SHAWN TSEKHAN
NPI 1639466998
Psychiatry & Neurology - Neurology in Hampton Bays, NY

Q: What is Shawn Tsekhan's NPI number?

The NPI number for Shawn Tsekhan is 1639466998. It was assigned to this individual provider in the NPPES registry on July 6, 2011.

Q: What is Shawn Tsekhan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Shawn Tsekhan was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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 July 06, 2011PECOS EnrolledAccepts Medicare Assignment

34 E MONTAUK HWY STE 4, HAMPTON BAYS, NY 11946(631) 728-0505(631) 728-4038 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 25, 2026, Mar 28, 2016 (2 updates tracked since 2016).

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About Shawn Tsekhan NPPES

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

SHAWN TSEKHAN (NPI 1639466998) is an individual neurology provider in Hampton Bays, New York, licensed in New York (284856) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS, is affiliated with St Charles Hospital, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1639466998

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameSHAWN TSEKHAN

Location Address34 E MONTAUK HWY STE 4Hampton Bays, NY 11946-1866

Mailing Address34 E Montauk Hwy Ste 4Hampton Bays, NY 11946-1866 · (631) 728-0505 · Fax (631) 728-4038

Phone(631) 728-0505

Fax(631) 728-4038

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateJuly 6, 2011

Last NPPES UpdateAugust 25, 20262 updates tracked since enumeration

NPPES CertifiedAugust 25, 2026

✔ NPI 1639466998 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in NY · 284856

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

34 E MONTAUK HWY STE 4, Hampton Bays, NY 11946

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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

Shawn Tsekhan 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 ID6406076660

PECOS Enrollment IDI20160907001884

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 Shawn Tsekhan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Meeting House Lane Medical Practice PC

7.2 mi

Internal Medicine

57 HAMPTON RD, SUITE 201
Southampton, NY 11968

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

NPI 1902088495 (631) 283-2430

Chs Physician Partners, P.C

32 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

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 12

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.

389 services229 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.

158 services158 patients

Measurement of brain wave activity (eeg), awake and drowsy 95816

Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.

110 services102 patients

Needle measurement of electrical activity in arm or leg muscles, complete study 95886

This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.

91 services43 patients

Electrocardiogram (ecg) 1 to 3 leads with review by physician 93040

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. It uses 1 to 3 leads (sensors) placed on your skin. A physician reviews the results to assess heart rate, rhythm, and detect any abnormalities.

64 services64 patients

Measurement of brain wave activity (eeg), awake and drowsy 95816

64 services64 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

38 services36 patients

Nerve conduction, 11-12 studies 95912

Nerve conduction studies are tests that measure how well your nerves are working. In 11-12 studies, small electrodes are placed on your skin to send and receive electrical signals. These signals show how quickly and effectively your nerves are transmitting signals, helping to identify any nerve damage or dysfunction.

23 services23 patients

Nerve conduction, 9-10 studies 95911

Nerve conduction studies involve sending small electrical shocks through the skin to measure how quickly nerves transmit signals. This helps detect nerve damage. 9-10 studies mean this process will be repeated on different nerves to gather comprehensive data.

22 services21 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.

20 services20 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

20 services16 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.

17 services14 patients

Hospital Affiliations CMS Care Compare 2

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

St Charles Hospital

Acute Care Hospitals · Port Jefferson, NY

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330246

Location200 Belle Terre RoadPort Jefferson, NY 11777 · Suffolk County

Birthing friendly

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 11946 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.

Other Providers at the Same Location NPPES 3

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

CORINA ANDERSON DO

Family Medicine

34 E MONTAUK HWY STE 4
HAMPTON BAYS, NY 11946

Suffolk County (631) 728-0505

CARLY MENDOZA FNP

Nurse Practitioner (Family)

34 E MONTAUK HWY STE 4
HAMPTON BAYS, NY 11946

Suffolk County (631) 728-0505

PATRICIA ELIZABETH NUNZIATA RPA-C

Physician Assistant (Medical)

34 E MONTAUK HWY STE 4
HAMPTON BAYS, NY 11946

Suffolk County (631) 728-0505

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 Shawn Tsekhan's NPI number?

The NPI number for Shawn Tsekhan is 1639466998. It was assigned to this individual provider in the NPPES registry on July 6, 2011.

Where is Shawn Tsekhan located?

Shawn Tsekhan practices at 34 E Montauk Hwy Ste 4, Hampton Bays, NY 11946. The listed phone number is (631) 728-0505.

What is Shawn Tsekhan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Shawn Tsekhan enrolled in Medicare?

Yes. Shawn Tsekhan 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 Shawn Tsekhan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shawn Tsekhan reassigns Medicare benefits to 2 organizations: Meeting House Lane Medical Practice PC (Southampton, NY) and Chs Physician Partners, P.C (West Sayville, 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 Shawn Tsekhan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Shawn Tsekhan affiliated with any hospitals?

According to CMS data, Shawn Tsekhan is affiliated with St Charles Hospital and Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Shawn Tsekhan was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.