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DR. CHRISTINE NWAISER
NPI 1063974236
Internal Medicine - Sleep Medicine in Great River, NY

Active since April 04, 2019PECOS EnrolledAccepts Medicare Assignment
100 CHURCH RD, GREAT RIVER, NY 11739(631) 988-2819 Get Directions Write a Review

NPPES record last updated: June 13, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jun 13, 2023, Apr 4, 2019 (2 updates tracked since 2019).

About Dr. Christine Nwaiser NPPES

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

DR. CHRISTINE NWAISER (NPI 1063974236) is an individual sleep medicine provider in Great River, New York, licensed in New York (318032) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with John T Mather Memorial Hospital Of Port Jefferson, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1063974236
Entity TypeIndividualFemale
Primary Taxonomy207RS0012X
Provider Legal NameDR. CHRISTINE NWAISER
Location Address100 CHURCH RDGreat River, NY 11739-3002
Mailing Address100 Church RdGreat River, NY 11739-3002 · (631) 988-2819
Phone(631) 988-2819
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 4, 2019
Last NPPES UpdateJune 13, 20232 updates tracked since enumeration
NPPES CertifiedJune 13, 2023
✔ NPI 1063974236 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
License✔ Licensed in NY · 318032
Definition

An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
100 CHURCH RD, Great River, NY 11739
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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. Christine Nwaiser 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 ID1355701020
PECOS Enrollment IDI20230713002728
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 6

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 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 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.
108 services74 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.
102 services79 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
68 services68 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.
51 services51 patients
Sleep study in sleep lab (6 years or older) 95810
A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.
35 services35 patients
Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811
A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.
32 services32 patients

Hospital Affiliations CMS Care Compare

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

John T Mather Memorial Hospital Of Port Jefferson

Acute Care Hospitals · Port Jefferson, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330185
Location75 North Country RoadPort Jefferson, NY 11777 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11739 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.

Frequently Asked Questions

What is Christine Nwaiser's NPI number?

The NPI number assigned to this healthcare provider is 1063974236, enumerated as an "individual" on April 04, 2019.

Where is the provider located?

The provider is located at 100 CHURCH RD GREAT RIVER, NY 11739 and the phone number is (631) 988-2819.

What is the provider's specialty?

Internal Medicine with taxonomy code 207RS0012X and a focus in Sleep Medicine.

Is Christine Nwaiser affiliated with any hospitals?

Christine Nwaiser is affiliated with: JOHN T MATHER MEMORIAL HOSPITAL OF PORT JEFFERSON.