Valerie Siqueira Duhn, MD
Nephrology Physician · Kalamazoo, MI
Valerie Siqueira Duhn, MD is a nephrology physician with a practice address in Kalamazoo, Michigan, and NPI 1023296050, issued on Jan 31, 2008. Check the license (Michigan 4301096045, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Valerie Siqueira Duhn
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 4301096045 MI
059147 GA
01066395A IN
Self-reported in NPPES; status is on the state search - Practice location
- 521 E. Michigan Ave, Ste 201, Kalamazoo, MI 49007
- Phone
- (269) 349-6759
- Enumerated
- Jan 31, 2008
- Record last updated
- Nov 9, 2023
- Fax
- (369) 349-7450
- Medicaid ID
- 200965400 IN
- Medicare enrollment
- Enrolled (PECOS I20100916000230); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 376 in Michigan → Look up another NPI →
Verify Valerie Siqueira Duhn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301096045Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average nephrology physician in 2024
1,782 Medicare Part D claims for 289 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Amlodipine Besylate155 claims
- Sevelamer Carbonate134 claims
- Torsemide85 claims
- Carvedilol84 claims
- Losartan Potassium78 claims
- Hydralazine Hcl73 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: $25.03
1 payment: food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,230 providers of this specialty with any payment received $3,091.37 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 one group practice
- Paragon Health PCKalamazoo, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Valerie Siqueira Duhn among 376 nephrology physician records in Michigan
Valerie Siqueira Duhn, MD is one of 376 nephrology physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 64% of them.
- NPI issued2008 · 64% of these records are older, 29% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2000 · median 2001 among the 279 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Michigan
There are 376 nephrology physician records in Michigan.
All 376 in Michigan → Every provider in Kalamazoo → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Ahmed Aqeel, MDKalamazoo, MI 490071922057546
- Melissa Baker, DOKalamazoo, MI 490071548829898
- Aash Bhatt, M.D.Kalamazoo, MI 490071154524338
- Sanjay Dalal, MDKalamazoo, MI 490071992769699
- Richard Kammenzind, M.D.Kalamazoo, MI 490071760426266
- Lauren Lamie, DOKalamazoo, MI 490071326494014
- Peter Manring, MDKalamazoo, MI 490071396864401
- Than Oo, MDKalamazoo, MI 490071184673709
Common questions
What is Valerie Siqueira Duhn, MD's NPI number?
Valerie Siqueira Duhn, MD's National Provider Identifier (NPI) is 1023296050, issued on Jan 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Valerie Siqueira Duhn, MD located?
The NPPES record lists a practice address at 521 E. Michigan Ave, Ste 201, Kalamazoo, MI, 49007. Phone: (269) 349-6759. Providers update this record themselves, so call before visiting.
How can I verify Valerie Siqueira Duhn, MD's license?
NPPES lists Michigan license number 4301096045, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Valerie Siqueira Duhn, MD prescribe under Medicare Part D?
In 2024, Valerie Siqueira Duhn, MD had 1,782 Medicare Part D claims for 289 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.