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DR. CRYSTAL MICHAELIDES DO
NPI 1811575640
Emergency Medicine in West Islip, NY

Active since April 01, 2021PECOS EnrolledAccepts Medicare Assignment
1000 MONTAUK HWY, WEST ISLIP, NY 11795(631) 376-4045(631) 376-3420 Get Directions Write a Review

NPPES record last updated: March 17, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 17, 2025, Apr 30, 2024, Apr 1, 2021 (3 updates tracked since 2021).

About Dr. Crystal Michaelides Do NPPES

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

DR. CRYSTAL MICHAELIDES DO (NPI 1811575640) is an individual emergency medicine provider in West Islip, New York, licensed in New York (329749-01) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Good Samaritan Hospital Medical Center, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2021).

NPPES Registry Identity

NPI1811575640
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. CRYSTAL MICHAELIDESCredential: DO
Location Address1000 MONTAUK HWYWest Islip, NY 11795-4927
Mailing Address1000 Montauk HwyWest Islip, NY 11795-4927 · Fax (631) 376-3420
Phone(631) 376-4045
Fax(631) 376-3420
Sole ProprietorNo
Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 2021
Enumeration DateApril 1, 2021
Last NPPES UpdateMarch 17, 20253 updates tracked since enumeration
NPPES CertifiedMarch 13, 2025
✔ NPI 1811575640 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in NY · 329749-01
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1000 MONTAUK HWY, West Islip, NY 11795
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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. Crystal Michaelides Do 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 ID6507213683
PECOS Enrollment IDI20240802003456
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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
122 services119 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
66 services66 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.
17 services17 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
15 services15 patients

Hospital Affiliations CMS Care Compare

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

Good Samaritan Hospital Medical Center

Acute Care Hospitals · West Islip, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330286
Location1000 Montauk HighwayWest Islip, NY 11795 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11795 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
$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.

Other Providers at the Same Location NPPES 20

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

DR. ANTHONY NGUYEN MD
Obstetrics & Gynecology
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-4163
LAUREN MARIE CHOBAN DO
Emergency Medicine
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
MISS MUNMUN AZIZ MD
Student in an Organized Health Care Education/Training Program
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (929) 340-5665
TERENCE JAMES OMALLEY MD
Anesthesiology
1000 MONTAUK HWY, GOOD SAMARITAN HOSPITAL MEDICAL CENTER
WEST ISLIP, NY 11795
Suffolk County (631) 376-4088
PIOTR PAPUZINSKI MD
Internal Medicine
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
LAURIE WATERS PA
Physician Assistant
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
SHELLEY MATSON RN
Registered Nurse
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
RIDDA MANZOOR MD
Student in an Organized Health Care Education/Training Program
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-4163

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 Crystal Michaelides's NPI number?

The NPI number for Crystal Michaelides is 1811575640. It was assigned to this individual provider in the NPPES registry on April 1, 2021.

Where is Crystal Michaelides located?

Crystal Michaelides practices at 1000 Montauk Hwy, West Islip, NY 11795. The listed phone number is (631) 376-4045.

What is Crystal Michaelides's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Crystal Michaelides enrolled in Medicare?

Yes. Crystal Michaelides 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 Crystal Michaelides affiliated with any hospitals?

According to CMS data, Crystal Michaelides is affiliated with Good Samaritan Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Crystal Michaelides was last updated on March 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.