Doctor profile · Federal record

Dr. Katherine Kamholz, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Fox River Grove, IL

  • NPI 1629062849
  • Accepts Medicare
  • MIPS 5.9 / 100 · 2023
  • 32 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
912 Northwest Hwy Ste 107
Fox River Grove, IL 600211925
(847) 462-5100
Additional location
509 W Old Northwest Hwy, Suite 100C
Barrington, IL 600106811
(847) 756-7360
fax (847) 277-7191
Mailing address
29373 Network Pl
Chicago, IL 606731293

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
August 13, 2024
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036095547
Medicaid
IL #036095547

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629062849. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,429
Distinct HCPCS
10
Medicare allowed
$146,551
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 376 205 $123
99213 Established patient office or other outpatient visit, 20-29 minutes 192 130 $86
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 168 168 $123
99215 Established patient office or other outpatient visit, 40-54 minutes 131 109 $173
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 98 92 $14
G0008 Administration of influenza virus vaccine 82 82 $27
G0009 Administration of pneumococcal vaccine 69 68 $27
90662 Influenza vaccine split virus, preservative free 64 64 $72
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 59 58 $281
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 36 36 $38

In context: peer comparison

Among 3 peers in Fox River Grove Internal Medicine Physician, average services per provider: 133. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$276
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 1 $153.93
AstraZeneca Pharmaceuticals Lp 1 $121.83

By nature of payment

Food and Beverage
$276

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,744
Patients
527
Total drug cost
$25,853
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 342 103 $4,255
Lisinopril Generic 236 68 $2,580
Levothyroxine Sodium Generic 186 49 $2,481
Simvastatin Generic 116 32 $1,329
Hydrochlorothiazide Generic 107 32 $749
Pravastatin Sodium Generic 105 31 $2,554
Amlodipine Besylate Generic 99 29 $1,244
Escitalopram Oxalate Generic 94 29 $2,514
Rosuvastatin Calcium Generic 92 29 $2,006
Losartan Potassium Generic 76 24 $1,486

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Kamholz's medical specialty?
Dr. Katherine Kamholz practices Internal Medicine Physician in Fox River Grove, IL.
Where does Dr. Katherine Kamholz practice?
Dr. Katherine Kamholz practices at 912 Northwest Hwy Ste 107, Fox River Grove, IL 600211925. Office phone: 8474625100.
What is Dr. Katherine Kamholz's NPI?
Dr. Katherine Kamholz's National Provider Identifier (NPI) is 1629062849, issued by NPPES.
Does Dr. Katherine Kamholz accept Medicare assignment?
Yes. Dr. Katherine Kamholz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Kamholz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.