NPPES file of Aug 9, 2026

Kevin Donald Muelken, M.D.

Nephrology Physician · Fort Collins, CO

Kevin Donald Muelken, M.D. is a nephrology physician with a practice address in Fort Collins, Colorado, and NPI 1134116932, issued on Oct 5, 2005. Check the license (Colorado 41483, as entered in NPPES) on the Colorado Medical 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
1134116932
Name
Kevin Donald Muelken
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
41483 CO
Self-reported in NPPES; status is on the state search
Practice location
3351 Eastbrook Dr Ste 100, Fort Collins, CO 80525
Phone
(970) 493-7733
Enumerated
Oct 5, 2005
Record last updated
Mar 25, 2024
Fax
(970) 493-8745
Medicaid ID
03637832 CO
Medicare enrollment
Enrolled (PECOS I20051223000250); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 1997
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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Also registered at 3351 Eastbrook Dr Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nilesh Ahuja, MDNephrology Physician1750437331
  2. Jordan Evans, MDNephrology Physician1700244639
  3. Ashwin Ganta, M.DNephrology Physician1629229620
  4. Monisha Panda, MD, RDNephrology Physician1467870998
  5. Roshni Radhakrishna, M.DNephrology Physician1477995777
  6. Arjun Sharma, M.D.Nephrology Physician1447542436

Verify Kevin Donald Muelken in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 41483
    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 Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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34% more Medicare Part D claims than the average nephrology physician in 2024

1,970 Medicare Part D claims for 294 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Kevin Muelken1,970
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate212 claims
  2. Calcitriol158 claims
  3. Losartan Potassium121 claims
  4. Furosemide114 claims
  5. Allopurinol88 claims
  6. Prednisone84 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. Nephrology Clinic PCFort Collins, CO

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

Kevin Donald Muelken among 182 nephrology physician records in Colorado

Kevin Donald Muelken, M.D. is one of 182 nephrology physician records with a practice address in Colorado. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 72% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1997 · median 2002 among the 133 with a school on file
  • Record last updated2024 · 54% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Colorado

There are 182 nephrology physician records in Colorado.

The 8 nephrology physician records with the nearest ZIP codes

  1. Nilesh Ahuja, MDFort Collins, CO 805251750437331
  2. Sara Burgardt, MDFort Collins, CO 805251144549007
  3. Jordan Evans, MDFort Collins, CO 805251700244639
  4. Ashwin Ganta, M.DFort Collins, CO 805251629229620
  5. Priyanka GovindanFort Collins, CO 805251245551993
  6. Jason Merritt, MDFort Collins, CO 805251093704991
  7. Monisha Panda, MD, RDFort Collins, CO 805251467870998
  8. Varsha Pathak, MDFort Collins, CO 805251568621142

Common questions

What is Kevin Donald Muelken, M.D.'s NPI number?

Kevin Donald Muelken, M.D.'s National Provider Identifier (NPI) is 1134116932, issued on Oct 5, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Kevin Donald Muelken, M.D. located?

The NPPES record lists a practice address at 3351 Eastbrook Dr Ste 100, Fort Collins, CO, 80525. Phone: (970) 493-7733. Providers update this record themselves, so call before visiting.

How can I verify Kevin Donald Muelken, M.D.'s license?

NPPES lists Colorado license number 41483, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kevin Donald Muelken, M.D. prescribe under Medicare Part D?

In 2024, Kevin Donald Muelken, M.D. had 1,970 Medicare Part D claims for 294 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.