Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Sean R Mattingly, FNP

Individual provider Family Nurse Practitioner · NPI 1245879980

Mr. Sean R Mattingly, FNP is a Nurse Practitioner in Frederick, Maryland. Qualified in 2019, 7 years ago. Practices with Frederick Health Medical Group LLC, a 202-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
7
Licensed in
MD
In the registry since
2019
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

501 W 7th St
Frederick, MD 21701-4586
Phone: (301) 698-8375
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence R215838 (MD)

Record details

NPI number1245879980
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP
Sole proprietorYes
NPI enumeratedDecember 28, 2019
Last updated in NPPESJanuary 13, 2021
Certification dateJanuary 13, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Frederick Health Medical Group Llc — 202 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

Other providers in Frederick