Doctor profile · Federal record

Dr. William Johns, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Nuclear Medicine Physician · West Haven, CT

  • NPI 1598773160
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
950 Campbell Ave
West Haven, CT 065162770
(203) 932-5711
Mailing address
67 Maple Ave
Derby, CT 064181328

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
May 17, 2016
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #026668

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598773160. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Ethicon US, LLC 2 $39.69

By nature of payment

Food and Beverage
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,290
Patients
404
Total drug cost
$109,486
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 189 68 $4,134
Amlodipine Besylate Generic 130 41 $1,814
Gabapentin Generic 115 27 $3,199
Metformin Hcl Generic 105 37 $1,439
Lisinopril Generic 103 32 $1,870
Pantoprazole Sodium Generic 87 26 $2,058
Celecoxib Generic 72 17 $1,344
Losartan Potassium Generic 71 25 $1,410
Tamsulosin Hcl Generic 68 26 $1,768
Levothyroxine Sodium Generic 67 21 $1,640

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Johns's medical specialty?
Dr. William Johns practices Internal Medicine Physician in West Haven, CT.
Where does Dr. William Johns practice?
Dr. William Johns practices at 950 Campbell Ave, West Haven, CT 065162770. Office phone: 2039325711.
What is Dr. William Johns's NPI?
Dr. William Johns's National Provider Identifier (NPI) is 1598773160, issued by NPPES.
Does Dr. William Johns accept Medicare assignment?
Dr. William Johns does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.