Jennifer Mostowski, FNP-BC
NPI 1588559413 · Family Medicine Physician · Hagerstown, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Mostowski, FNP-BC is a Family Medicine Physician provider in Hagerstown, MD (NPI 1588559413).
Provider details
- NPI number
- 1588559413
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- R162167 (MD)
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
1 yr 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
- 2025-06-11
- Last updated
- 2025-06-11
- Certified
- 2025-06-09
Frequently asked questions
- What is Jennifer Mostowski's NPI number?
- Jennifer Mostowski's National Provider Identifier (NPI) is 1588559413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Mostowski's specialty?
- Jennifer Mostowski is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Mostowski located?
- Jennifer Mostowski's practice location on file with NPPES is 1219 Mount Aetna Rd Ste 300, Hagerstown, MD 21742-6550.
- What is Jennifer Mostowski's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Mostowski is (240) 203-8864.
- Does Jennifer Mostowski accept Medicare?
- Jennifer Mostowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Mostowski's NPI active?
- Yes — Jennifer Mostowski's NPI (1588559413) is active in the NPPES registry as of the last update on 2025-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.