Quick answers
- Which hospitals does Sundar J. Cook work at?
- Medicare's official clinician data lists Sundar J. Cook at 1 hospital: Inova Mount Vernon Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sundar J. Cook see patients?
- Medicare's clinician data lists 1 practice location in Alexandria, VA. Call before your visit to confirm the address.
- What is Sundar J. Cook's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Sundar J. Cook accept Medicare assignment?
- Yes. Medicare's clinician data says Sundar J. Cook accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Sundar J. Cook?
- (540) 931-5238, as listed in official Medicare / NPI Registry data.
- What is Sundar J. Cook's NPI number?
- 1881898609. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sundar J. Cook works
Medicare's Facility Affiliation Data lists Sundar J. Cook at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Inova Mount Vernon HospitalAlexandria, VA · Acute Care Hospital · CCN 490122
Practice locations
Addresses where Sundar J. Cook is enrolled with Medicare (CMS data updated 2026-10-02).
- 411 /2 N Washington StAlexandria, VA 22314 (540) 931‑5238
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Alexandria
Clinicians with the same Medicare primary specialty in Alexandria, VA — not a recommendation.
Clinician information
| Credential | PSY |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881898609 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians