Randy T. Theiler, MD
Family Medicine Physician · Chilton, WI
Randy T. Theiler, MD is a family medicine physician with a practice address in Chilton, Wisconsin, and NPI 1659360808, issued on Oct 20, 2005. Check the license (Wisconsin 21872, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Randy T. Theiler
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 21872 WI
Self-reported in NPPES; status is on the state search - Practice location
- 451 E Brooklyn St, Chilton, WI 53014
- Phone
- (920) 849-9375
- Enumerated
- Oct 20, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 30278000 WI
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 451 E Brooklyn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Debrah Klapperich, BC-HISHearing Instrument Specialist1780720581
Verify Randy T. Theiler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 21872Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Randy T. Theiler among 3,765 family medicine physician records in Wisconsin
Randy T. Theiler, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 family medicine physician records list a practice address in Chilton
They are 6 of the 88 NPPES records with a practice address in Chilton, and 3,765 family medicine physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,765 in Wisconsin → Every provider in Chilton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Andrew Beine, MDChilton, WI 530141194256040
- Christine Bockhorn, MDChilton, WI 530141518951425
- Chee Nou Lee, M.D.Chilton, WI 530141255865697
- Gene Tipler, MDChilton, WI 530141235123233
- Scott Wichman, DOChilton, WI 530141194922393
- Brian Demaster, MDCedar Grove, WI 530131043325293
- John Reiskytl, MDCleveland, WI 530151841210150
- Daniel Duffy, MDCedarburg, WI 530121235191511
Common questions
What is Randy T. Theiler, MD's NPI number?
Randy T. Theiler, MD's National Provider Identifier (NPI) is 1659360808, issued on Oct 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Randy T. Theiler, MD located?
The NPPES record lists a practice address at 451 E Brooklyn St, Chilton, WI, 53014. Phone: (920) 849-9375. Providers update this record themselves, so call before visiting.
How can I verify Randy T. Theiler, MD's license?
NPPES lists Wisconsin license number 21872, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.