis's NPI (1942463310) is active in the NPPES registry as of the last update on 2023-05-28.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.