Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

EVAN KESSLER MD
NPI 1316366404
Surgery - Vascular Surgery in Smithtown, NY

Q: What is Evan Kessler's NPI number?

The NPI number for Evan Kessler is 1316366404. It was assigned to this individual provider in the NPPES registry on April 16, 2014.

Q: What is Evan Kessler's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Q: When was this NPI record last updated?

The NPPES record for Evan Kessler was last updated on September 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.

Active since April 16, 2014PECOS EnrolledAccepts Medicare Assignment

48 ROUTE 25A STE 303, SMITHTOWN, NY 11787(631) 862-3635(631) 979-9115 Get Directions Write a Review

NPPES record last updated: September 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 8, 2026, Sep 6, 2022, Aug 5, 2020 (3 updates tracked since 2020).

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About Evan Kessler Md NPPES

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

EVAN KESSLER MD (NPI 1316366404) is an individual vascular surgery provider in Smithtown, New York, licensed in New York (292575) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai South Nassau, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1316366404

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameEVAN KESSLERCredential: MD

Location Address48 ROUTE 25A STE 303Smithtown, NY 11787-1454

Mailing Address48 Route 25a Ste 303Smithtown, NY 11787-1454 · (631) 862-3635 · Fax (631) 979-9115

Phone(631) 862-3635

Fax(631) 979-9115

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateApril 16, 2014

Last NPPES UpdateSeptember 8, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 8, 2026

✔ NPI 1316366404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

License✔ Licensed in NY · 292575

Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

48 ROUTE 25A STE 303, Smithtown, NY 11787

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Evan Kessler 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 ID7618214768

PECOS Enrollment IDI20230216001596

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.

Medicare Billing Reassignments

Medicare enrollment records show Evan Kessler reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St. Catherine Of Siena Medical Center

0.1 mi

General Acute Care Hospital

50 ROUTE 25A
Smithtown, NY 11787

Reassigned Medicare billing, New York enrollment
194 clinicians in this Medicare group

NPI 1154764819 (631) 862-3000

North Shore Medical Group Of The Mount Sinai School Of Medicine

3.5 mi

Gastroenterology

59 SOUTHERN BLVD
Nesconset, NY 11767

Reassigned Medicare billing, New York enrollment
572 clinicians in this Medicare group

NPI 1962646091 (631) 659-1700

Chs Physician Partners, P.C

12 mi

Family Medicine

213 MONTAUK HWY
West Sayville, NY 11796

Reassigned Medicare billing, New York enrollment
Medicare enrollment name: Chs Physician Partners PC
944 clinicians in this Medicare group

NPI 1679823512 (631) 563-6205

Mount Sinai School Of Medicine

22 mi

Hematology & Oncology

2209 MERRICK RD STE 101
Merrick, NY 11566

Reassigned Medicare billing, New York enrollment
302 clinicians in this Medicare group

NPI 1720555089 (516) 546-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 16

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.

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

555 services96 patients

Removal of skin and tissue, each additional 20.0 sq cm or less 11045

This procedure involves the removal of skin and tissue, typically due to disease, injury, or abnormal growth. Each session removes an area of 20.0 square cm or less. It's performed by a trained professional and may require multiple sessions for larger areas.

228 services17 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.

94 services75 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

94 services85 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

74 services51 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.

69 services69 patients

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.

53 services38 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

40 services37 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

37 services21 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

29 services24 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

27 services25 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

25 services25 patients

Complete ultrasound study of arm and leg arteries 93923

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

22 services21 patients

Ultrasound of leg arteries or artery grafts 93925

17 services17 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

16 services16 patients

Ultrasound of both sides of head and neck blood flow 93880

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Mount Sinai South Nassau

Acute Care Hospitals · Oceanside, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330198

LocationOne Healthy WayOceanside, NY 11572 · Nassau County

Emergency services Birthing friendly

St Catherine Of Siena Hospital Medical Center

Acute Care Hospitals · Smithtown, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330401

Location50 Route 25ASmithtown, NY 11787 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11787 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

$105.06 typical visit price

range $67.40 – $203.53

Typical copayment $26.26 (range $16.85 – $50.88)

Most-billed visit code 99203

Established Patient

$83.44 typical visit price

range $21.66 – $164.45

Typical copayment $20.86 (range $5.41 – $41.11)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Evan Kessler's NPI number?

The NPI number for Evan Kessler is 1316366404. It was assigned to this individual provider in the NPPES registry on April 16, 2014.

Where is Evan Kessler located?

Evan Kessler practices at 48 Route 25A Ste 303, Smithtown, NY 11787. The listed phone number is (631) 862-3635.

What is Evan Kessler's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Evan Kessler enrolled in Medicare?

Yes. Evan Kessler 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.

Which organizations bill Medicare for Evan Kessler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Evan Kessler reassigns Medicare benefits to 4 organizations: St. Catherine Of Siena Medical Center (Smithtown, NY), North Shore Medical Group Of The Mount Sinai School Of Medicine (Nesconset, NY), Chs Physician Partners, P.C (West Sayville, NY) and Mount Sinai School Of Medicine (Merrick, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Evan Kessler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Evan Kessler affiliated with any hospitals?

According to CMS data, Evan Kessler is affiliated with Mount Sinai South Nassau and St Catherine Of Siena Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Evan Kessler was last updated on September 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.