NPPES file of Aug 9, 2026

Karen A. Hulbert, MD

Family Medicine Physician · Princeton, WI

Karen A. Hulbert, MD is a family medicine physician with a practice address in Princeton, Wisconsin, and NPI 1679524409, issued on May 15, 2006. Check the license (Wisconsin 45973, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679524409
Name
Karen A. Hulbert
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
45973 WI
Self-reported in NPPES; status is on the state search
Practice location
502 W Water St, Princeton, WI 54968
Phone
(920) 295-6432
Enumerated
May 15, 2006
Record last updated
Dec 15, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(920) 295-4833
Medicaid ID
1679524409 WI
Medicare enrollment
Enrolled (PECOS I20090814000371); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Karen A. Hulbert in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 45973
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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87% more Medicare Part D claims than the average family medicine physician in 2024

6,616 Medicare Part D claims for 537 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 249 claims were for opioids.

  1. Karen Hulbert6,616
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium345 claims
  2. Omeprazole248 claims
  3. Losartan Potassium218 claims
  4. Lisinopril211 claims
  5. Amlodipine Besylate198 claims
  6. Rosuvastatin Calcium158 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.

Bills Medicare through one group practice

  1. Thedacare, IncorporatedPrinceton, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

1 family medicine physician records list a practice address in Princeton

They are 1 of the 14 NPPES records with a practice address in Princeton, and 3,765 family medicine physician records in Wisconsin.

Other family medicine physician records in Wisconsin

  1. Ashraf AbbasAppleton, WI1558723775
  2. Ghudran Abdulal, MDNew Berlin, WI1083622666
  3. Yusuf Abdullah, DOSun Prairie, WI1437788478
  4. Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
  5. Emily Abeyta, MDWaukesha, WI1386905107
  6. Jeanette Abraham, MDWeston, WI1205895810
  7. Sarada Abraham, M.D.Oconomowoc, WI1962851972
  8. Kirsten Abramson, MDMadison, WI1417909979
  9. Alexandra Adams, MD PHDMadison, WI1184689291
  10. David AdamsMadison, WI1992986897

Common questions

What is Karen A. Hulbert, MD's NPI number?

Karen A. Hulbert, MD's National Provider Identifier (NPI) is 1679524409, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen A. Hulbert, MD located?

The NPPES record lists a practice address at 502 W Water St, Princeton, WI, 54968. Phone: (920) 295-6432. Providers update this record themselves, so call before visiting.

How can I verify Karen A. Hulbert, MD's license?

NPPES lists Wisconsin license number 45973, 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 Karen A. Hulbert, MD prescribe under Medicare Part D?

In 2024, Karen A. Hulbert, MD had 6,616 Medicare Part D claims for 537 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.