Rosemary Horstman, MD
NPI 1013230770 · Emergency Medicine Physician · Newtown Square, PA
Rosemary Horstman, MD is a Emergency Medicine Physician provider in Newtown Square, PA (NPI 1013230770).
Provider details
- NPI number
- 1013230770
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD044553L (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
16 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-03-10
- Last updated
- 2010-03-10
Frequently asked questions
- What is Rosemary Horstman's NPI number?
- Rosemary Horstman's National Provider Identifier (NPI) is 1013230770, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosemary Horstman's specialty?
- Rosemary Horstman is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rosemary Horstman located?
- Rosemary Horstman's practice location on file with NPPES is 15 Campus Blvd, Newtown Square, PA 19073-3200.
- What is Rosemary Horstman's phone number?
- The practice phone number listed in the NPPES registry for Rosemary Horstman is (877) 347-3627.
- Is Rosemary Horstman's NPI active?
- Yes — Rosemary Horstman's NPI (1013230770) is active in the NPPES registry as of the last update on 2010-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.