NPPES file of Aug 9, 2026

Thomas Joseph Ziemba, DO

Emergency Medicine Physician · Langhorne, PA

Thomas Joseph Ziemba, DO is an emergency medicine physician with a practice address in Langhorne, Pennsylvania, and NPI 1922039379, issued on Jul 5, 2006. Check the license (Pennsylvania OS005906L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922039379
Name
Thomas Joseph Ziemba
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
OS005906L PA
Self-reported in NPPES; status is on the state search
Practice location
1202 Langhorne Newtown RD, Langhorne, PA 19047
Phone
(215) 710-2000
Enumerated
Jul 5, 2006
Record last updated
Jul 17, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20051221000176); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 1985
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1202 Langhorne Newtown RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alice Cotler, PA-CPhysician Assistant1467483990
  2. Shawn Dooley, PA-CPhysician Assistant1467494450
  3. Joan Gable, DOEmergency Medicine Physician1295776367
  4. Gary Glassman, MDEmergency Medicine Physician1255371969
  5. Edward Holub, MDEmergency Medicine Physician1407803695
  6. Regis Schladenhaufen, D.O.Emergency Medicine Physician1033325329

Verify Thomas Joseph Ziemba in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license OS005906L
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

20% more Medicare Part D claims than the average emergency medicine physician in 2024

271 Medicare Part D claims for 133 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Thomas Ziemba271
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt114 claims
  2. Prednisone42 claims
  3. Oxycodone Hcl24 claims
  4. Cephalexin18 claims
  5. Amoxicillin-Clavulanate Potass13 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 77.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score90.1
  2. Costout of 100 · 30%36.3
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Emergency Care Services OF Pennsylvania PCWellsboro, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thomas Joseph Ziemba among 3,911 emergency medicine physician records in Pennsylvania

Thomas Joseph Ziemba, DO is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 69% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1985 · median 2013 among the 2,231 with a school on file
  • Record last updated2007 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 emergency medicine physician records list a practice address in Langhorne

They are 21 of the 1,457 NPPES records with a practice address in Langhorne, and 3,911 emergency medicine physician records in Pennsylvania.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Thomas Dienna, D.O.Langhorne, PA 190471144433913
  2. Joan Gable, DOLanghorne, PA 190471295776367
  3. Gary Glassman, MDLanghorne, PA 190471255371969
  4. Edward Holub, MDLanghorne, PA 190471407803695
  5. Jonathan Hornstein, MDLanghorne, PA 190471144254723
  6. Joanne Kambolis, MDLanghorone, PA 190471184642126
  7. Huma Kausar, D.O.Langhorne, PA 190471760649651
  8. Sheila Kelly, MDLanghorne, PA 190471689604076

Common questions

What is Thomas Joseph Ziemba, DO's NPI number?

Thomas Joseph Ziemba, DO's National Provider Identifier (NPI) is 1922039379, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Joseph Ziemba, DO located?

The NPPES record lists a practice address at 1202 Langhorne Newtown RD, Langhorne, PA, 19047. Phone: (215) 710-2000. Providers update this record themselves, so call before visiting.

How can I verify Thomas Joseph Ziemba, DO's license?

NPPES lists Pennsylvania license number OS005906L, 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 Thomas Joseph Ziemba, DO prescribe under Medicare Part D?

In 2024, Thomas Joseph Ziemba, DO had 271 Medicare Part D claims for 133 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Thomas Joseph Ziemba, DO's MIPS final score?

The 2023 MIPS final score is 77.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.