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Dr. Mark J. Viron, MD
NPI1467588897PAC ID8527192384
- Medicare services, 2022
- 246
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 309
- Publications
- 11
- MIPS score, 2024
- 66
- Practice address
- 67 Union St, Natick, MA 01760
- Practice phone
- Call (508) 333-7333
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
MetroWest Ultrasound
Imaging Center - Main Location · Natick, Massachusetts
Find Dr. Viron's professional email, personal email and mobile number
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Dr. Mark J. Viron is a psychiatrist in Natick, Massachusetts
Dr. Viron practices at MetroWest Ultrasound in Natick, Massachusetts.
Dr. Viron's NPI, 1467588897, was assigned on February 27, 2007. Dr. Viron graduated from Tulane University School of Medicine in 2006. Dr. Viron holds Massachusetts license 239055.
NPI and contact details
- NPI
- 1467588897NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527192384
- NPI enumeration date
- February 27, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 333-7333
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark J. Viron practices at MetroWest Ultrasound in Natick, Massachusetts
Dr. Viron's primary practice is MetroWest Ultrasound, at 67 Union St, Natick, MA 01760. The practice phone is (508) 333-7333.
- MetroWest Ultrasound67 Union St, Natick, MA 01760Phone(508) 333-7333
Source: Dmand AI Affiliation Data
Dr. Mark J. Viron is affiliated with 2 sites of care and 1 medical group
Dr. Viron's primary practice is MetroWest Ultrasound in Natick, Massachusetts. The medical group on file is Advocates. Dmand AI also links Dr. Viron to 1 more group practice or clinic, named with a free account.
MetroWest UltrasoundPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark J. Viron's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Viron practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MetroWest Ultrasound | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark J. Viron is one of 1,857 psychiatrists in Massachusetts
Psychiatry is Dr. Viron's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Viron is licensed in Massachusetts.
Specialties and state licenses
- Psychiatry, MassachusettsPrimary
Psychiatrists near Dr. Viron
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
1,857psychiatrists in Massachusetts
2psychiatrists in Natick
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark J. Viron billed Medicare for 246 services in 2022
CMS data shows 246 Medicare services from Dr. Viron across 1 procedure code in 2022, for 12 Medicare patients. Medicare paid $42,887 for them. Every service was in an office.
Medicare services, 2022246
Medicare patients12
Paid by Medicare$42,887
Procedure codes1
Dr. Viron's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Tests and treatments
- 2021: 02022: 246
- Office and hospital visits
- 2021: 1042022: 0100%
Dr. Viron compared with the Massachusetts median for psychiatrists, 2022
- Dr. Viron
- Massachusetts median
- Medicare services
- 246vs 17243% above
- Medicare patients
- 12vs 4271% below
- Part D claims
- 212vs 922.3 times
Medians across 2,056 psychiatrists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Viron's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Viron and other psychiatrists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark J. Viron treated 12 Medicare patients in 2024, average age 49
CMS counts 12 Medicare patients who saw Dr. Viron in 2024. 75% of them have anxiety, and 75% have mood disorders. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Viron's median patient age at 55, with 40% women.
Medicare patients, 202412
Average age49
Average risk score0.89
Chronic conditions among Dr. Viron's Medicare patients, 2024
- Anxiety75%
- Mood disorders75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Viron's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark J. Viron wrote 309 Medicare Part D claims in 2024
In 2024, Dr. Viron wrote 309 Medicare Part D claims for 19 patients. 97% of them were for generic drugs. CMS names the drug for 212 of them, across 11 drugs with 11 or more claims each, at $10,299 in total drug cost. In 2023, CMS named 291 claims across 17 drugs.
