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Mark Szigeti

Physician Assistant • Patchogue, NY

Active NPI 1447965579 Individual Practitioner Male Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

24 Railroad Ave
Patchogue, NY 117723518

Call 6316157439 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

24 Railroad Ave

Patchogue, NY 117723518

Telephone 6316157439
Other Listings in Public Data

CMS Doctors and Clinicians lists 2 distinct group names: Cs Medical Associates, Pc; Island Urgent Care Pllc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Graduation Year

2023

Medicare patients

118 people with Original Medicare in 2024

Different Original Medicare patients in 2024; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.

Medicare-allowed amount

About $17,622 in 2024

The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.

What this does not show: Medicare-allowed amount

This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.

Paid by Medicare

About $11,998 in 2024

The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.

What this does not show: Paid by Medicare

This is not the clinician's income and not a measure of quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.

30-day fills

526 standardized 30-day fills in 2024

CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.

What this does not show: 30-day fills

It is not a count of patients and not a measure of quality.

Part D drug cost

$146,269 in 2024

The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.

What this does not show: Part D drug cost

A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.

Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.

Open Payments general payments, program year 2025

All general payments: $801.79 across 44 records.

By nature of payment

  • Food and Beverage: $801.79 across 44 records.

Reporting-company totals (3 largest of 10)

  • Axsome Therapeutics, Inc.: $177.14 across 10 records.
  • Lundbeck LLC: $155.86 across 10 records.
  • Alkermes, Inc.: $139.93 across 8 records.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

3 years (graduated 2023)

CMS Doctors and Clinicians data list 2023 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2023

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

Telehealth (some services)

Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.

What this does not show: Telehealth (some services)

It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Mark Szigeti has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Mark Szigeti as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Patchogue and New York

Billing and prescribing volume is not a quality rating.

Medicare Part B services

More Medicare Part B services than 60% of clinicians listed under Physician Assistant in Patchogue, NY (2024, 23 clinicians with data). Median for this group: 101. Middle half: 46 to 392.

Close to the middle for clinicians listed under Physician Assistant in New York (2024, 5,025 clinicians with data). Median for this group: 151. Middle half: 53 to 410.

Medicare-allowed amount

A higher Medicare-allowed amount than 60% of clinicians listed under Physician Assistant in Patchogue, NY (2024, 23 clinicians with data). Median for this group: $13,316. Middle half: $3,365 to $34,273.

A higher Medicare-allowed amount than 60% of clinicians listed under Physician Assistant in New York (2024, 5,025 clinicians with data). Median for this group: $12,004. Middle half: $4,378 to $28,196.

Paid by Medicare

A higher Medicare payment amount than 60% of clinicians listed under Physician Assistant in Patchogue, NY (2024, 23 clinicians with data). Median for this group: $10,375. Middle half: $2,628 to $25,368.

Close to the middle for clinicians listed under Physician Assistant in New York (2024, 5,025 clinicians with data). Median for this group: $8,890. Middle half: $3,209 to $20,987.

Medicare Part D prescriptions

More Part D prescriptions than 75% of clinicians listed under Physician Assistant in Patchogue, NY (2024, 25 clinicians with data). Median for this group: 119. Middle half: 24 to 367.

More Part D prescriptions than 70% of clinicians listed under Physician Assistant in New York (2024, 6,800 clinicians with data). Median for this group: 172. Middle half: 46 to 640.

Part D drug cost

A higher Part D drug cost than 90% of clinicians listed under Physician Assistant in Patchogue, NY (2024, 25 clinicians with data). Median for this group: $1,074. Middle half: $116 to $9,677.

A higher Part D drug cost than 80% of clinicians listed under Physician Assistant in New York (2024, 6,800 clinicians with data). Median for this group: $2,860. Middle half: $381 to $63,975.

79 active clinicians are listed under Physician Assistant with a practice address in Patchogue, NY (15,558 in New York).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Patchogue

2.5% of these 79 clinicians have the CMS telehealth indicator.

68.4% of these 79 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo · Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments · Program Year 2025
Disclosure Year:

Program year 2025 (payments made January 1 – December 31, 2025): 44 records totaling $801.79.

