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Karthik Nandakumar
NPI 1679459044 · Mental Health Counselor · San Jose, CA
Karthik Nandakumar is a Mental Health Counselor provider in San Jose, CA (NPI 1679459044).
Provider details
- NPI number
- 1679459044
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(48/100 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
83% 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
650 S 5th St
San Jose, CA 95112-5636
Phone: (408) 457-6284
Street-level locationGet directions
Mailing address
650 S 5th St
San Jose, CA 95112-5636
Registry dates
- Enumerated
- 2025-08-12
- Last updated
- 2025-08-12
- Certified
- 2025-08-12
Frequently asked questions
- What is Karthik Nandakumar's NPI number?
- Karthik Nandakumar's National Provider Identifier (NPI) is 1679459044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karthik Nandakumar's specialty?
- Karthik Nandakumar is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Karthik Nandakumar located?
- Karthik Nandakumar's practice location on file with NPPES is 650 S 5th St, San Jose, CA 95112-5636.
- What is Karthik Nandakumar's phone number?
- The practice phone number listed in the NPPES registry for Karthik Nandakumar is (408) 457-6284.
- Is Karthik Nandakumar's NPI active?
- Yes — Karthik Nandakumar's NPI (1679459044) is active in the NPPES registry as of the last update on 2025-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.