Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARGARET M WOJNAR MD
NPI 1417906603
Internal Medicine - Pulmonary Disease in Hershey, PA

Active since May 08, 2006PECOS Enrolled
71.78/100
CMS Quality Rating
500 UNIVERSITY DR, HERSHEY, PA 17033(800) 243-1455 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Margaret M Wojnar Md NPPES

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

MARGARET M WOJNAR MD (NPI 1417906603) is an individual pulmonary disease provider in Hershey, Pennsylvania, licensed in Pennsylvania (MD061767L) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417906603
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameMARGARET M WOJNARCredential: MD
Location Address500 UNIVERSITY DRHershey, PA 17033-2360
Mailing AddressPo Box 854, Mc A410Hershey, PA 17033-0854 · (717) 531-5995
Sole ProprietorNo
Enumeration DateMay 8, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1417906603 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in PA · MD061767L
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
500 UNIVERSITY DR, Hershey, PA 17033

Other Identifiers 1

Medicaid0016493590002PA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Margaret M Wojnar Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 11

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.

Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
159 services151 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
140 services128 patients
Test to determine lung volumes using sensors 94726
This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.
112 services109 patients
Test to measure expiratory airflow and volume changes before and after medication administration 94060
This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.
106 services104 patients
Test for exercise-induced lung stress 94618
An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.
63 services60 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
45 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17033 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
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

71.78/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality48.32
Promoting Interoperability100
Improvement Activities40
Cost57.63

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.

Physician Assistant
500 UNIVERSITY DR
HERSHEY, PA 17033
Internal Medicine
500 UNIVERSITY DR, H088
HERSHEY, PA 17033
Otolaryngology
500 UNIVERSITY DR
HERSHEY, PA 17033
Surgery (Trauma Surgery)
500 UNIVERSITY DR
HERSHEY, PA 17033
Anesthesiology (Critical Care Medicine)
500 UNIVERSITY DR, BOX 3951, DAVISON BLDG, TRENT DRIVE
HERSHEY, PA 17033
Pathology (Clinical Pathology/Laboratory Medicine)
500 UNIVERSITY DR, HERSHEY MEDICAL CENTER
HERSHEY, PA 17033
Family Medicine
500 UNIVERSITY DR
HERSHEY, PA 17033
Pediatrics (Pediatric Endocrinology)
500 UNIVERSITY DR
HERSHEY, PA 17033

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 Margaret Wojnar's NPI number?

The NPI number for Margaret Wojnar is 1417906603. It was assigned to this individual provider in the NPPES registry on May 8, 2006.

Where is Margaret Wojnar located?

Margaret Wojnar practices at 500 University Dr, Hershey, PA 17033. The listed phone number is (800) 243-1455.

What is Margaret Wojnar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Margaret Wojnar enrolled in Medicare?

Yes. Margaret Wojnar is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Margaret Wojnar was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.