Jack C. Rosenfeld, MD
Family Medicine Physician · Lansdale, PA
Jack C. Rosenfeld, MD is a family medicine physician with a practice address in Lansdale, Pennsylvania, and NPI 1558368811, issued on Jul 1, 2005. Check the license (Pennsylvania MD033781E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Jack C. Rosenfeld
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD033781E PA
Self-reported in NPPES; status is on the state search - Practice location
- 826 N Broad St, Lansdale, PA 19446
- Phone
- (215) 855-1054
- Enumerated
- Jul 1, 2005
- Record last updated
- Jul 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (215) 855-3786
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 826 N Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sandra Knudsen, M.D.Family Medicine Physician1235136078
Verify Jack C. Rosenfeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD033781ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family medicine physician in 2024
613 Medicare Part D claims for 260 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium39 claims
- Atorvastatin Calcium37 claims
- Losartan Potassium30 claims
- Lisinopril29 claims
- Metformin Hcl22 claims
- Simvastatin21 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.
Jack C. Rosenfeld among 7,483 family medicine physician records in Pennsylvania
Jack C. Rosenfeld, MD is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 family medicine physician records list a practice address in Lansdale
They are 32 of the 851 NPPES records with a practice address in Lansdale, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Lansdale → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jonathan Beck, D.O.Lansdale, PA 194461275596546
- Daniel Deprince, D.O.Lansdale, PA 194461023080306
- Robert Detweiler, DOLansdale, PA 194461790751246
- Barry Green, MDLansdale, PA 194461083611339
- Susan Kennedy, MDLansdale, PA 194461962409227
- Evan Kessler, DOLansdale, PA 194461164428645
- Charles Kish, D.O.Lansdale, PA 194461194788471
- Morris Kliger, D.O.Lansdale, PA 194461124080817
Common questions
What is Jack C. Rosenfeld, MD's NPI number?
Jack C. Rosenfeld, MD's National Provider Identifier (NPI) is 1558368811, issued on Jul 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jack C. Rosenfeld, MD located?
The NPPES record lists a practice address at 826 N Broad St, Lansdale, PA, 19446. Phone: (215) 855-1054. Providers update this record themselves, so call before visiting.
How can I verify Jack C. Rosenfeld, MD's license?
NPPES lists Pennsylvania license number MD033781E, 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 Jack C. Rosenfeld, MD prescribe under Medicare Part D?
In 2024, Jack C. Rosenfeld, MD had 613 Medicare Part D claims for 260 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.