NPPES file of Aug 9, 2026

Viken Raffi Matossian, M.D.

Child & Adolescent Psychiatry Physician · Howell, MI

Viken Raffi Matossian, M.D. is a child & adolescent psychiatry physician with a practice address in Howell, Michigan, and NPI 1598896367, issued on Mar 7, 2007. Check the license (Michigan 4301061979, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598896367
Name
Viken Raffi Matossian
Credential
M.D.
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License number
4301061979 MI
Self-reported in NPPES; status is on the state search
Practice location
2901 E Grand River Ave, Howell, MI 48843
Phone
(517) 548-1537
Enumerated
Mar 7, 2007
Record last updated
Apr 14, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(517) 548-9399
Medicare enrollment
Enrolled (PECOS I20110420000664); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 1987
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2901 E Grand River Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jasmine Banafshe, LPCMental Health Counselor1972002723
  2. Stephen Bon, LMSWClinical Social Worker1700891587
  3. Colleen Chapman, M.ED, LLP CACAddiction (Substance Use Disorder) Counselor1912065152
  4. Heidi Deininger, PHD, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1629943162
  5. Beth Gasperich, LMSWClinical Social Worker1841246741
  6. Keith Geiselman, M.DIV., LLMSWClinical Social Worker1396202305

Verify Viken Raffi Matossian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301061979
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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6.8 times the Medicare Part D claims of the average child & adolescent psychiatry physician in 2024

3,452 Medicare Part D claims for 262 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 12 claims were for opioids.

  1. Viken Matossian3,452
  2. Specialty average504

Most prescribed

  1. Bupropion Xl264 claims
  2. Quetiapine Fumarate234 claims
  3. Duloxetine Hcl233 claims
  4. Lamotrigine180 claims
  5. Clonazepam142 claims
  6. Methylphenidate Hcl141 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,006.34

76 payments; by number, the most common kind was food and beverage; the largest payer was Supernus Pharmaceuticals, Inc. The 1,578 providers of this specialty with any payment received $1,427.96 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Viken Matossian$1,006.34
  2. Specialty average$1,427.96

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Michigan Analytic Consultants Outpatient Clinic,pcHowell, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Child & Adolescent Psychiatry Physician providers in Michigan

There are 149 child & adolescent psychiatry physician records in Michigan.

Other child & adolescent psychiatry physician records in Michigan

  1. Kyle AhonenGrand Rapids, MI1326579426
  2. Asim Al-Omari, MDAnn Arbor, MI1700446408
  3. Alauldeen Ali, M.D.Port Huron, MI1932596046
  4. Birgit Amann, M.D.Troy, MI1386663789
  5. Phillip Archer, M.D.Southfield, MI1487780672
  6. Cecilia Astorga-Switzer, M.D.Detroit, MI1659395044
  7. David Averbach, M.D., M.S.I.A.Commerce Township, MI1093907834
  8. Basivi Baddigam, MDClinton Twp, MI1386645299
  9. Kristine Baker, M.D.Traverse City, MI1235375775
  10. Abishek BalaSaginaw, MI1942722426

Common questions

What is Viken Raffi Matossian, M.D.'s NPI number?

Viken Raffi Matossian, M.D.'s National Provider Identifier (NPI) is 1598896367, issued on Mar 7, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Viken Raffi Matossian, M.D. located?

The NPPES record lists a practice address at 2901 E Grand River Ave, Howell, MI, 48843. Phone: (517) 548-1537. Providers update this record themselves, so call before visiting.

How can I verify Viken Raffi Matossian, M.D.'s license?

NPPES lists Michigan license number 4301061979, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Viken Raffi Matossian, M.D. prescribe under Medicare Part D?

In 2024, Viken Raffi Matossian, M.D. had 3,452 Medicare Part D claims for 262 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.