Doctor profile · Federal record

Dr. Christopher Keller, MD

Nephrology Physician (CMS: Nephrology) · Caldwell, ID

  • NPI 1255467312
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
4620 Enterprise Way Ste 101
Caldwell, ID 83605
(208) 846-8335
fax (208) 846-8336
Additional location
1109 W Myrtle St Ste 100
Boise, ID 837026971
Additional location
3525 E Louise Dr Ste 195
Meridian, ID 836426303
Show 1 more location
Additional location
4424 E Flamingo Ave
Nampa, ID 836879289
Mailing address
3525 E Louise Dr Ste 195
Meridian, ID 836426303

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
May 16, 2018
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Idaho #M10236

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255467312. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
890
Distinct HCPCS
10
Medicare allowed
$127,639
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 354 175 $91
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 166 27 $277
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 165 58 $74
90966 Home dialysis services per month (20 years or older) 95 15 $255
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 29 18 $113
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 21 21 $164
90935 Hemodialysis procedure with physician evaluation 20 18 $68
99215 Established patient office or other outpatient visit, 40-54 minutes 18 16 $128
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $125
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $123

In context: peer comparison

Among 1 peers in Caldwell Nephrology Physician, average services per provider: 89. This provider delivers 10.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$23
Transactions
6
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Travere Therapeutics, INC. 6 $23.15

By nature of payment

Education
$23

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,179
Patients
978
Total drug cost
$909,569
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 460 152 $3,186
Trulicity (Dulaglutide) Brand 269 69 $381,529
Furosemide Generic 262 92 $1,802
Losartan Potassium Generic 242 83 $4,118
Metoprolol Succinate Generic 224 75 $7,352
Farxiga (Dapagliflozin Propanediol) Brand 207 54 $178,200
Atorvastatin Calcium Generic 199 67 $2,730
Lisinopril Generic 199 64 $1,382
Ozempic (Semaglutide) Brand 197 43 $252,877
Allopurinol Generic 194 50 $3,672

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Keller's medical specialty?
Dr. Christopher Keller practices Nephrology Physician in Caldwell, ID.
Where does Dr. Christopher Keller practice?
Dr. Christopher Keller practices at 4620 Enterprise Way Ste 101, Caldwell, ID 83605. Office phone: 2088468335.
What is Dr. Christopher Keller's NPI?
Dr. Christopher Keller's National Provider Identifier (NPI) is 1255467312, issued by NPPES.
Does Dr. Christopher Keller accept Medicare assignment?
Yes. Dr. Christopher Keller accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Keller commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.