Physician Profile
Based in Port Washington, NY, William S. Knight, M.D. is listed in the NPI registry under internal medicine. William graduated from New York Medical College in 1991. Medicare claims data shows William provided 3,446 services to 1,717 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and administration of influenza virus vaccine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
535 PORT WASHINGTON BLVD SUITE 201
Port Washington, NY 11050
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
3,446 services · 1,717 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
45 | More often than most peers in Internal Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
234 | More than most peers in Internal Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
162 | More often than most peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
23 | As often as other peers in Internal Medicine |
| Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage | Treatment | 90656 |
21 | As often as other peers in Internal Medicine |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
163 | More often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,243 | More than most peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
555 | More than most peers in Internal Medicine |
| Administration of influenza virus vaccine | Billing code | G0008 |
256 | More than most peers in Internal Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
183 | More often than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
William S. Knight is an internist in Port Washington, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
William S. Knight is listed at 535 Port Washington Blvd Suite 201, Port Washington, NY 11050. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (516) 944-9515. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
William S. Knight's National Provider Identifier is 1245314475. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
William S. Knight attended New York Medical College, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
William S. Knight has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, William S. Knight performs procedures including removal of impacted ear wax; provides treatments such as influenza vaccine split virus, preservative free and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by William S. Knight. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.