Oanh Constance Thai, MD
Family Medicine Physician · Hudson, WI
Oanh Constance Thai, MD is a family medicine physician with a practice address in Hudson, Wisconsin, and NPI 1154302438, issued on Nov 14, 2005. Check the license (Wisconsin 52506, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Oanh Constance Thai
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 52506 WI
4301084852 MI
Self-reported in NPPES; status is on the state search - Practice location
- 403 Stageline RD, Hudson, WI 54016
- Phone
- (715) 531-6800
- Enumerated
- Nov 14, 2005
- Record last updated
- Oct 30, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (715) 531-6801
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 403 Stageline RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Oanh Constance Thai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 52506Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
132 Medicare Part D claims for 15 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amlodipine Besylate11 claims
- Atorvastatin Calcium11 claims
- Tamsulosin Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Oanh Constance Thai among 3,765 family medicine physician records in Wisconsin
Oanh Constance Thai, 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. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2013 · 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).
31 family medicine physician records list a practice address in Hudson
They are 31 of the 653 NPPES records with a practice address in Hudson, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Hudson → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Steven Adorn, MDHudson, WI 540161679543979
- Teresa Biros, MDHudson, WI 540161972577898
- Jeffrey Cavaness, MDHudson, WI 540161386634889
- Dana Dahl, MDHudson, WI 540161164494217
- Kevin Helmen, MDHudson, WI 540161790758191
- Steven Johnson, DOHudson, WI 540161407848658
- George Leyda, MDHudson, WI 540161932173879
- Vicki Mayer, MDHudson, WI 540161245202340
Common questions
What is Oanh Constance Thai, MD's NPI number?
Oanh Constance Thai, MD's National Provider Identifier (NPI) is 1154302438, issued on Nov 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Oanh Constance Thai, MD located?
The NPPES record lists a practice address at 403 Stageline RD, Hudson, WI, 54016. Phone: (715) 531-6800. Providers update this record themselves, so call before visiting.
How can I verify Oanh Constance Thai, MD's license?
NPPES lists Wisconsin license number 52506, 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.
How much does Oanh Constance Thai, MD prescribe under Medicare Part D?
In 2024, Oanh Constance Thai, MD had 132 Medicare Part D claims for 15 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.