Doctor profile · Federal record

Dr. James Singer, M.D.

Nephrology Physician · Nephrology Physician · Ft Collins, CO

  • NPI 1407843204
  • 21 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1600 Specht Point RD, Suite 127
Ft Collins, CO 805254311
(970) 493-7733
fax (970) 493-8745
Additional location
2301 House Ave Ste 201
Cheyenne, WY 820013177
(307) 638-7757
Mailing address
500 W Broadway St, Fl 4
Missoula, MT 598024008

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
December 6, 2022
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Colorado #36145 · Wyoming #6029A
Medicaid
CO #01361450

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407843204. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
184
Distinct HCPCS
4
Medicare allowed
$16,807
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 71 33 $79
90935 Hemodialysis procedure with physician evaluation 63 27 $71
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 34 22 $118
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 16 $172

In context: peer comparison

Among 1 peers in Ft Collins Nephrology Physician, average services per provider: 46. This provider delivers 4.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. James Singer's medical specialty?
Dr. James Singer practices Nephrology Physician in Ft Collins, CO.
Where does Dr. James Singer practice?
Dr. James Singer practices at 1600 Specht Point RD, Ft Collins, CO 805254311. Office phone: 9704937733.
What is Dr. James Singer's NPI?
Dr. James Singer's National Provider Identifier (NPI) is 1407843204, issued by NPPES.
What procedures does Dr. James Singer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hemodialysis procedure with physician evaluation (HCPCS 90935); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.