Doctor profile · Federal record

Dr. Christine Nwaiser

Sleep Medicine (Internal Medicine) Physician (CMS: Sleep Medicine) · Student in an Organized Health Care Education/Training Program · Great River, NY

  • NPI 1063974236
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Church RD
Great River, NY 117393002
(631) 988-2819

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
June 13, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RS0012X — NUCC code
State license (1)
New York #318032

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063974236. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
73
Distinct HCPCS
3
Medicare allowed
$9,553
HCPCS Description Services Patients Avg allowed
99203 New patient office or other outpatient visit, 30-44 minutes 42 42 $130
99213 Established patient office or other outpatient visit, 20-29 minutes 19 18 $101
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $180

In context: peer comparison

Among 1 peers in Great River Sleep Medicine (Internal Medicine) Physician, average services per provider: 24. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$546
Transactions
9
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Inspire Medical Systems, INC. 6 $246.95
Abbvie INC. 2 $174.27
Harmony Biosciences LLC 1 $125.00

By nature of payment

Food and Beverage
$546

Frequently asked questions

Auto-generated from federal data
What is Dr. Christine Nwaiser's medical specialty?
Dr. Christine Nwaiser practices Sleep Medicine (Internal Medicine) Physician in Great River, NY.
Where does Dr. Christine Nwaiser practice?
Dr. Christine Nwaiser practices at 100 Church RD, Great River, NY 117393002. Office phone: 6319882819.
What is Dr. Christine Nwaiser's NPI?
Dr. Christine Nwaiser's National Provider Identifier (NPI) is 1063974236, issued by NPPES.
Does Dr. Christine Nwaiser accept Medicare assignment?
Yes. Dr. Christine Nwaiser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christine Nwaiser commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.