Doctor profile · Federal record

Dr. Kevin Muelken, M.D.

Nephrology Physician (CMS: Nephrology) · Fort Collins, CO

  • NPI 1134116932
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3351 Eastbrook Dr Ste 100
Fort Collins, CO 805255744
(970) 493-7733
fax (970) 493-8745
Mailing address
1600 Specht Point RD, Suite 127
Ft Collins, CO 805254311

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
March 25, 2024
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Colorado #41483
Medicaid
CO #03637832

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134116932. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,196
Distinct HCPCS
10
Medicare allowed
$213,717
HCPCS Description Services Patients Avg allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 309 46 $365
99214 Established patient office or other outpatient visit, 30-39 minutes 264 180 $96
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 178 98 $80
90935 Hemodialysis procedure with physician evaluation 97 51 $72
99213 Established patient office or other outpatient visit, 20-29 minutes 88 85 $83
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 78 40 $304
99215 Established patient office or other outpatient visit, 40-54 minutes 55 40 $124
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 50 43 $114
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 24 24 $175
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 21 21 $131

In context: peer comparison

Among 4 peers in Fort Collins Nephrology Physician, average services per provider: 90. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,247
Patients
346
Total drug cost
$25,378
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 197 63 $1,650
Calcitriol Generic 156 44 $2,331
Losartan Potassium Generic 126 38 $1,875
Furosemide Generic 125 36 $1,175
Lisinopril Generic 91 30 $1,037
Chlorthalidone Generic 84 22 $1,409
Carvedilol Generic 81 25 $891
Allopurinol Generic 78 24 $1,213
Sevelamer Carbonate Generic 62 11 $8,445
Prednisone Generic 57 11 $450

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kevin Muelken's medical specialty?
Dr. Kevin Muelken practices Nephrology Physician in Fort Collins, CO.
Where does Dr. Kevin Muelken practice?
Dr. Kevin Muelken practices at 3351 Eastbrook Dr Ste 100, Fort Collins, CO 805255744. Office phone: 9704937733.
What is Dr. Kevin Muelken's NPI?
Dr. Kevin Muelken's National Provider Identifier (NPI) is 1134116932, issued by NPPES.
Does Dr. Kevin Muelken accept Medicare assignment?
Yes. Dr. Kevin Muelken accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kevin Muelken commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.