Quick answers
- Where does Patrick R. Hattan see patients?
- Medicare's clinician data lists 1 practice location in Concord, NH. Call before your visit to confirm the address.
- What is Patrick R. Hattan's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Patrick R. Hattan accept Medicare assignment?
- Yes. Medicare's clinician data says Patrick R. Hattan 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 Patrick R. Hattan?
- (603) 271-5300, as listed in official Medicare / NPI Registry data.
- What is Patrick R. Hattan's NPI number?
- 1689930760. 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 Patrick R. Hattan is enrolled with Medicare (CMS data updated 2026-10-02).
- 36 Clinton StConcord, NH 03301 (603) 271‑5300
Group practices
Medicare enrollment lists Patrick R. Hattan as a member of this group (CMS data updated 2026-10-02).
- State of New Hampshire74 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Concord
Clinicians with the same Medicare primary specialty in Concord, NH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Geisel School Of Medicine At Dartmouth |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689930760 |
| 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