David Lee Haller, MD
Gastroenterology Physician · Fond Du Lac, WI
David Lee Haller, MD is a gastroenterology physician with a practice address in Fond Du Lac, Wisconsin, and NPI 1548214463, issued on May 22, 2006. Check the license (Wisconsin 43137-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David Lee Haller
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 43137-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 420 E Division St, Fond Du Lac, WI 54935
- Phone
- (920) 926-8570
- Enumerated
- May 22, 2006
- Record last updated
- Dec 2, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (920) 926-8923
- Medicaid ID
- 34061900 WI
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 340 in Wisconsin → Look up another NPI →
Also registered at 420 E Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Lee Haller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 43137-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% more Medicare Part D claims than the average gastroenterology physician in 2024
1,542 Medicare Part D claims for 361 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Pantoprazole Sodium408 claims
- Sucralfate181 claims
- Omeprazole150 claims
- Lansoprazole108 claims
- Ondansetron Hcl90 claims
- Cholestyramine84 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.
Industry payments in 2024: $1,459.97
17 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
David Lee Haller among 340 gastroenterology physician records in Wisconsin
David Lee Haller, MD is one of 340 gastroenterology physician records with a practice address in Wisconsin. 83% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 44% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2020 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Wisconsin
There are 340 gastroenterology physician records in Wisconsin.
All 340 in Wisconsin → Every provider in Fond Du Lac → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jerry Evans, MDFond Du Lac, WI 549351376534941
- Richard Rosenberg, MDFond Du Lac, WI 549351134205495
- Nathan Slinde, MDFond Du Lac, WI 549351174571806
- Sankalp DwivediMenasha, WI 549521902215759
- Sudeep Sodhi, MDMenasha, WI 549521679567606
- Timothy Edison, MDNeenah, WI 549561861425902
- Timothy Roarty, MDAppleton, WI 549111437226529
- Suhasini Turlapati, MDAppleton, WI 549111992805832
Common questions
What is David Lee Haller, MD's NPI number?
David Lee Haller, MD's National Provider Identifier (NPI) is 1548214463, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Lee Haller, MD located?
The NPPES record lists a practice address at 420 E Division St, Fond Du Lac, WI, 54935. Phone: (920) 926-8570. Providers update this record themselves, so call before visiting.
How can I verify David Lee Haller, MD's license?
NPPES lists Wisconsin license number 43137-020, 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 David Lee Haller, MD prescribe under Medicare Part D?
In 2024, David Lee Haller, MD had 1,542 Medicare Part D claims for 361 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.