Doctor profile · Federal record

Dr. John Carroll, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Internal Medicine) · Wausau, WI

  • NPI 1114935400
  • Accepts Medicare
  • MIPS 83.7 / 100 · 2023
  • 52 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2720 Plaza Dr, Suite 1400
Wausau, WI 544014158
(715) 847-2004
Mailing address
3000 Westhill Dr, Suite 303
Wausau, WI 544013795

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Wisconsin #19661
Medicaid
WI #30260800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114935400. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,303
Distinct HCPCS
7
Medicare allowed
$72,372
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 840 11 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 185 124 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 145 116 $86
99215 Established patient office or other outpatient visit, 40-54 minutes 48 44 $172
96372 Injection of drug or substance under skin or into muscle 38 12 $14
99205 New patient office or other outpatient visit, 60-74 minutes 30 30 $210
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $159

In context: peer comparison

Among 1 peers in Wausau Endocrinology, Diabetes & Metabolism Physician, average services per provider: 186. This provider delivers 7.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$50
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Radius Health, INC. 1 $49.54

By nature of payment

Food and Beverage
$50

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,404
Patients
336
Total drug cost
$361,023
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 296 82 $4,836
Levoxyl (Levothyroxine Sodium) Brand 252 78 $10,724
Synthroid (Levothyroxine Sodium) Brand 225 53 $25,156
Methimazole Generic 84 24 $1,670
Hydrocortisone Generic 81 21 $6,808
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 73 24 $80,585
Alendronate Sodium Generic 68 22 $801
Humalog Kwikpen U-100 (Insulin Lispro) Brand 50 12 $57,624
Novolog Flexpen (Insulin Aspart) Brand 47 20 $65,721
Ozempic (Semaglutide) Brand 44 0 $43,711

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Carroll's medical specialty?
Dr. John Carroll practices Endocrinology, Diabetes & Metabolism Physician in Wausau, WI.
Where does Dr. John Carroll practice?
Dr. John Carroll practices at 2720 Plaza Dr, Wausau, WI 544014158. Office phone: 7158472004.
What is Dr. John Carroll's NPI?
Dr. John Carroll's National Provider Identifier (NPI) is 1114935400, issued by NPPES.
Does Dr. John Carroll accept Medicare assignment?
Yes. Dr. John Carroll accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Carroll commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.