Quick answers
- Where does David P. Cook see patients?
- Medicare's clinician data lists 2 practice locations, including Crystal Lake, IL. Call before your visit to confirm the address.
- What is David P. Cook's specialty?
- Medicare lists Marriage and Family Therapist as the primary specialty.
- Does David P. Cook accept Medicare assignment?
- Medicare's clinician data says David P. Cook may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is David P. Cook's NPI number?
- 1831249820. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where David P. Cook is enrolled with Medicare (CMS data updated 2026-10-02).
- 600 Dakota St, Suite BCrystal Lake, IL 60012
- 741 S McHenry AveCrystal Lake, IL 60014
Specialties
Find other clinicians: Marriage and Family Therapist, Illinois →
Other marriage and family therapists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Graduation year | 1987 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1831249820 |
| 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
- 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