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Michelle Witkin, PH.D.
NPI 1366600611 · Clinical Psychologist · Valencia, CA
Michelle Witkin, PH.D. is a Clinical Psychologist provider in Valencia, CA (NPI 1366600611).
Provider details
- NPI number
- 1366600611
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY14855 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
28494 Westinghouse Pl
Suite 203
Valencia, CA 91355-0930
Phone: (661) 753-3987
Street-level locationGet directions
Mailing address
28494 Westinghouse Pl
Valencia, CA 91355-0930
Registry dates
- Enumerated
- 2008-05-22
- Last updated
- 2017-01-09
Frequently asked questions
- What is Michelle Witkin's NPI number?
- Michelle Witkin's National Provider Identifier (NPI) is 1366600611, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Witkin's specialty?
- Michelle Witkin is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Michelle Witkin located?
- Michelle Witkin's practice location on file with NPPES is 28494 Westinghouse Pl, Valencia, CA 91355-0930.
- What is Michelle Witkin's phone number?
- The practice phone number listed in the NPPES registry for Michelle Witkin is (661) 753-3987.
- Is Michelle Witkin's NPI active?
- Yes — Michelle Witkin's NPI (1366600611) is active in the NPPES registry as of the last update on 2017-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.