Lisa M. Zahn, M.D.
Emergency Medicine Physician · Horsham, PA
Lisa M. Zahn, M.D. is an emergency medicine physician with a practice address in Horsham, Pennsylvania, and NPI 1376715375, issued on Mar 31, 2008. Check the license on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Lisa M. Zahn
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- C183028 CA
25MA08336500 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 100 Witmer RD, Horsham, PA 19044
- Phone
- (914) 374-6104
- Enumerated
- Mar 31, 2008
- Record last updated
- Sep 20, 2024
- Medicare enrollment
- Enrolled (PECOS I20081027000631); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 100 Witmer RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark EnzerraPhysician Assistant1073823365
- Antonio Grasso, MDStudent in an Organized Health Care Education/Training Program1497930408
- Maria Hawkins, PA-CPhysician Assistant1447547823
- Bernadette Martini, PA-CPhysician Assistant1962711671
- Lauren Rengen, NP-CBasic Emergency Medical Technician1457687535
- Aradia Tabasko, MS, PA-CPhysician Assistant1487094967
Verify Lisa M. Zahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)Check the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% more Medicare Part D claims than the average emergency medicine physician in 2024
450 Medicare Part D claims for 316 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 23 claims were for opioids.
Most prescribed
- Cefadroxil37 claims
- Ondansetron Odt34 claims
- Doxycycline Hyclate28 claims
- Albuterol Sulfate Hfa22 claims
- Amlodipine Besylate21 claims
- Prednisone20 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.
Industry payments in 2024: $29.68
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 5 group practices
- Alameda Health SystemSan Leandro, CA
- Barron Emergency Physicians LLCNorth Bergen, NJ
- Emergency Physicians Associates San Jose PCSan Jose, CA
- Morristown Emergency Medical Associates LLCMorristown, NJ
- Permanente Medical Group IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lisa M. Zahn among 3,911 emergency medicine physician records in Pennsylvania
Lisa M. Zahn, M.D. 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 2008, is newer than 38% of them.
- NPI issued2008 · 38% of these records are older, 57% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2004 · median 2013 among the 2,231 with a school on file
- Record last updated2024 · 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).
Emergency Medicine Physician providers in Pennsylvania
There are 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Horsham → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Michael Bell, MDHorsham, PA 190441316987464
- Highland Campbell, MDHorsham, PA 190441043270143
- Kevin-Sean McGann, D.O.Horsham, PA 190441225087729
- Eric Gonzalez, M.D.Meadowbrook, PA 190461669452942
- Michael Lucca, MDMeadowbrook, PA 190461790787638
- Iryna Matkovska, D.O.Meadowbrook, PA 190461265847891
- Andrew Perechocky, M.D.Meadowbrook, PA 190461497098149
- Perry Pitkow, MDMeadowbrook, PA 190461639171648
Common questions
What is Lisa M. Zahn, M.D.'s NPI number?
Lisa M. Zahn, M.D.'s National Provider Identifier (NPI) is 1376715375, issued on Mar 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Lisa M. Zahn, M.D. located?
The NPPES record lists a practice address at 100 Witmer RD, Horsham, PA, 19044. Phone: (914) 374-6104. Providers update this record themselves, so call before visiting.
How can I verify Lisa M. Zahn, M.D.'s license?
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 Lisa M. Zahn, M.D. prescribe under Medicare Part D?
In 2024, Lisa M. Zahn, M.D. had 450 Medicare Part D claims for 316 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.