Quick answers
- Where does Viken R. Matossian see patients?
- Medicare's clinician data lists 1 practice location in Howell, MI. Call before your visit to confirm the address.
- What is Viken R. Matossian's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Viken R. Matossian accept Medicare assignment?
- Yes. Medicare's clinician data says Viken R. Matossian 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.
- Does Viken R. Matossian offer telehealth?
- Medicare's clinician data says Viken R. Matossian offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Viken R. Matossian?
- (517) 548-1537, as listed in official Medicare / NPI Registry data.
- What is Viken R. Matossian's NPI number?
- 1598896367. 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 Viken R. Matossian is enrolled with Medicare (CMS data updated 2026-10-02).
- 2901 E Grand River AveHowell, MI 48843 (517) 548‑1537
Group practices
Medicare enrollment lists Viken R. Matossian as a member of this group (CMS data updated 2026-10-02).
- Michigan Analytic Consultants Outpatient Clinic, PC2 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Howell
Clinicians with the same Medicare primary specialty in Howell, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1598896367 |
| 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