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ELIZABETH CALLAHAN PA
NPI 1578855565
Physician Assistant in West Islip, NY

Active since May 09, 2011PECOS EnrolledAccepts Medicare Assignment
1000 MONTAUK HWY, A2, WEST ISLIP, NY 11795(631) 376-4318 Get Directions Write a Review

NPPES record last updated: March 16, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Elizabeth Callahan Pa NPPES

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

ELIZABETH CALLAHAN PA (NPI 1578855565) is an individual physician assistant in West Islip, New York, licensed in New York (014696-1) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, is affiliated with Good Samaritan Hospital Medical Center, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1578855565
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameELIZABETH CALLAHANCredential: PA
Location Address1000 MONTAUK HWY, A2West Islip, NY 11795-4927
Mailing Address1000 Montauk Hwy, A2West Islip, NY 11795-4927 · (631) 376-4318
Phone(631) 376-4318
Sole ProprietorYes
Medical School CMSOtherGraduated 2010
Enumeration DateMay 9, 2011
Last NPPES UpdateMarch 16, 2016
✔ NPI 1578855565 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in NY · 014696-1
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
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

Elizabeth Callahan Pa 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 ID1658543319
PECOS Enrollment IDI20111003000180
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 3

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.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
1,081 services678 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
228 services167 patients
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305
An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.
11 services11 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
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
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 Elizabeth Callahan's NPI number?

The NPI number for Elizabeth Callahan is 1578855565. It was assigned to this individual provider in the NPPES registry on May 9, 2011.

Where is Elizabeth Callahan located?

Elizabeth Callahan practices at 1000 Montauk Hwy A2, West Islip, NY 11795. The listed phone number is (631) 376-4318.

What is Elizabeth Callahan's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Elizabeth Callahan enrolled in Medicare?

Yes. Elizabeth Callahan 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 Elizabeth Callahan affiliated with any hospitals?

According to CMS data, Elizabeth Callahan is affiliated with Good Samaritan Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Elizabeth Callahan was last updated on March 16, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.