KATHLEEN M TWOMEY MD
NPI 1780118257
Internal Medicine - Pulmonary Disease in Hershey, PA

Active since April 11, 2017PECOS EnrolledAccepts Medicare Assignment
500 UNIVERSITY DR, HERSHEY, PA 17033(717) 531-7299(717) 531-0089 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 24, 2025, Jun 11, 2020, May 29, 2020 and 1 more (4 updates tracked since 2017).

About Kathleen M Twomey Md NPPES

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

KATHLEEN M TWOMEY MD (NPI 1780118257) is an individual pulmonary disease provider in Hershey, Pennsylvania, licensed in Pennsylvania (MD489034) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Penn State Health Holy Spirit Medical Center, and is a graduate of University Of Maryland School Of Medicine (2017).

NPPES Registry Identity

NPI1780118257
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameKATHLEEN M TWOMEYCredential: MD
Location Address500 UNIVERSITY DRHershey, PA 17033-2360
Mailing Address500 University Dr Mc Ca410Hershey, PA 17033-2360 · (717) 531-5208 · Fax (717) 531-0119
Fax(717) 531-0089
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2017
Enumeration DateApril 11, 2017
Last NPPES UpdateJune 24, 20254 updates tracked since enumeration
NPPES CertifiedJune 24, 2025
NPI 1780118257 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in PA · MD489034
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License 35.139532 (OH)
Also ListedHospitalistTaxonomy 208M00000X · License 35.139532 (OH)
500 UNIVERSITY DR, Hershey, PA 17033

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

Kathleen M Twomey Md 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 ID7416220793
PECOS Enrollment IDI20250626003039
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.

Hospital Affiliations CMS Care Compare 4

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

Penn State Health Holy Spirit Medical Center

Acute Care Hospitals · Camp Hill, PA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390004
Location503 North 21st StreetCamp Hill, PA 17011 · Cumberland County
Emergency services

Lancaster General Hospital

Acute Care Hospitals · Lancaster, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390100
Location555 North Duke StreetLancaster, PA 17602 · Lancaster County
Emergency services Birthing friendly

Milton S Hershey Medical Center

Acute Care Hospitals · Hershey, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390256
Location500 University DriveHershey, PA 17033 · Dauphin County
Emergency services Birthing friendly

Penn State Health Lancaster Medical Center

Acute Care Hospitals · Lancaster, PA
OwnershipVoluntary non-profit - Private
CMS Certification Number390339
Location2160 State RoadLancaster, PA 17601 · Lancaster County
Emergency services Birthing friendly

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.

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 Kathleen Twomey's NPI number?

The NPI number for Kathleen Twomey is 1780118257. It was assigned to this individual provider in the NPPES registry on April 11, 2017.

Where is Kathleen Twomey located?

Kathleen Twomey practices at 500 University Dr, Hershey, PA 17033. The listed phone number is (717) 531-7299.

What is Kathleen Twomey's specialty?

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

Is Kathleen Twomey enrolled in Medicare?

Yes. Kathleen Twomey 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 Kathleen Twomey affiliated with any hospitals?

According to CMS data, Kathleen Twomey is affiliated with Penn State Health Holy Spirit Medical Center, Lancaster General Hospital, Milton S Hershey Medical Center and Penn State Health Lancaster Medical Center.

When was this NPI record last updated?

The NPPES record for Kathleen Twomey was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.