Doctor profile · Federal record

Dr. Ruth Kosak, DPM

Primary Podiatric Medicine Podiatrist (CMS: Podiatry) · Sports Medicine Podiatrist · Foot & Ankle Surgery Podiatrist · Scottsdale, AZ

  • NPI 1518210004
  • 15 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11390 E Via Linda #102
Scottsdale, AZ 85259
(480) 247-8443
fax (480) 292-9381

Credentials & registration

NPPES · NUCC
NPI registered
October 2012 — 14 yrs on file
Profile last updated
August 14, 2017
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
213EP1101X — NUCC code
State license (1)
Arizona #798

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518210004. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,499
Distinct HCPCS
10
Medicare allowed
$208,137
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 902 331 $87
J1100 Injection, dexamethasone sodium phosphate, 1 mg 474 141 $0
11721 Removal of fingernails or toenails, 6 or more nails 410 159 $43
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 238 141 $1
99203 New patient office or other outpatient visit, 30-44 minutes 231 231 $109
11056 Removal of noncancer thickened skin growth, 2-4 growths 146 82 $78
97597 Removal of tissue from wound, 20.0 sq cm or less 131 46 $97
11055 Removal of noncancer thickened skin growth, 1 growth 121 89 $66
73620 X-ray of foot, 2 views 103 84 $27
20600 Aspiration and/or injection of fluid from small joint 96 67 $43

In context: peer comparison

Among 1 peers in this city , average services per provider: 120. This provider delivers 29× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
230
Patients
113
Total drug cost
$3,758
Drug Type Claims Patients Total cost
Cephalexin Generic 81 63 $435
Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) Brand 44 20 $1,289
Gentamicin Sulfate Generic 17 15 $518
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 17 15 $66
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 0 $180
Doxycycline Hyclate Generic 13 0 $409
Gabapentin Generic 12 0 $73
Allopurinol Generic 11 0 $112
Amoxicillin Generic 11 0 $21
Piperacillin-Tazobactam (Piperacillin Sodium/Tazobactam) Brand 11 0 $655

Frequently asked questions

Auto-generated from federal data
What is Dr. Ruth Kosak's medical specialty?
Dr. Ruth Kosak practices Primary Podiatric Medicine Podiatrist in Scottsdale, AZ.
Where does Dr. Ruth Kosak practice?
Dr. Ruth Kosak practices at 11390 E Via Linda #102, Scottsdale, AZ 85259. Office phone: 4802478443.
What is Dr. Ruth Kosak's NPI?
Dr. Ruth Kosak's National Provider Identifier (NPI) is 1518210004, issued by NPPES.
Does Dr. Ruth Kosak accept Medicare assignment?
Dr. Ruth Kosak does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Ruth Kosak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Removal of fingernails or toenails, 6 or more nails (HCPCS 11721). Source: CMS Medicare Physician & Other Practitioners file.