Part D claims, 2024309
Drugs named by CMS11
Total drug cost$10,299
Part D patients19
Dr. Viron's Part D claims by kind of drug, 2024
- Generic301 claims97%
- Brand-name and other8 claims3%
Dr. Viron's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2912024: 21227%
Drugs named by CMS: 11 in 2024, 17 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Mark J. Viron scored 66 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 66 out of 100 for Dr. Viron for performance year 2024, reported as part of a group. Dr. Viron accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Viron as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Viron's MIPS scores, performance year 2024
- 66of 100Final score
- 68of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
- 81of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Mark J. Viron has 11 publications on record
Dmand AI links 11 papers to Dr. Viron, published from 2013 to 2024. The most frequent topics are Mental Disorders, Health Services Needs and Demand and Schizophrenia. Dr. Viron has published most often in Harv Rev Psychiatry. Dr. Viron's most frequent co-authors are Oliver Freudenreich, MD, Derri Shtasel, MD and Travis P. Baggett, MD.
Papers11
Years published2013 to 2024
Dr. Viron's papers by year, 2013 to 2024
Topics Dr. Viron writes about most
- Mental Disorders
- Health Services Needs and Demand
- Schizophrenia
- Healthcare Disparities
- Cardiovascular Diseases
- Community Mental Health Services
- Comorbidity
- COVID-19
Dr. Viron's most frequent co-authors
- Oliver Freudenreich, MD4 shared papers
- Derri Shtasel, MD2 shared papers
- Travis P. Baggett, MD1 shared paper
Recent publications by Dr. Viron
J Clin Psychiatry
BetacoronavirusCoronavirus InfectionsCOVID-19
Bipolar DisorderCardiovascular DiseasesDepressive Disorder, Major
Asian J Psychiatr
Community Mental Health CentersCommunity Mental Health ServicesHealthcare Disparities
Community Ment Health J
ComorbidityHalfway HousesHealth Services
See who Dr. Viron researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Viron works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark J. Viron graduated from Tulane University School of Medicine
Dr. Viron graduated from Tulane University School of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark J. Viron's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark J. Viron
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mark J. Viron's NPI number?
Dr. Mark J. Viron's NPI number is 1467588897. It was assigned on February 27, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark J. Viron?
Dr. Mark J. Viron is a psychiatrist in Natick, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Mark J. Viron practice?
Dr. Viron practices at 67 Union St, Natick, MA 01760. Dr. Viron's primary practice is MetroWest Ultrasound in Natick, Massachusetts. Dmand AI also links Dr. Viron to 1 group practice or clinic.
What is Dr. Mark J. Viron's office phone number?
The practice phone on file for Dr. Viron is (508) 333-7333.
What is Dr. Mark J. Viron's medical license number?
Dr. Viron holds Massachusetts license 239055.
What medical group is Dr. Mark J. Viron part of?
Dr. Viron is linked to Advocates.
Does Dr. Mark J. Viron accept Medicare?
Yes. CMS data shows Dr. Viron billed Medicare for 246 services in 2022, and Dr. Viron accepts Medicare assignment.
Does Dr. Mark J. Viron offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Viron as offering telehealth services.
What is Dr. Mark J. Viron's MIPS score?
Dr. Viron's MIPS final score for performance year 2024 is 66 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mark J. Viron see?
CMS counts 12 Medicare patients who saw Dr. Viron in 2024, with an average age of 49.
Show 6 more questionsShow fewer questions
What services does Dr. Mark J. Viron bill to Medicare?
In 2022, Dr. Viron's most billed Medicare services were psychiatric service (90868).
Where did Dr. Mark J. Viron go to medical school?
Dr. Viron graduated from Tulane University School of Medicine in 2006.
What drugs does Dr. Mark J. Viron prescribe most?
In 2024 Medicare Part D data, Dr. Viron's most prescribed drugs by claims were Sertraline HCl, Divalproex Sodium ER and Clonazepam.
How long has Dr. Mark J. Viron been practicing?
Dr. Viron graduated from medical school in 2006, 20 years ago.
Does Dr. Mark J. Viron do research?
Dmand AI links 11 publications to Dr. Viron, published from 2013 to 2024.
Who does Dr. Mark J. Viron publish with?
Dr. Viron's most frequent co-authors are Oliver Freudenreich, MD (4 shared papers), Derri Shtasel, MD (2 shared papers) and Travis P. Baggett, MD (1 shared paper).
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