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MARISSA MCCARRON PA
NPI 1689804593
Physician Assistant in Islandia, NY

Active since July 27, 2009PECOS EnrolledAccepts Medicare Assignment
3001 EXPRESSWAY DR N STE 104, ISLANDIA, NY 11749(631) 435-0110 Get Directions Write a Review

NPPES record last updated: March 26, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Marissa Mccarron Pa NPPES

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

MARISSA MCCARRON PA (NPI 1689804593) is an individual physician assistant in Islandia, New York and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS, is affiliated with St Charles Hospital, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1689804593
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARISSA MCCARRONCredential: PA
Location Address3001 EXPRESSWAY DR N STE 104Islandia, NY 11749-5301
Mailing Address35 Perri CirMiddle Island, NY 11953-2660
Phone(631) 435-0110
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateJuly 27, 2009
Last NPPES UpdateMarch 26, 2019
✔ NPI 1689804593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
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.
3001 EXPRESSWAY DR N STE 104, Islandia, NY 11749
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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

Marissa Mccarron Pa 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 ID8123203056
PECOS Enrollment IDI20110419000780
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 5

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
104 services94 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.
56 services50 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.
27 services27 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.
26 services26 patients
Insertion of needle into vein (3 years or older) 36410
This procedure involves placing a small needle into a vein, typically in the arm. It's done to collect blood for testing or to deliver medication. You may feel a quick pinch, but it's usually over in seconds. It's a common, safe procedure.
19 services19 patients

Hospital Affiliations CMS Care Compare

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11749 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
3 suppliers13 claims14 services$6.14 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

MRS. KRISTIN MARIE KELLY ANP-C
Nurse Practitioner (Adult Health)
3001 EXPRESSWAY DR N STE 104
ISLANDIA, NY 11749
Suffolk County (631) 758-3100

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 Marissa Mccarron's NPI number?

The NPI number for Marissa Mccarron is 1689804593. It was assigned to this individual provider in the NPPES registry on July 27, 2009.

Where is Marissa Mccarron located?

Marissa Mccarron practices at 3001 Expressway Dr N Ste 104, Islandia, NY 11749. The listed phone number is (631) 435-0110.

What is Marissa Mccarron's specialty?

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

Is Marissa Mccarron enrolled in Medicare?

Yes. Marissa Mccarron 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 Marissa Mccarron affiliated with any hospitals?

According to CMS data, Marissa Mccarron is affiliated with St Charles Hospital.

When was this NPI record last updated?

The NPPES record for Marissa Mccarron was last updated on March 26, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.