Log inBook a demoStart free trial
Log inStart free trial

Louis Walter Pattan Sr., DDS

  • East Alton, IL
  • General practice dentistry
NPI1700900776
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2007
Practice address
209 School St, East Alton, IL 62024-1458
Practice phone
Call (618) 254-0185
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Pattan And Engelmann

Dental practice · East Alton, Illinois

See all 2 affiliations

Find Louis Pattan'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

Louis Walter Pattan Sr. is a general practice dentistry in East Alton, Illinois

Louis Pattan practices at Pattan And Engelmann in East Alton, Illinois.

Louis Pattan's NPI, 1700900776, was assigned on March 16, 2007.

NPI and contact details
NPI
1700900776NPI Registry (opens in a new tab)
NPI enumeration date
March 16, 2007
NPI status
Active
Practice phone
(618) 254-0185
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male

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

Louis Walter Pattan Sr. practices at Pattan and Engelmann in East Alton, Illinois

Louis Pattan's primary practice is Pattan and Engelmann, at 209 School St, East Alton, IL 62024-1458. The practice phone is (618) 254-0185.

  • Pattan and Engelmann
    209 School St, East Alton, IL 62024-1458Phone(618) 254-0185

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Louis Walter Pattan Sr. is affiliated with 1 site of care and 1 medical group

Louis Pattan's primary practice is Pattan And Engelmann in East Alton, Illinois. Dmand AI also links Louis Pattan to 1 medical group, named with a free account.

Pattan And EngelmannDental practice · East Alton, IllinoisPrimary
1 medical groupName with a free account
See all 2 affiliations for Louis Pattan

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Louis Walter Pattan Sr.'s practice

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

EHR by site
SiteEHR vendor and product
Pattan And EngelmannAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Louis Pattan 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.

Try for freeBook a meeting

Louis Walter Pattan Sr. is one of 2,353 general practice dentistrys in Illinois

General practice is Louis Pattan's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Louis Pattan has a license on file in Illinois.

Specialties and state licenses

  • General practice dentistry, Illinoistaxonomy 1223G0001X

General practice dentistrys near Louis Pattan

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

2,353general practice dentistrys in Illinois
4general practice dentistrys in East Alton

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

Sources for Louis Walter Pattan Sr.'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors 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 Louis Walter Pattan Sr.

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

What is Louis Walter Pattan Sr.'s NPI number?

Louis Walter Pattan Sr.'s NPI number is 1700900776. It was assigned on March 16, 2007, and it is active in the NPI Registry.

What does Louis Walter Pattan Sr. specialize in?

Louis Walter Pattan Sr. is a general practice dentistry in East Alton, Illinois. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).

Where does Louis Walter Pattan Sr. practice?

Louis Pattan practices at 209 School St, East Alton, IL 62024-1458. Louis Pattan's primary practice is Pattan And Engelmann in East Alton, Illinois. Dmand AI also links Louis Pattan to 1 medical group.

What is Louis Walter Pattan Sr.'s office phone number?

The practice phone on file for Louis Pattan is (618) 254-0185.

How long has Louis Walter Pattan Sr. been practicing?

Louis Pattan'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.

Start free trialBook a demo
  • 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)
Read the Cookie Policy