Michael Stephen Sirois, PA-C

  • Winchester, MA
  • Physician assistant
NPI1528355856
Hospital affiliations
1
Medical group
1
State license
1
Year NPI issued
2011
Practice address
41 Highland Avenue, Winchester, MA 01890
Practice phone
Call (781) 729-9000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Winchester Hospital

Hospital · Winchester, Massachusetts

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Michael Stephen Sirois is a physician assistant in Winchester, Massachusetts

Michael Sirois practices at Winchester Hospital in Winchester, Massachusetts, part of Beth Israel Lahey Health.

Michael Sirois' NPI, 1528355856, was assigned on July 7, 2011. Michael Sirois holds Massachusetts license PA4069.

NPI and contact details
NPI enumeration date
July 7, 2011
NPI status
Active
Practice phone
(781) 729-9000
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Michael Stephen Sirois practices at Winchester Hospital in Winchester, Massachusetts

Michael Sirois' primary practice is Winchester Hospital, at 41 Highland Avenue, Winchester, MA 01890 in Middlesex County. The practice phone is (781) 729-9000.

  • Winchester Hospital
    41 Highland Avenue, Winchester, MA 01890 · Middlesex CountyPhone(781) 729-9000

Source: Dmand AI Affiliation Data

Michael Stephen Sirois is affiliated with 1 site of care and 1 medical group

Michael Sirois' primary practice is Winchester Hospital in Winchester, Massachusetts, part of Beth Israel Lahey Health. The medical group on file is Atrius Health.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Michael Stephen Sirois' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Michael Sirois practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Winchester HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.

Michael Stephen Sirois is one of 3,922 physician assistants in Massachusetts

Physician assistant is Michael Sirois' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael Sirois is licensed in Massachusetts.

Specialties and state licenses

  • Physician assistant, MassachusettsPrimaryLicense PA4069 · taxonomy 363A00000X

Physician assistants near Michael Sirois

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Michael Stephen Sirois' patients have a median age of 8

Across all payers, Dmand AI patient panel data puts Michael Sirois' median patient age at 8, with 12% women.

Michael Sirois' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 8

Patient panel by sex, all payers

  • Women12%
  • Men88%

Source: Dmand AI Patient Panel Data

Sources for Michael Stephen Sirois's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Michael Stephen Sirois

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Michael Stephen Sirois' NPI number?

Michael Stephen Sirois' NPI number is 1528355856. It was assigned on July 7, 2011, and it is active in the NPI Registry.

What does Michael Stephen Sirois specialize in?

Michael Stephen Sirois is a physician assistant in Winchester, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Michael Stephen Sirois practice?

Michael Sirois practices at 41 Highland Avenue, Winchester, MA 01890. Michael Sirois' primary practice is Winchester Hospital in Winchester, Massachusetts, part of Beth Israel Lahey Health.

What is Michael Stephen Sirois' office phone number?

The practice phone on file for Michael Sirois is (781) 729-9000.

What is Michael Stephen Sirois' medical license number?

Michael Sirois holds Massachusetts license PA4069.

Which hospitals is Michael Stephen Sirois affiliated with?

Michael Sirois practices at Winchester Hospital in Winchester, Massachusetts.

What medical group is Michael Stephen Sirois part of?

Michael Sirois is linked to Atrius Health.

How long has Michael Stephen Sirois been practicing?

Michael Sirois' NPI was assigned in 2011.

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