Sundar Cook, PSY.D.
NPI 1881898609 · Clinical Psychologist · Alexandria, VA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sundar Cook, PSY.D. is a Clinical Psychologist provider in Alexandria, VA (NPI 1881898609).
Provider details
- NPI number
- 1881898609
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0810003809 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2007-06-14
- Last updated
- 2020-05-06
- Certified
- 2020-05-06
Frequently asked questions
- What is Sundar Cook's NPI number?
- Sundar Cook's National Provider Identifier (NPI) is 1881898609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sundar Cook's specialty?
- Sundar Cook is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Sundar Cook located?
- Sundar Cook's practice location on file with NPPES is 411 1/2 N Washington St, Alexandria, VA 22314-2311.
- What is Sundar Cook's phone number?
- The practice phone number listed in the NPPES registry for Sundar Cook is (540) 931-5238.
- Does Sundar Cook accept Medicare?
- Sundar Cook is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sundar Cook's NPI active?
- Yes — Sundar Cook's NPI (1881898609) is active in the NPPES registry as of the last update on 2020-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.