Kathleen M. Twomey, MD
Pulmonary Disease Physician · Hershey, PA
Kathleen M. Twomey, MD is a pulmonary disease physician with a practice address in Hershey, Pennsylvania, and NPI 1780118257, issued on Apr 11, 2017. Check the license (Pennsylvania MD489034, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Kathleen M. Twomey
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- MD489034 PA
35.139532 OH
Self-reported in NPPES; status is on the state search - Practice location
- 500 University Dr, Hershey, PA 17033
- Phone
- (717) 531-7299
- Enumerated
- Apr 11, 2017
- Record last updated
- Jun 24, 2025
- Fax
- (717) 531-0089
- Medicare enrollment
- Enrolled (PECOS I20250626003039); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 779 in Pennsylvania → Look up another NPI →
Also registered at 500 University Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Victor Abarca, CRNACertified Registered Nurse Anesthetist1003575853
- Aiza Abbas, MDStudent in an Organized Health Care Education/Training Program1164312500
- Fatemeh Abbasi, MDPulmonary Disease Physician1750878625
- Andrea Abbe, LDNRegistered Dietitian1366623795
- Mahdi Abdallah, MDStudent in an Organized Health Care Education/Training Program1497457360
- Ashraf Abdelhalim, MDAnesthesiology Physician1356931729
Verify Kathleen M. Twomey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD489034Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
381 Medicare Part D claims for 40 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Montelukast Sodium62 claims
- Albuterol Sulfate Hfa43 claims
- Budesonide-Formoterol Fumarate25 claims
- Famotidine25 claims
- Trelegy Ellipta25 claims
- Pantoprazole Sodium23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- The Milton S Hershey Medical Center Physicians GroupHershey, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen M. Twomey among 779 pulmonary disease physician records in Pennsylvania
Kathleen M. Twomey, MD is one of 779 pulmonary disease physician records with a practice address in Pennsylvania. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 88% of them.
- NPI issued2017 · 88% of these records are older, 8% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2017 · median 2003 among the 568 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Pennsylvania
There are 779 pulmonary disease physician records in Pennsylvania.
All 779 in Pennsylvania → Every provider in Hershey → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Danish Ahmad, MDHershey, PA 170331609162445
- Rebecca Bascom, M.D.Hershey, PA 170331548214083
- Richard Bernstein, M.D.Hershey, PA 170331245498831
- David Chu, M.D.Hershey, PA 170331164715389
- Janette Foster, MDHershey, PA 170331669507778
- Kevin Gleeson, MDHershey, PA 170331841249125
- Philippe Haouzi, MDHershey, PA 170331275658080
- Judie Howrylak, M.D.Hershey, PA 170331932348406
Common questions
What is Kathleen M. Twomey, MD's NPI number?
Kathleen M. Twomey, MD's National Provider Identifier (NPI) is 1780118257, issued on Apr 11, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen M. Twomey, MD located?
The NPPES record lists a practice address at 500 University Dr, Hershey, PA, 17033. Phone: (717) 531-7299. Providers update this record themselves, so call before visiting.
How can I verify Kathleen M. Twomey, MD's license?
NPPES lists Pennsylvania license number MD489034, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kathleen M. Twomey, MD prescribe under Medicare Part D?
In 2024, Kathleen M. Twomey, MD had 381 Medicare Part D claims for 40 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.