SEAN C OSULLIVAN PHYSICIAN ASSISTANT
NPI 1437103090
Physician Assistant in Brewster, NY

Active since May 19, 2006PECOS EnrolledAccepts Medicare Assignment
111 CLOCK TOWER CMNS, NORTHERN MEDICAL GROUP, PLLC, BREWSTER, NY 10509(845) 592-4915(845) 592-4914 Get Directions Write a Review

NPPES record last updated: February 11, 2017. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Feb 11, 2017, Jan 30, 2017 (2 updates tracked since 2017).

About Sean C Osullivan Physician Assistant NPPES

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

SEAN C OSULLIVAN PHYSICIAN ASSISTANT (NPI 1437103090) is an individual physician assistant in Brewster, New York, licensed in New York (009491) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1437103090
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameSEAN C OSULLIVANCredential: PHYSICIAN ASSISTANT
Location Address111 CLOCK TOWER CMNS, NORTHERN MEDICAL GROUP, PLLCBrewster, NY 10509-4055
Mailing Address159 Barnegat Rd, Northern Medical Group, PllcPoughkeepsie, NY 12601-5401 · (845) 592-4915
Fax(845) 592-4914
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateMay 19, 2006
Last NPPES UpdateFebruary 11, 20172 updates tracked since enumeration
✔ NPI 1437103090 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in NY · 009491
Definition
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.
111 CLOCK TOWER CMNS, Brewster, NY 10509

Other Identifiers 3

Medicaid02532709NY
Medicare PINA400031284NY
Medicare UPINQ18189

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

Sean C Osullivan Physician Assistant 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 ID244210870
PECOS Enrollment IDI20040723000050
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 10

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 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.
206 services198 patients
Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected 0241U
This test detects the RNA of respiratory viruses, including COVID-19, Influenza A, Influenza B, and Respiratory Syncytial Virus, in an upper respiratory specimen. The test result will report if each virus is detected or not, helping in accurate diagnosis.
62 services62 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.
54 services54 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
41 services39 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
30 services15 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.
27 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10509 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
$95.99 typical visit price
range $61.88 – $187.05
Typical copayment $23.99 (range $15.47 – $46.76)
Most-billed visit code 99203
Established Patient
$76.88 typical visit price
range $19.92 – $151.94
Typical copayment $19.22 (range $4.98 – $37.98)
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.

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.

Internal Medicine (Rheumatology)
111 CLOCK TOWER CMNS
BREWSTER, NY 10509
Internal Medicine (Cardiovascular Disease)
111 CLOCK TOWER CMNS
BREWSTER, NY 10509
Family Medicine
111 CLOCK TOWER CMNS
BREWSTER, NY 10509
Internal Medicine
111 CLOCK TOWER CMNS
BREWSTER, NY 10509
Podiatrist
111 CLOCK TOWER CMNS
BREWSTER, NY 10509
Podiatrist
111 CLOCK TOWER CMNS
BREWSTER, NY 10509
Nurse Practitioner (Family)
111 CLOCK TOWER CMNS
BREWSTER, NY 10509
Internal Medicine (Cardiovascular Disease)
111 CLOCK TOWER CMNS
BREWSTER, NY 10509

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 Sean Osullivan's NPI number?

The NPI number for Sean Osullivan is 1437103090. It was assigned to this individual provider in the NPPES registry on May 19, 2006.

Where is Sean Osullivan located?

Sean Osullivan practices at 111 Clock Tower Cmns Northern Medical Group, PLLC, Brewster, NY 10509. The listed phone number is (845) 592-4915.

What is Sean Osullivan's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Sean Osullivan enrolled in Medicare?

Yes. Sean Osullivan 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.

When was this NPI record last updated?

The NPPES record for Sean Osullivan was last updated on February 11, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.