Physician Profile
Viken R. Matossian, M.D. practices child & adolescent psychiatry in Howell, MI. Viken is a 1987 graduate of Washington University School of Medicine. Viken is also listed as specializing in psychiatry. Medicare claims data shows Viken provided 1,089 services to 273 patients. The services billed most often include psychotherapy, 1 hour, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and psychotherapy with evaluation and management visit, 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
2901 E GRAND RIVER AVE
Howell, MI 48843
Within Child and Adolescent Psychiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Addiction & Substance Use
Anxiety
Anxiety & Compulsions
Attachment and trauma
Behavior
Behavioral Problems
Crisis & Mood
Developmental & Elimination
Developmental & Identity
Dissociation
Eating & Body Image
Eating disorders
Elimination disorders
Mood and personality
Neurological & Tics
Neuropsychiatric
School & Learning
Sleep
Sleep & Routine
Stress and physical symptoms
Substance use
Trauma & Stress
Most searched procedures
Addiction Care
Behavioral Interventions
Behavioral support
Brain stimulation
Crisis Care
Eating & Specialty
Eating disorders
Evaluation and visits
Medication management
Parent Support
School & Advocacy
Screening and testing
Skill Building
Specialty Treatments
Substance use
Talk Therapy
Testing & Assessment
Therapy
Trauma & Specialty
1,089 services · 273 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy, 1 hour | Treatment | 90837 |
538 |
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
94 |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
25 |
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
20 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
392 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
20 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Viken R. Matossian is a child & adolescent psychiatry in Howell, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Viken R. Matossian is listed at 2901 E Grand River Ave, Howell, MI 48843. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (517) 548-1537. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Viken R. Matossian's National Provider Identifier is 1598896367. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Viken R. Matossian attended Washington University School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
Viken R. Matossian has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Viken R. Matossian provides treatments such as psychotherapy, 1 hour and psychotherapy with evaluation and management visit, 30 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Viken R. Matossian. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.