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DR. WILLIAM J COHN MD
NPI 1861459208
Internal Medicine - Gastroenterology in East Setauket, NY

Active since April 28, 2006PECOS EnrolledAccepts Medicare Assignment
91.25/100
CMS Quality Rating
3400 NESCONSET HWY, SUITE 101, EAST SETAUKET, NY 11733(631) 751-8700(631) 751-5971 Get Directions Write a Review

NPPES record last updated: September 20, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William J Cohn Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM J COHN MD (NPI 1861459208) is an individual gastroenterology provider in East Setauket, New York, licensed in New York (126917) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with John T Mather Memorial Hospital Of Port Jefferson, and is a graduate of Virginia Commonwealth University, School Of Medicine (1972).

NPPES Registry Identity

NPI1861459208
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. WILLIAM J COHNCredential: MD
Location Address3400 NESCONSET HWY, SUITE 101East Setauket, NY 11733-3327
Mailing Address3400 Nesconset Hwy, Suite 101East Setauket, NY 11733-3327 · (631) 751-8700 · Fax (631) 751-5971
Phone(631) 751-8700
Fax(631) 751-5971
Sole ProprietorNo
Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 1972
Enumeration DateApril 28, 2006
Last NPPES UpdateSeptember 20, 2012
✔ NPI 1861459208 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 126917
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
3400 NESCONSET HWY, East Setauket, NY 11733
Open in Google Maps ↗

Other Identifiers 3

Medicaid00397402NY
Medicare UPINC08972NY
Medicare ID-Type Unspecified349871NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William J Cohn Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254437247
PECOS Enrollment IDI20101105000893
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
221 services172 patients
Stool analysis for blood, by peroxidase activity 82272
A stool analysis for blood, by peroxidase activity, is a test to detect blood in your stool. This test helps identify bleeding in the digestive tract. It involves collecting a stool sample, which is then checked for the presence of blood using a chemical reaction.
159 services152 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
106 services105 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
99 services96 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
98 services98 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
84 services82 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

John T Mather Memorial Hospital Of Port Jefferson

Acute Care Hospitals · Port Jefferson, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330185
Location75 North Country RoadPort Jefferson, NY 11777 · Suffolk County
Emergency services

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number330393
LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11733 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.92
Promoting Interoperability91.67
Improvement Activities40

Reported Quality Measures

Closing the Referral Loop: Receipt of Specialist Report
Percentage of patients with referrals, regardless of age, for which the referring provider receives a report from the provider to whom the patient was referred
35%26 patients2/55-star benchmark: 95%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
84%838 patients4/55-star benchmark: 85%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
91%1,564 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
97%860 patients4/55-star benchmark: 100%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
39%31 patients2/55-star benchmark: 96%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
95%833 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
53%1,353 patients3/55-star benchmark: 99%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
28%1,348 patients2/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
67%1,353 patients3/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
14%1,353 patients1/55-star benchmark: 59%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 540 patients
0%540 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARGARET A CARIOLA NP
Nurse Practitioner (Adult Health)
3400 NESCONSET HWY, STE 101
EAST SETAUKET, NY 11733
Suffolk County (631) 751-8700
DEBORAH A LUPO NP
Nurse Practitioner (Adult Health)
3400 NESCONSET HWY, STE 101
EAST SETAUKET, NY 11733
Suffolk County (631) 751-8700
EYE-Q CORPORATION OF AMERICA
Durable Medical Equipment & Medical Supplies (Customized Equipment)
3400 NESCONSET HWY, SUITE 107
EAST SETAUKET, NY 11733
Suffolk County (631) 751-2020
COLON AND RECTAL SURGEONS OF LONG ISLAND, P.C.
Colon & Rectal Surgery
3400 NESCONSET HWY, SUITE 100
EAST SETAUKET, NY 11733
Suffolk County (631) 689-2600
LONG ISLAND DIGESTIVE DISEASE CONSULTANTS, PC
Internal Medicine (Gastroenterology)
3400 NESCONSET HWY, STE 101
EAST SETAUKET, NY 11733
Suffolk County (631) 751-8700
DR. ALEXANDER LLINAS M.D., PH.D.
Ophthalmology
3400 NESCONSET HWY, SUITE 107
EAST SETAUKET, NY 11733
Suffolk County (631) 751-2020
DR. ROBERT JOHN BARANOWSKI MD
Internal Medicine (Gastroenterology)
3400 NESCONSET HWY, SUITE 101
EAST SETAUKET, NY 11733
Suffolk County (631) 751-8700
DR. DEBRA A MESSINA M.D.
Ophthalmology
3400 NESCONSET HWY, SUITE 107
EAST SETAUKET, NY 11733
Suffolk County (631) 751-2020

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Cohn's NPI number?

The NPI number for William Cohn is 1861459208. It was assigned to this individual provider in the NPPES registry on April 28, 2006.

Where is William Cohn located?

William Cohn practices at 3400 Nesconset Hwy Suite 101, East Setauket, NY 11733. The listed phone number is (631) 751-8700.

What is William Cohn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is William Cohn enrolled in Medicare?

Yes. William Cohn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is William Cohn affiliated with any hospitals?

According to CMS data, William Cohn is affiliated with John T Mather Memorial Hospital Of Port Jefferson and Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for William Cohn was last updated on September 20, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.