John McGowan Shimer, DMIN

  • Burlington, MA
  • Psychologist
NPI1356499024PAC ID2163477001
Medicare patients, 2024
18
Hospital affiliations
1
State license
1
Year NPI issued
2007
Practice address
41 & 45 Mall Road, Burlington, MA 01803
Practice phone
Call (781) 744-5100
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Lahey Clinic

Hospital · Burlington, Massachusetts

Find John Shimer's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

John McGowan Shimer is a psychologist in Burlington, Massachusetts

John Shimer practices at Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health.

John Shimer's NPI, 1356499024, was assigned on January 8, 2007. John Shimer holds Massachusetts license 3804.

NPI and contact details
Medicare PAC ID
2163477001
NPI enumeration date
January 8, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(781) 744-5100
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
71
Medical school graduation
1981

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

John McGowan Shimer practices at Lahey Clinic in Burlington, Massachusetts

John Shimer's primary practice is Lahey Clinic, at 41 & 45 Mall Road, Burlington, MA 01803 in Middlesex County. The practice phone is (781) 744-5100.

  • Lahey Clinic
    41 & 45 Mall Road, Burlington, MA 01803 · Middlesex CountyPhone(781) 744-5100

Source: Dmand AI Affiliation Data

John McGowan Shimer is affiliated with 1 site of care

John Shimer's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health.

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

Dmand AI tracks the EHR system at John McGowan Shimer's practice

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

EHR by site
SiteEHR vendor and product
Lahey ClinicAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where John Shimer practices

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.

John McGowan Shimer is one of 605 psychologists in Massachusetts

Psychologist is John Shimer's primary specialty in the NPI Registry, under taxonomy code 103T00000X. John Shimer is licensed in Massachusetts.

Specialties and state licenses

  • Psychologist, MassachusettsPrimaryLicense 3804 · taxonomy 103T00000X

Psychologists near John Shimer

Counts of psychologists 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

John McGowan Shimer treated 18 Medicare patients in 2024, average age 70

CMS counts 18 Medicare patients who saw John Shimer in 2024. The largest group is 85 and over, with 0 patients. 75% of them have depression, and 75% have high cholesterol. Their average risk score is 0.83, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts John Shimer's median patient age at 57, with 33% women.

Medicare patients, 202418
Average age70
Average risk score0.83

John Shimer's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among John Shimer's Medicare patients, 2024

  1. Depression75%
  2. High cholesterol75%
  3. Mood disorders75%
  4. Anxiety67%

Share of Medicare patients with each condition. A patient can have several.

John Shimer's patients across all payers

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

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women33%
  • Men67%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How John McGowan Shimer takes part in Medicare

John Shimer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Sources for John McGowan Shimer'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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 John McGowan Shimer

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

What is John McGowan Shimer's NPI number?

John McGowan Shimer's NPI number is 1356499024. It was assigned on January 8, 2007, and it is active in the NPI Registry.

What does John McGowan Shimer specialize in?

John McGowan Shimer is a psychologist in Burlington, Massachusetts. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).

Where does John McGowan Shimer practice?

John Shimer practices at 41 & 45 Mall Road, Burlington, MA 01803. John Shimer's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health.

What is John McGowan Shimer's office phone number?

The practice phone on file for John Shimer is (781) 744-5100.

What is John McGowan Shimer's medical license number?

John Shimer holds Massachusetts license 3804.

Which hospitals is John McGowan Shimer affiliated with?

John Shimer practices at Lahey Clinic in Burlington, Massachusetts.

Does John McGowan Shimer accept Medicare?

Yes. CMS lists John Shimer as accepting Medicare assignment.

How many Medicare patients does John McGowan Shimer see?

CMS counts 18 Medicare patients who saw John Shimer in 2024, with an average age of 70.

How long has John McGowan Shimer been practicing?

John Shimer graduated from medical school in 1981, 45 years ago.

Selling to psychologist practices?

See psychologists in Massachusetts by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)