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John Ernest Ludwigsen, DDS

  • Sister Bay, WI
  • Dentist
NPI1669540589
Affiliated sites
1
State license
1
Year NPI issued
2006
Practice address
940 South Bayshore Drive, Sister Bay, WI 54234-9309
Practice phone
Call (920) 854-6556
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Timothy D. Tishler, DDS, Ltd.

Physician office · Sister Bay, Wisconsin

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John Ernest Ludwigsen is a dentist in Sister Bay, Wisconsin

John Ludwigsen practices at Timothy D. Tishler, DDS, Ltd. in Sister Bay, Wisconsin.

John Ludwigsen's NPI, 1669540589, was assigned on November 30, 2006. John Ludwigsen holds Wisconsin license 5084015.

NPI and contact details
NPI
1669540589NPI Registry (opens in a new tab)
NPI enumeration date
November 30, 2006
NPI status
Active
Practice phone
(920) 854-6556
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

John Ernest Ludwigsen practices at Timothy D. Tishler, DDS, Ltd. in Sister Bay, Wisconsin

John Ludwigsen's primary practice is Timothy D. Tishler, DDS, Ltd., at 940 South Bayshore Drive, Sister Bay, WI 54234-9309. The practice phone is (920) 854-6556.

  • Timothy D. Tishler, DDS, Ltd.
    940 South Bayshore Drive, Sister Bay, WI 54234-9309Phone(920) 854-6556

Source: Dmand AI Affiliation Data

John Ernest Ludwigsen is affiliated with 1 site of care

John Ludwigsen's primary practice is Timothy D. Tishler, DDS, Ltd. in Sister Bay, Wisconsin.

Timothy D. Tishler, DDS, Ltd.Physician office · Sister Bay, WisconsinPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at John Ernest Ludwigsen's practice

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

EHR by site
SiteEHR vendor and product
Timothy D. Tishler, DDS, Ltd.Available with a free account

Source: Dmand AI Technology Install Data

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John Ernest Ludwigsen is one of 797 dentists in Wisconsin

Dentist is John Ludwigsen's primary specialty in the NPI Registry, under taxonomy code 122300000X. John Ludwigsen is licensed in Wisconsin.

Specialties and state licenses

  • Dentist, WisconsinPrimaryLicense 5084015 · taxonomy 122300000X

Dentists near John Ludwigsen

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

797dentists in Wisconsin

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

Sources for John Ernest Ludwigsen'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 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 John Ernest Ludwigsen

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 Ernest Ludwigsen's NPI number?

John Ernest Ludwigsen's NPI number is 1669540589. It was assigned on November 30, 2006, and it is active in the NPI Registry.

What does John Ernest Ludwigsen specialize in?

John Ernest Ludwigsen is a dentist in Sister Bay, Wisconsin. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).

Where does John Ernest Ludwigsen practice?

John Ludwigsen practices at 940 South Bayshore Drive, Sister Bay, WI 54234-9309. John Ludwigsen's primary practice is Timothy D. Tishler, DDS, Ltd. in Sister Bay, Wisconsin.

What is John Ernest Ludwigsen's office phone number?

The practice phone on file for John Ludwigsen is (920) 854-6556.

What is John Ernest Ludwigsen's medical license number?

John Ludwigsen holds Wisconsin license 5084015.

How long has John Ernest Ludwigsen been practicing?

John Ludwigsen's NPI was assigned in 2006.

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