MARY-STEWART WILLSIE D.O.
NPI 1780818377
Emergency Medicine in Newark, DE

Q: What is Mary-stewart Willsie's NPI number?

The NPI number for Mary-stewart Willsie is 1780818377. It was assigned to this individual provider in the NPPES registry on May 11, 2009.

Q: What is Mary-stewart Willsie's specialty?

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

Active since May 11, 2009PECOS EnrolledAccepts Medicare Assignment

4755 OGLETOWN STANTON RD, NEWARK, DE 19718(130) 273-3100 Get Directions Write a Review

NPPES record last updated: July 25, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Mary-stewart Willsie D.o. NPPES

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

MARY-STEWART WILLSIE D.O. (NPI 1780818377) is an individual emergency medicine provider in Newark, Delaware, licensed in Delaware (C7-0004280) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS, is affiliated with Main Line Hospital Lankenau, and is a graduate of Kansas City University Of Physicians And Surgeons (2009).

NPPES Registry Identity

NPI1780818377

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameMARY-STEWART WILLSIECredential: D.O.

Location Address4755 OGLETOWN STANTON RDNewark, DE 19718-0001

Mailing Address4755 Ogletown Stanton RdNewark, DE 19718-0001 · (130) 273-3100

Phone(130) 273-3100

Sole ProprietorYes

Medical School CMSKansas City University Of Physicians And SurgeonsGraduated 2009

Enumeration DateMay 11, 2009

Last NPPES UpdateJuly 25, 2013

✔ NPI 1780818377 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in DE · C7-0004280

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.

4755 OGLETOWN STANTON RD, Newark, DE 19718

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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

Mary-stewart Willsie D.o. 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 ID4183856164

PECOS Enrollment IDI20140627001532

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 12

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.

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.

267 services259 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

53 services53 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

47 services47 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

46 services46 patients

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.

46 services45 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

43 services43 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

27 services27 patients

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

26 services26 patients

Administration of vaccine 90471

Administering a vaccine involves injecting a small, safe piece of a virus or bacteria into your body. This triggers your immune system to recognize and fight off the disease in the future. It's a vital tool in preventing serious illnesses and maintaining public health.

19 services16 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.

16 services16 patients

Blood glucose (sugar) test performed by hand-held instrument 82962

A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.

12 services12 patients

Diphtheria, tetanus, and acellular pertussis vaccine (7 years or older) 90715

The Diphtheria, Tetanus, and Acellular Pertussis vaccine, also known as Tdap, is an immunization given to protect against three serious diseases. It's recommended for those aged 7 or older. The vaccine stimulates your body to build defenses against these infections, promoting overall health.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Main Line Hospital Lankenau

Acute Care Hospitals · Wynnewood, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390195

Location100 Lancaster AveWynnewood, PA 19096 · Montgomery County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19718 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

$88.37 typical visit price

range $57.12 – $173.08

Typical copayment $22.09 (range $14.28 – $43.27)

Most-billed visit code 99203

Established Patient

$100.68 typical visit price

range $18.36 – $141.05

Typical copayment $25.17 (range $4.59 – $35.26)

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.

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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.

ALICIA RENEE EDELBLUTE PA-C

Physician Assistant (Medical)

4755 OGLETOWN STANTON RD
NEWARK, DE 19718

New Castle County (610) 406-7662

ADEYOYIN R ESAKA FNP

Nurse Practitioner

4755 OGLETOWN STANTON RD, ROOM E1070 CENTER FOR HEART & VASCULAR HEALTH AT CHRIST
NEWARK, DE 19718

New Castle County (302) 623-1929

DR. SEPEHR SEDIGH HAGHIGHAT MD

Emergency Medicine

4755 OGLETOWN STANTON RD
NEWARK, DE 19718

New Castle County (302) 733-3901

ZAID A AMMARI M.D. M.P.H.

Internal Medicine (Cardiovascular Disease)

4755 OGLETOWN STANTON RD
NEWARK, DE 19718

New Castle County (302) 733-1000

MURIEL P JURASEVICH CRNP

Nurse Practitioner (Acute Care)

4755 OGLETOWN STANTON RD
NEWARK, DE 19718

New Castle County (302) 733-1000

JOHN ANDREW POLLOCK

Student in an Organized Health Care Education/Training Program

4755 OGLETOWN STANTON RD
NEWARK, DE 19718

New Castle County (800) 693-2273

MATTHEW JOSEPH HOMISHAK CRNA

Nurse Anesthetist, Certified Registered

4755 OGLETOWN STANTON RD
NEWARK, DE 19718

New Castle County (302) 733-1000

MR. THOMAS MICHAEL CARLSON MSN, CRNA

Nurse Anesthetist, Certified Registered

4755 OGLETOWN STANTON RD
NEWARK, DE 19718

New Castle County (302) 733-1000

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 Mary-stewart Willsie's NPI number?

The NPI number for Mary-stewart Willsie is 1780818377. It was assigned to this individual provider in the NPPES registry on May 11, 2009.

Where is Mary-stewart Willsie located?

Mary-stewart Willsie practices at 4755 Ogletown Stanton Rd, Newark, DE 19718. The listed phone number is (130) 273-3100.

What is Mary-stewart Willsie's specialty?

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

Is Mary-stewart Willsie enrolled in Medicare?

Yes. Mary-stewart Willsie 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 Mary-stewart Willsie affiliated with any hospitals?

According to CMS data, Mary-stewart Willsie is affiliated with Main Line Hospital Lankenau.

When was this NPI record last updated?

The NPPES record for Mary-stewart Willsie was last updated on July 25, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.