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

Sarah Knowlton, FNP

Individual provider Registered Nurse · NPI 1558716852

Sarah Knowlton, FNP is a Nurse Practitioner in North Bethesda, Maryland. Qualified in 2008, 18 years ago. Practices with One Medstar Primary Care LLC, a 140-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California, Maryland, Maine and New Hampshire.

Years since qualifying
18
Licensed in
CA, MD, ME, NH
In the registry since
2016
Specialties on file
4
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 →

Practice location Address checks out

911 Meeting St
North Bethesda, MD 20852-2375
Phone: (888) 663-6331
Show map & directions

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

Additional practice locations (1)

  • 7 Main Rd N, Hampden, ME 04444-1334 — (207) 862-9400

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence AC004686 (MD)
Registered Nurse Taxonomy 163W00000X · Licence 059700-21 (NH)
Registered Nurse Taxonomy 163W00000X · Licence 760719 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence CNP181227 (ME)

Record details

NPI number1558716852
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedApril 25, 2016
Last updated in NPPESJune 4, 2024
Certification dateJune 4, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice One Medstar Primary Care Llc — 140 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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