Jack Rosenfeld, MD
NPI 1558368811 · Family Medicine Physician · Lansdale, PA
Jack Rosenfeld, MD is a Family Medicine Physician provider in Lansdale, PA (NPI 1558368811).
Provider details
- NPI number
- 1558368811
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD033781E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 39 | 25 |
| Atorvastatin Calcium | 37 | 30 |
| Losartan Potassium | 30 | 20 |
| Lisinopril | 29 | 25 |
| Metformin Hcl | 22 | 17 |
| Simvastatin | 21 | 17 |
| Rosuvastatin Calcium | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-01
- Last updated
- 2018-07-17
Frequently asked questions
- What is Jack Rosenfeld's NPI number?
- Jack Rosenfeld's National Provider Identifier (NPI) is 1558368811, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Rosenfeld's specialty?
- Jack Rosenfeld is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Rosenfeld located?
- Jack Rosenfeld's practice location on file with NPPES is 826 N Broad St, Lansdale, PA 19446.
- What is Jack Rosenfeld's phone number?
- The practice phone number listed in the NPPES registry for Jack Rosenfeld is (215) 855-1054.
- Is Jack Rosenfeld's NPI active?
- Yes — Jack Rosenfeld's NPI (1558368811) is active in the NPPES registry as of the last update on 2018-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.