Doctor profile · Federal record

Dr. William Knight, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Port Washington, NY

  • NPI 1245314475
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
535 Port Washington Blvd, Suite 201
Port Washington, NY 110504217
(516) 944-9515
fax (516) 767-5156

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
April 1, 2008
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #199127

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245314475. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,672
Distinct HCPCS
10
Medicare allowed
$296,576
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 916 394 $142
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 316 65 $88
G0008 Administration of influenza virus vaccine 232 232 $36
90662 Influenza vaccine split virus, preservative free 211 211 $72
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 166 166 $145
99213 Established patient office or other outpatient visit, 20-29 minutes 154 82 $101
96372 Injection of drug or substance under skin or into muscle 143 29 $16
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 143 29 $1
99496 Transitional care management services for problem of high complexity 112 93 $298
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 72 59 $145

In context: peer comparison

Among 1 peers in this city , average services per provider: 140. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$531
Transactions
24
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 8 $158.67
ABBVIE INC. 5 $105.63
Novo Nordisk Inc 4 $99.15
Novartis Pharmaceuticals Corporation 2 $38.09
Janssen Pharmaceuticals, Inc 1 $33.68
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $26.96
PFIZER INC. 1 $25.10
Eisai Inc. 1 $24.34
Exact Sciences Corporation 1 $19.15

By nature of payment

Food and Beverage
$531

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,621
Patients
763
Total drug cost
$134,082
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 260 69 $5,167
Losartan Potassium Generic 248 72 $3,850
Atorvastatin Calcium Generic 226 74 $3,228
Levothyroxine Sodium Generic 217 73 $4,792
Amlodipine Besylate Generic 194 58 $1,327
Pantoprazole Sodium Generic 186 63 $3,201
Metformin Hcl Er (Metformin Hcl) Brand 171 51 $1,566
Rosuvastatin Calcium Generic 163 50 $2,163
Tamsulosin Hcl Generic 156 43 $2,859
Simvastatin Generic 151 43 $1,598

Frequently asked questions

Auto-generated from federal data
What is Dr. William Knight's medical specialty?
Dr. William Knight practices Internal Medicine Physician in Port Washington, NY.
Where does Dr. William Knight practice?
Dr. William Knight practices at 535 Port Washington Blvd, Port Washington, NY 110504217. Office phone: 5169449515.
What is Dr. William Knight's NPI?
Dr. William Knight's National Provider Identifier (NPI) is 1245314475, issued by NPPES.
Does Dr. William Knight accept Medicare assignment?
Dr. William Knight does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. William Knight commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.