Leonard E. Rosenfeld, DO
Internal Medicine Physician · Philadelphia, PA
Leonard E. Rosenfeld, DO is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1134142318, issued on Jul 26, 2006. Check the license (Pennsylvania 0S001780L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Leonard E. Rosenfeld
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 0S001780L PA
05001780L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1740 South St Ste 402, Philadelphia, PA 19146
- Phone
- (215) 382-6112
- Enumerated
- Jul 26, 2006
- Record last updated
- Dec 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (215) 382-6115
- Medicaid ID
- 0006901360002 PA
- Entity
- Type 1 · individual
Also registered at 1740 South St Ste 402
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron Cashman, LACAcupuncturist1851721120
Verify Leonard E. Rosenfeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license 0S001780LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average internal medicine physician in 2024
912 Medicare Part D claims for 77 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 71 claims were for opioids.
Most prescribed
- Atorvastatin Calcium47 claims
- Metoprolol Succinate44 claims
- Amlodipine Besylate42 claims
- Alprazolam38 claims
- Hydrochlorothiazide29 claims
- Lisinopril29 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.
1,855 internal medicine physician records list a practice address in Philadelphia
They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.
All 1,855 in Philadelphia → All 7,300 in Pennsylvania → Every provider in Philadelphia →
Other internal medicine physician records in Pennsylvania
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- Mubasher Abbas, MDYork, PA1578978425
- Nicholas AbbottFarrell, PA1639525678
- Sara Abbruzzi, D.O.Philadelphia, PA1689686313
- Ahmad Abdalla, MDPhiladelphia, PA1730981127
- Tori Abdalla, DOPhiladelphia, PA1942091699
- Hany Abdel, D.O.Plymouth Meeting, PA1164467262
Common questions
What is Leonard E. Rosenfeld, DO's NPI number?
Leonard E. Rosenfeld, DO's National Provider Identifier (NPI) is 1134142318, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard E. Rosenfeld, DO located?
The NPPES record lists a practice address at 1740 South St Ste 402, Philadelphia, PA, 19146. Phone: (215) 382-6112. Providers update this record themselves, so call before visiting.
How can I verify Leonard E. Rosenfeld, DO's license?
NPPES lists Pennsylvania license number 0S001780L, 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 Leonard E. Rosenfeld, DO prescribe under Medicare Part D?
In 2024, Leonard E. Rosenfeld, DO had 912 Medicare Part D claims for 77 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.