Doctor profile · Federal record

Dr. Niel Johnson, MD

Family Medicine Physician (CMS: Family Practice) · Brookfield, WI

  • NPI 1649233255
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
16985 W Bluemound RD
Brookfield, WI 530055909
(262) 641-8400
fax (910) 369-2874
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
May 13, 2024
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Wisconsin #35197
Medicaid
WI #100044449

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649233255. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
393
Distinct HCPCS
8
Medicare allowed
$46,012
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 135 82 $120
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 75 75 $119
99215 Established patient office or other outpatient visit, 40-54 minutes 55 47 $169
G0008 Administration of influenza virus vaccine 32 29 $29
90662 Influenza vaccine split virus, preservative free 29 26 $72
99213 Established patient office or other outpatient visit, 20-29 minutes 28 26 $85
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 20 20 $281
G0009 Administration of pneumococcal vaccine 19 19 $29

In context: peer comparison

Among 10 peers in this city , average services per provider: 44. This provider delivers 8.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$151
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Averitas Pharma Inc. 1 $84.07
Novo Nordisk Inc 1 $66.82

By nature of payment

Food and Beverage
$151

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,317
Patients
713
Total drug cost
$34,261
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 370 111 $4,302
Amlodipine Besylate Generic 241 71 $2,207
Omeprazole Generic 186 56 $3,758
Furosemide Generic 169 44 $1,053
Losartan Potassium Generic 160 53 $2,220
Lisinopril Generic 153 55 $1,101
Metformin Hcl Generic 126 40 $1,044
Tamsulosin Hcl Generic 125 43 $2,376
Pantoprazole Sodium Generic 122 38 $1,849
Simvastatin Generic 122 38 $1,705

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Niel Johnson's medical specialty?
Dr. Niel Johnson practices Family Medicine Physician in Brookfield, WI.
Where does Dr. Niel Johnson practice?
Dr. Niel Johnson practices at 16985 W Bluemound RD, Brookfield, WI 530055909. Office phone: 2626418400.
What is Dr. Niel Johnson's NPI?
Dr. Niel Johnson's National Provider Identifier (NPI) is 1649233255, issued by NPPES.
Does Dr. Niel Johnson accept Medicare assignment?
Yes. Dr. Niel Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Niel Johnson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.