Doctor profile · Federal record

Dr. Emily Mongan, NP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · West Islip, NY

  • NPI 1598420754
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Montauk Hwy
West Islip, NY 117954927
(631) 376-3000
Mailing address
535 Lakeview Ave
Bayport, NY 117051205

Credentials & registration

NPPES · NUCC
NPI registered
November 2021 — 5 yrs on file
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
New York #310317

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598420754. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
27
Distinct HCPCS
1
Medicare allowed
$2,084
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 27 27 $77

In context: peer comparison

Among 4 peers in West Islip Adult Health Nurse Practitioner, average services per provider: 24. This provider delivers 1.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Emily Mongan's medical specialty?
Dr. Emily Mongan practices Adult Health Nurse Practitioner in West Islip, NY.
Where does Dr. Emily Mongan practice?
Dr. Emily Mongan practices at 1000 Montauk Hwy, West Islip, NY 117954927. Office phone: 6313763000.
What is Dr. Emily Mongan's NPI?
Dr. Emily Mongan's National Provider Identifier (NPI) is 1598420754, issued by NPPES.
Does Dr. Emily Mongan accept Medicare assignment?
Yes. Dr. Emily Mongan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Emily Mongan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.