OLIVIA RENEE DEMARCO
NPI 1962019760
Physician Assistant in Riverhead, NY

Active since September 25, 2020PECOS EnrolledAccepts Medicare Assignment
91.25/100
CMS Quality Rating
64 COMMERCE AVE, RIVERHEAD, NY 11901(631) 369-5000 Get Directions Write a Review

NPPES record last updated: November 9, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 9, 2020, Sep 25, 2020 (2 updates tracked since 2020).

About Olivia Renee Demarco NPPES

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

OLIVIA RENEE DEMARCO (NPI 1962019760) is an individual physician assistant in Riverhead, New York, licensed in New York (025666) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS, is affiliated with Peconic Bay Medical Center, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1962019760
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameOLIVIA RENEE DEMARCO
Location Address64 COMMERCE AVERiverhead, NY 11901-4455
Mailing Address10 Barnsley CresMount Sinai, NY 11766-2800 · (631) 566-6446
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateSeptember 25, 2020
Last NPPES UpdateNovember 9, 20202 updates tracked since enumeration
NPPES CertifiedNovember 9, 2020
NPI 1962019760 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 · 025666
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.
64 COMMERCE AVE, Riverhead, NY 11901

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

Olivia Renee Demarco 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 ID8921411190
PECOS Enrollment IDI20210107000528
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 11

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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
2,680 services254 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
791 services355 patients
Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose J7323
Hyaluronan or Euflexxa is a substance similar to a natural substance in your joints. It's injected into the joint space to treat pain from osteoarthritis, especially in the knee. It helps to lubricate the joint, reducing pain and improving mobility.
518 services146 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.
478 services354 patients
X-ray of knee, 4 or more views 73564
An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.
249 services246 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.
213 services192 patients

Hospital Affiliations CMS Care Compare 2

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

Peconic Bay Medical Center

Acute Care Hospitals · Riverhead, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330107
Location1 Heros WayRiverhead, NY 11901 · Suffolk County
Emergency services 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 11901 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.92
Promoting Interoperability91.67
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 2

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

Walker, folding, wheeled, adjustable or fixed height E0143
DME-Other DME · category DE000N
3 suppliers41 claims41 services$39.07 avg. paid by Medicare
Knee orthosis, adjustable knee joints (unicentric or polycentric), positional orthosis, rigid support, prefabricated, off-the shelf L1833
DME-Orthotic Devices · category DF011N
1 supplier24 claims24 services$463.48 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 3

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

Orthopaedic Surgery
64 COMMERCE AVE
RIVERHEAD, NY 11901
Physician Assistant (Medical)
64 COMMERCE AVE
RIVERHEAD, NY 11901
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
64 COMMERCE AVE
RIVERHEAD, NY 11901

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 Olivia Demarco's NPI number?

The NPI number for Olivia Demarco is 1962019760. It was assigned to this individual provider in the NPPES registry on September 25, 2020.

Where is Olivia Demarco located?

Olivia Demarco practices at 64 Commerce Ave, Riverhead, NY 11901. The listed phone number is (631) 369-5000.

What is Olivia Demarco's specialty?

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

Is Olivia Demarco enrolled in Medicare?

Yes. Olivia Demarco 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 Olivia Demarco affiliated with any hospitals?

According to CMS data, Olivia Demarco is affiliated with Peconic Bay Medical Center and Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Olivia Demarco was last updated on November 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.