Gregrey G. Hiltgen, MD
Family Medicine Physician · Wautoma, WI
Gregrey G. Hiltgen, MD is a family medicine physician with a practice address in Wautoma, Wisconsin, and NPI 1437266053, issued on Aug 23, 2006. Check the license (Wisconsin 37445, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Gregrey G. Hiltgen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 37445 WI
Self-reported in NPPES; status is on the state search - Practice location
- 900 E Division St, Wautoma, WI 54982
- Phone
- (920) 787-6900
- Enumerated
- Aug 23, 2006
- Record last updated
- Mar 17, 2025
- Medicaid ID
- 32199000 WI
- Medicare enrollment
- Enrolled (PECOS I20050815000341); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1994
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 900 E Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Aderhold-Crass, PTPhysical Therapist1578969341
- Fozia Alvi, MDFamily Medicine Physician1679581243
- Thomas Chulski, MDFamily Medicine Physician1700870607
- Joel Cler, MDOrthopaedic Surgery Physician1366490583
- David Crowther, MDFamily Medicine Physician1558465633
- Emily Fenton, DPTPhysical Therapist1730852120
Verify Gregrey G. Hiltgen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 37445Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average family medicine physician in 2024
9,580 Medicare Part D claims for 541 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 342 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium372 claims
- Atorvastatin Calcium367 claims
- Lisinopril294 claims
- Amlodipine Besylate277 claims
- Levothyroxine Sodium272 claims
- Losartan Potassium256 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
- Aurora Medical Group, Inc.Wautoma, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregrey G. Hiltgen among 3,765 family medicine physician records in Wisconsin
Gregrey G. Hiltgen, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1994 · median 2007 among the 2,347 with a school on file
- Record last updated2025 · 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).
8 family medicine physician records list a practice address in Wautoma
They are 8 of the 133 NPPES records with a practice address in Wautoma, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Wautoma → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Fozia Alvi, MDWautoma, WI 549821679581243
- Joseph Caron, MDWautoma, WI 549821225109382
- Thomas Chulski, MDWautoma, WI 549821700870607
- David Crowther, MDWautoma, WI 549821558465633
- John Modrzynski, M.D.Wautoma, WI 549821962475434
- Juan Preciado-Riestra, MDWautoma, WI 549821295739225
- Cheston Price, M.D.Wautoma, WI 549821831117852
- Angela Amos, MDWaupaca, WI 549811295363554
Common questions
What is Gregrey G. Hiltgen, MD's NPI number?
Gregrey G. Hiltgen, MD's National Provider Identifier (NPI) is 1437266053, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregrey G. Hiltgen, MD located?
The NPPES record lists a practice address at 900 E Division St, Wautoma, WI, 54982. Phone: (920) 787-6900. Providers update this record themselves, so call before visiting.
How can I verify Gregrey G. Hiltgen, MD's license?
NPPES lists Wisconsin license number 37445, 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 Gregrey G. Hiltgen, MD prescribe under Medicare Part D?
In 2024, Gregrey G. Hiltgen, MD had 9,580 Medicare Part D claims for 541 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.