Karen Naifeh, PHD
NPI 1427171453 · Psychologist · San Mateo, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Naifeh, PHD is a Psychologist provider in San Mateo, CA (NPI 1427171453).
Provider details
- NPI number
- 1427171453
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY14597 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-04-06
- Last updated
- 2011-10-20
Frequently asked questions
- What is Karen Naifeh's NPI number?
- Karen Naifeh's National Provider Identifier (NPI) is 1427171453, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Naifeh's specialty?
- Karen Naifeh is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Karen Naifeh located?
- Karen Naifeh's practice location on file with NPPES is 1 Baywood Ave, San Mateo, CA 94402-1523.
- What is Karen Naifeh's phone number?
- The practice phone number listed in the NPPES registry for Karen Naifeh is (650) 571-5212.
- Does Karen Naifeh accept Medicare?
- Karen Naifeh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Naifeh's NPI active?
- Yes — Karen Naifeh's NPI (1427171453) is active in the NPPES registry as of the last update on 2011-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.