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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. BELINDA OYINKAN MARQUIS M.D.
NPI 1386840999
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Hawthorne, NY

Active since June 21, 2007PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
40 SAW MILL RIV RD STE FB1, HAWTHORNE, NY 10532(914) 768-3970 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 30, 2026, Mar 16, 2026, Dec 31, 2025 (3 updates tracked since 2025).

About Dr. Belinda Oyinkan Marquis M.d. NPPES

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

DR. BELINDA OYINKAN MARQUIS M.D. (NPI 1386840999) is an individual neurology with special qualifications in child neurology provider in Hawthorne, New York, licensed in New York (260398) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS, is affiliated with Nyack Hospital, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (2007).

NPPES Registry Identity

NPI1386840999
Entity TypeIndividualFemale
Primary Taxonomy2084N0402X
Provider Legal NameDR. BELINDA OYINKAN MARQUISCredential: M.D.
Location Address40 SAW MILL RIV RD STE FB1Hawthorne, NY 10532-1528
Mailing Address400 Columbus Ave Ste 200eValhalla, NY 10595-1392 · (914) 614-4200
Phone(914) 768-3970
Sole ProprietorNo
Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 2007
Enumeration DateJune 21, 2007
Last NPPES UpdateJune 24, 20263 updates tracked since enumeration
NPPES CertifiedJune 24, 2026
✔ NPI 1386840999 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
License✔ Licensed in NY · 260398
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
Also ListedPsychiatry & Neurology · EpilepsyTaxonomy 2084E0001X · License 260398 (NY)
40 SAW MILL RIV RD STE FB1, Hawthorne, NY 10532
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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

Dr. Belinda Oyinkan Marquis M.d. 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 ID7315189925
PECOS Enrollment IDI20150915002244
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.

Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional 95720
This procedure monitors brain wave activity over 12-26 hours using Video EEG (VEEG). It involves recording brain waves and video to detect irregularities. A healthcare professional will review the data and provide a report. It's non-invasive and safe.
331 services169 patients
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.
272 services140 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
130 services124 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.
52 services50 patients
Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional 95718
This procedure, known as a Video EEG (VEEG), records brain wave activity for 2-12 hours. It involves attaching electrodes to your scalp and monitoring brain waves while a video records your actions. This helps health professionals understand and diagnose neurological issues.
26 services26 patients

Hospital Affiliations CMS Care Compare 2

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

Nyack Hospital

Acute Care Hospitals · Nyack, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330104
Location160 North Midland AvenueNyack, NY 10960 · Rockland County
Birthing friendly

White Plains Hospital Center

Acute Care Hospitals · White Plains, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330304
Location41 East Post R0adWhite Plains, NY 10601 · Westchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10532 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.

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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability94
Improvement Activities40

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 Belinda Marquis's NPI number?

The NPI number for Belinda Marquis is 1386840999. It was assigned to this individual provider in the NPPES registry on June 21, 2007.

Where is Belinda Marquis located?

Belinda Marquis practices at 40 Saw Mill Riv Rd Ste Fb1, Hawthorne, NY 10532. The listed phone number is (914) 768-3970.

What is Belinda Marquis's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Is Belinda Marquis enrolled in Medicare?

Yes. Belinda Marquis 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 Belinda Marquis affiliated with any hospitals?

According to CMS data, Belinda Marquis is affiliated with Nyack Hospital and White Plains Hospital Center.

When was this NPI record last updated?

The NPPES record for Belinda Marquis was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 days 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.