John A. Guerrieri, DDS

  • Chicago, IL
  • General practice dentistry
NPI1225247000
Part D claims, 2024
115
Affiliated sites
1
State license
1
Year NPI issued
2007
Practice locations
2
Practice address
421 W Irving Park Rd, Itasca, IL 60143-2039
Practice phone
Call (847) 250-5394
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

John A. Guerrieri, DDS

Physician office · Itasca, Illinois

Find John Guerrieri'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 A. Guerrieri is a general practice dentistry in Chicago, Illinois

John Guerrieri practices at John A. Guerrieri, DDS in Itasca, Illinois.

John Guerrieri's NPI, 1225247000, was assigned on May 21, 2007. John Guerrieri holds Illinois license 19-021812.

NPI and contact details
NPI enumeration date
May 21, 2007
NPI status
Active
Practice phone
(847) 250-5394
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male

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

John A. Guerrieri practices in Itasca and Chicago

John Guerrieri's primary practice is John A. Guerrieri, DDS, at 421 W Irving Park Rd, Itasca, IL 60143-2039. The practice phone is (847) 250-5394. The NPI Registry lists John Guerrieri's practice address as 675 N St Clair St, Chicago, IL 60611.

  • John A. Guerrieri, DDSPrimary
    421 W Irving Park Rd, Itasca, IL 60143-2039Phone(847) 250-5394
  • NPI Registry address
    675 N St Clair St, Chicago, IL 60611 · Cook County

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

John A. Guerrieri is affiliated with 1 site of care

John Guerrieri's primary practice is John A. Guerrieri, DDS in Itasca, Illinois.

John A. Guerrieri, DDSPhysician office · Itasca, IllinoisPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at John A. Guerrieri's practice

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

EHR by site
SiteEHR vendor and product
John A. Guerrieri, DDSAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where John Guerrieri practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

John A. Guerrieri is one of 2,353 general practice dentistrys in Illinois

General practice is John Guerrieri's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. John Guerrieri is licensed in Illinois.

Specialties and state licenses

  • General practice dentistry, IllinoisPrimaryLicense 19-021812 · taxonomy 1223G0001X

General practice dentistrys near John Guerrieri

Counts of general practice dentistrys 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 A. Guerrieri's patients have a median age of 22

Across all payers, Dmand AI patient panel data puts John Guerrieri's median patient age at 22, with 60% women.

John Guerrieri's patients across all payers

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

Patient panel by age, all payers

Median age 22

Patient panel by sex, all payers

  • Women60%
  • Men40%

Source: Dmand AI Patient Panel Data

John A. Guerrieri wrote 115 Medicare Part D claims in 2024

In 2024, John Guerrieri wrote 115 Medicare Part D claims for 61 patients. 93% of them were for generic drugs.

Part D claims, 2024115
Part D patients61

John Guerrieri's Part D claims by kind of drug, 2024

  • Generic107 claims93%
  • Brand-name and other8 claims7%

Drug classes CMS tracks in John Guerrieri's Part D claims, 2024

  • Antibiotics62%71 of 115 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

For MedTech and pharma teams

Find general practice dentistrys like John Guerrieri by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Sources for John A. Guerrieri'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (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 A. Guerrieri

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 A. Guerrieri's NPI number?

John A. Guerrieri's NPI number is 1225247000. It was assigned on May 21, 2007, and it is active in the NPI Registry.

What does John A. Guerrieri specialize in?

John A. Guerrieri is a general practice dentistry in Chicago, Illinois. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).

Where does John A. Guerrieri practice?

John Guerrieri practices at 421 W Irving Park Rd, Itasca, IL 60143-2039. John Guerrieri also practices at 675 N St Clair St, Chicago, IL 60611. John Guerrieri's primary practice is John A. Guerrieri, DDS in Itasca, Illinois.

What is John A. Guerrieri's office phone number?

The practice phone on file for John Guerrieri is (847) 250-5394.

What is John A. Guerrieri's medical license number?

John Guerrieri holds Illinois license 19-021812.

How long has John A. Guerrieri been practicing?

John Guerrieri's NPI was assigned in 2007.

Selling to general practice practices?

See general practice dentistrys in Illinois 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)