Manufacturer Payment Nature Product Type Amount ($)
Axsome Therapeutics, Inc.
Food and Beverage
In-kind items and services
Auvelity General $31.39
Alkermes, Inc.
Food and Beverage
In-kind items and services
VIVITROL General $31.23
Otsuka America Pharmaceutical, Inc.
Food and Beverage
In-kind items and services
ABILIFY ASIMTUFII General $28.08
Axsome Therapeutics, Inc.
Food and Beverage
In-kind items and services
Auvelity General $28.00
Indivior Inc.
Food and Beverage
In-kind items and services
SUBLOCADE General $27.97
Indivior Inc.
Food and Beverage
In-kind items and services
SUBLOCADE General $27.11
Lundbeck LLC
Food and Beverage
Cash or cash equivalent
ABILIFY MAINTENA General $25.70
Alkermes, Inc.
Food and Beverage
In-kind items and services
VIVITROL General $24.96
Indivior Inc.
Food and Beverage
In-kind items and services
SUBLOCADE General $24.83
Indivior Inc.
Food and Beverage
In-kind items and services
SUBLOCADE General $24.10
Axsome Therapeutics, Inc.
Food and Beverage
In-kind items and services
Auvelity General $24.04
Alkermes, Inc.
Food and Beverage
In-kind items and services
VIVITROL General $23.80
Braeburn Inc.
Food and Beverage
In-kind items and services
BRIXADI General $22.85
Alkermes, Inc.
Food and Beverage
In-kind items and services
VIVITROL General $22.42
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.)
Food and Beverage
In-kind items and services
CAPLYTA General $21.92
Braeburn Inc.
Food and Beverage
In-kind items and services
BRIXADI General $20.96
Braeburn Inc.
Food and Beverage
In-kind items and services
BRIXADI General $20.96
Lundbeck LLC
Food and Beverage
Cash or cash equivalent
REXULTI General $20.20
Axsome Therapeutics, Inc.
Food and Beverage
In-kind items and services
Auvelity General $19.82
Orexo US, Inc.
Food and Beverage
Cash or cash equivalent
Zubsolv General $18.77
Axsome Therapeutics, Inc.
Food and Beverage
In-kind items and services
Auvelity General $17.86
Lundbeck LLC
Food and Beverage
Cash or cash equivalent
REXULTI General $17.79
Orexo US, Inc.
Food and Beverage
Cash or cash equivalent
Zubsolv General $17.75
Lundbeck LLC
Food and Beverage
Cash or cash equivalent
REXULTI General $17.20
Corium, LLC
Food and Beverage
In-kind items and services
Azstarys General $16.80

(top 25 shown)

Source: CMS Open Payments, program year 2025, released June 30, 2026.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2024.

CMS Part B · Data Year 2024
Reporting Year:

CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2022–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2023–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

HCPCS Code Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
78 70 $251.32 $123.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
42 42 $389.44 $159.44
87804 Detection test by immunoassay with direct visual observation for influenza virus
26 13 $30.00 $16.22
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)
20 19 $142.55 $40.55
81003 Automated urinalysis test
13 11 $23.55 $2.20

Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits

Submitted charges are billed amounts, not a price quote for your visit.

Medicare Part D Prescribing Profile & Medications

Medicare Part D prescriptions filled, including refills, in 2024.

CMS Part D · Data Year 2024
Prescription Year:
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Buprenorphine-Naloxone Buprenorphine Hcl/Naloxone Hcl 203 4,845 $22,897.98 73
Azithromycin Azithromycin 58 290 $194.36 56
Methylprednisolone Methylprednisolone 38 228 $225.24 34
Vivitrol Naltrexone Microspheres 35 858 $58,451.01 11
Azelastine Hcl Azelastine Hcl 33 1,650 $1,168.22 30
Suboxone Buprenorphine Hcl/Naloxone Hcl 33 920 $16,537.71 16
Sublocade Buprenorphine 22 618 $46,071.30 —
Albuterol Sulfate Hfa Albuterol Sulfate 20 420 $452.76 17
Ciprofloxacin Hcl Ciprofloxacin Hcl 17 61 $36.70 17
Nitrofurantoin Mono-Macro Nitrofurantoin Monohyd/M-Cryst 17 87 $126.80 13
Amoxicillin-Clavulanate Potass Amoxicillin/Potassium Clav 14 101 $84.09 13
Prednisone Prednisone 13 80 $22.55 12

Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2023-01-23
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: New York Office of the Professions.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - PHYSICIAN ASSISTANT

Medicare Enrollment ID

I20230419002727

Enrollment State Jurisdiction

NY

PECOS Control ID

9638534928

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

Island Urgent Care Pllc

24 Railroad Ave, Patchogue, NY 117723518

Phone: 6316157439

Island Urgent Care Pllc

125 Sunrise Hwy, West Islip, NY 117952023

Phone: 6319834084

Island Urgent Care Pllc

2310 Hempstead Tpke, East Meadow, NY 115542035

Phone: 5163465090

Island Urgent Care Pllc

1037 Fulton St, Farmingdale, NY 117354700

Phone: 6315764190

Cs Medical Associates, Pc

100 Granny Rd, Farmingville, NY 117382879

Phone: 6316964357

Career & Practice History

NPI enumerated January 23, 2023.

No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from February 2023 to August 2026.

No reviews have been published yet. Leave a review.

NPI Administrative Meta

NPI Number: 1447965579
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 23, 2023
Last Update: January 23, 2023
Sole Proprietor: No

Other Physician Assistants in Patchogue

All Physician Assistants in Patchogue

Mailing Address

31 Blackpine Dr

Medford, NY 117634130

Phone: 6316362474

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.