David N. Horwich, MD
Hospitalist Physician · Malvern, PA
David N. Horwich, MD is a hospitalist physician with a practice address in Malvern, Pennsylvania, and NPI 1972697274, issued on Oct 3, 2006. Check the license (Pennsylvania MD052360L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- David N. Horwich
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- MD052360L PA
Self-reported in NPPES; status is on the state search - Practice location
- 414 Paoli Pike, Malvern, PA 19355
- Phone
- (610) 640-3943
- Enumerated
- Oct 3, 2006
- Record last updated
- Nov 30, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid IDs
- 000914001 DE
001471635003 PA - Medicare enrollment
- Enrolled (PECOS I20101022001270); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,424 in Pennsylvania → Look up another NPI →
Also registered at 414 Paoli Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katherine Borst, M.D.Physical Medicine & Rehabilitation Physician1225486319
- Cris Chambers, PSYDClinical Psychologist1275750788
- Jessica Connell, CRNPFamily Nurse Practitioner1922475912
- Sharada Damaraju, PSY DRehabilitation Psychologist1942383047
Verify David N. Horwich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD052360LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average hospitalist physician in 2024
299 Medicare Part D claims for 56 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium17 claims
- Pantoprazole Sodium17 claims
- Amlodipine Besylate15 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
- Medical Associates OF The Main Line, PCMalvern, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David N. Horwich among 1,424 hospitalist physician records in Pennsylvania
David N. Horwich, MD is one of 1,424 hospitalist physician records with a practice address in Pennsylvania. 94% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 83% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated1986 · median 2011 among the 1,236 with a school on file
- Record last updated2017 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Pennsylvania
There are 1,424 hospitalist physician records in Pennsylvania.
All 1,424 in Pennsylvania → Every provider in Malvern → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Jeanne Lasota, MDMalvern, PA 193551881755874
- Scott Sapperstein, MDMalvern, PA 193551235223454
- Yuan Li Zhang, M.D.Malvern, PA 193551790920999
- Swarnalatha Neema, MDKennett Square, PA 193481033302120
- Lisa Black, MDWest Chester, PA 193801730152653
- Renata Burigatto, M.D.West Chester, PA 193801760503239
- Pamela Cines, MDWest Chester, PA 193801942406111
- Swapna Gummadi, MDWest Chester, PA 193801962632638
Common questions
What is David N. Horwich, MD's NPI number?
David N. Horwich, MD's National Provider Identifier (NPI) is 1972697274, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David N. Horwich, MD located?
The NPPES record lists a practice address at 414 Paoli Pike, Malvern, PA, 19355. Phone: (610) 640-3943. Providers update this record themselves, so call before visiting.
How can I verify David N. Horwich, MD's license?
NPPES lists Pennsylvania license number MD052360L, 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 David N. Horwich, MD prescribe under Medicare Part D?
In 2024, David N. Horwich, MD had 299 Medicare Part D claims for 56 beneficiaries; the average among hospitalist physician prescribers was 521. 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.