Doctor profile · Federal record

Dr. Carl Walker, MD

Urology Physician (CMS: Urology) · Urology Physician · Urology Physician · Spokane, WA

  • NPI 1053301440
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 35 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1401 E Trent Ave # 200
Spokane, WA 992022902
(509) 747-3147

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
October 14, 2021
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
208800000X — NUCC code
State licenses (3)
Washington #MD61157938 · Indiana #01046851A · California #G74666
Medicaid
IN #200152410

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053301440. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,443
Distinct HCPCS
10
Medicare allowed
$269,944
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 266 203 $129
51798 Ultrasound measurement of bladder capacity after voiding 161 111 $11
99204 New patient office or other outpatient visit, 45-59 minutes 134 134 $166
52000 Diagnostic exam of bladder and urethra using an endoscope 116 105 $202
81002 Urinalysis, manual test 92 81 $3
52442 Insertion of implant in urethra within prostate gland using an endoscope, each additional implant 77 16 $881
76872 Ultrasound scan of pelvic region through rectum 72 66 $94
51728 Complex measurement of pressure of urine flow in bladder with voiding pressure studies 49 49 $378
51741 Electronic assessment of bladder emptying 49 49 $7
51700 Simple bladder irrigation and/or instillation 48 36 $48

In context: peer comparison

Among 4 peers in Spokane Urology Physician, average services per provider: 88. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,223
Transactions
43
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Sumitomo Pharma America, INC. 10 $260.88
Boston Scientific Corporation 6 $221.99
Janssen Biotech, INC. 7 $189.70
Urogen Pharma, INC. 2 $151.97
Dendreon Pharmaceuticals LLC 3 $92.79
Abbvie INC. 3 $75.15
Axonics, INC. 3 $60.81
Merck Sharp & Dohme LLC 2 $49.78
Myriad Genetic Laboratories, INC. 2 $29.48
Cook Medical LLC 2 $29.09
Verity Pharmaceuticals INC. 1 $25.56
Tolmar, INC. 1 $21.08
Olympus America INC. 1 $14.64

By nature of payment

Food and Beverage
$1,155
Education
$68

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
676
Patients
373
Total drug cost
$83,153
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 110 36 $1,996
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 106 99 $485
Finasteride Generic 96 45 $988
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 49 43 $203
Oxybutynin Chloride ER (Oxybutynin Chloride) Brand 48 14 $968
Ciprofloxacin Hcl Generic 46 39 $323
Levofloxacin Generic 41 35 $69
Oxybutynin Chloride Generic 37 14 $828
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 32 18 $895
Myrbetriq (Mirabegron) Brand 31 13 $29,101

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Carl Walker's medical specialty?
Dr. Carl Walker practices Urology Physician in Spokane, WA.
Where does Dr. Carl Walker practice?
Dr. Carl Walker practices at 1401 E Trent Ave # 200, Spokane, WA 992022902. Office phone: 5097473147.
What is Dr. Carl Walker's NPI?
Dr. Carl Walker's National Provider Identifier (NPI) is 1053301440, issued by NPPES.
Does Dr. Carl Walker accept Medicare assignment?
Yes. Dr. Carl Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carl Walker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Ultrasound measurement of bladder capacity after voiding (HCPCS 51798); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.