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Marsha Welch, LCSW
NPI 1396769287 · Clinical Social Worker · Tustin, CA
Marsha Welch, LCSW is a Clinical Social Worker provider in Tustin, CA (NPI 1396769287).
Provider details
- NPI number
- 1396769287
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCS20678 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES 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
17542 Irvine Blvd Ste F
Tustin, CA 92780-3155
Phone: (714) 508-1919
Fax: (714) 508-1935
Street-level locationGet directions
Mailing address
20884 Serrano Creek Rd
Lake Forest, CA 92630-6448
Registry dates
- Enumerated
- 2006-07-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marsha Welch's NPI number?
- Marsha Welch's National Provider Identifier (NPI) is 1396769287, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marsha Welch's specialty?
- Marsha Welch is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marsha Welch located?
- Marsha Welch's practice location on file with NPPES is 17542 Irvine Blvd Ste F, Tustin, CA 92780-3155.
- What is Marsha Welch's phone number?
- The practice phone number listed in the NPPES registry for Marsha Welch is (714) 508-1919.
- Is Marsha Welch's NPI active?
- Yes — Marsha Welch's NPI (1396769287) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.