Timothy Onserio, DNP, APRN,FNP, CRNP.
NPI 1578273017 · Family Nurse Practitioner · Hyattsville, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Onserio, DNP, APRN,FNP, CRNP. is a Family Nurse Practitioner provider in Hyattsville, MD (NPI 1578273017).
Provider details
- NPI number
- 1578273017
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, APRN,FNP, CRNP.
- Sex
- Male
- Sole proprietor
- Yes
- License
- R189170 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 10770 Columbia Pike # 1021Silver Spring, MD 20901-4402Phone: (240) 966-4266
Registry dates
- Enumerated
- 2022-11-23
- Last updated
- 2024-12-11
- Certified
- 2024-12-11
Frequently asked questions
- What is Timothy Onserio's NPI number?
- Timothy Onserio's National Provider Identifier (NPI) is 1578273017, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Onserio's specialty?
- Timothy Onserio is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Timothy Onserio located?
- Timothy Onserio's practice location on file with NPPES is 7411 Riggs Rd Ste 300b, Hyattsville, MD 20783-4246.
- What is Timothy Onserio's phone number?
- The practice phone number listed in the NPPES registry for Timothy Onserio is (240) 966-4266.
- Does Timothy Onserio accept Medicare?
- Timothy Onserio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Onserio's NPI active?
- Yes — Timothy Onserio's NPI (1578273017) is active in the NPPES registry as of the last update on 2024-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.