Tadeo A. Diaz Balderrama, MD
Cardiovascular Disease Physician · Fond Du Lac, WI
Tadeo A. Diaz Balderrama, MD is a cardiovascular disease physician with a practice address in Fond Du Lac, Wisconsin, and NPI 1437458817, issued on Mar 24, 2011. Check the license (Wisconsin 59901, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Tadeo A. Diaz Balderrama
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 59901 WI
Self-reported in NPPES; status is on the state search - Practice location
- 420 E Division St, Fond Du Lac, WI 54935
- Phone
- (920) 926-8230
- Enumerated
- Mar 24, 2011
- Record last updated
- Dec 30, 2024
- Fax
- (920) 926-8997
- Medicaid ID
- 1437458817 WI
- Medicare enrollment
- Enrolled (PECOS I20141212000504); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 449 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.
- Elizabeth Berenz, FNP-BCFamily Nurse Practitioner1619386885
- Melissa Berggren, PA-CPhysician Assistant1639377617
- Louann Biddick, NPNurse Practitioner1770566721
- Jennifer Bissell, MDFamily Medicine Physician1316146962
- Tiffany Boelk, APNPNurse Practitioner1700459690
- David Bowman, M.D.Cardiovascular Disease Physician1962492397
Verify Tadeo A. Diaz Balderrama in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 59901Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average cardiovascular disease physician in 2024
5,130 Medicare Part D claims for 793 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Metoprolol Succinate585 claims
- Losartan Potassium488 claims
- Atorvastatin Calcium407 claims
- Furosemide388 claims
- Spironolactone333 claims
- Rosuvastatin Calcium277 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: $15,010.01
18 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 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.
Bills Medicare through 2 group practices
- Agnesian Healthcare IncFond Du Lac, WI
- Dean Health Systems IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tadeo A. Diaz Balderrama among 449 cardiovascular disease physician records in Wisconsin
Tadeo A. Diaz Balderrama, MD is one of 449 cardiovascular disease physician records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 72% of them.
- NPI issued2011 · 72% of these records are older, 27% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2011 · median 2001 among the 279 with a school on file
- Record last updated2024 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Wisconsin
There are 449 cardiovascular disease physician records in Wisconsin.
All 449 in Wisconsin → Every provider in Fond Du Lac → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- David Bowman, M.D.Fond Du Lac, WI 549351962492397
- Agei Enoh, MDAppleton, WI 549151518275718
- Kenneth Geller, MDAppleton, WI 549151356335350
- Fredric Hildebrand, MDAppleton, WI 549151992790471
- Patrick Obrien, MDAppleton, WI 549151265427496
- Carrie Chapman, M.D.Appleton, WI 549131396703732
- Glenn Huth, MDAppleton, WI 549131386696987
- Patrick Mannebach, MDAppleton, WI 549131801971221
Common questions
What is Tadeo A. Diaz Balderrama, MD's NPI number?
Tadeo A. Diaz Balderrama, MD's National Provider Identifier (NPI) is 1437458817, issued on Mar 24, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Tadeo A. Diaz Balderrama, MD located?
The NPPES record lists a practice address at 420 E Division St, Fond Du Lac, WI, 54935. Phone: (920) 926-8230. Providers update this record themselves, so call before visiting.
How can I verify Tadeo A. Diaz Balderrama, MD's license?
NPPES lists Wisconsin license number 59901, 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 Tadeo A. Diaz Balderrama, MD prescribe under Medicare Part D?
In 2024, Tadeo A. Diaz Balderrama, MD had 5,130 Medicare Part D claims for 793 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.