Sarah Knowlton, FNP
Family Nurse Practitioner · North Bethesda, MD
Sarah Knowlton, FNP is a family nurse practitioner with a practice address in North Bethesda, Maryland, and NPI 1558716852, issued on Apr 25, 2016. Check the license (Maryland AC004686, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Knowlton
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- AC004686 MD
760719 CA
CNP181227 ME
059700-21 NH
Self-reported in NPPES; status is on the state search - Practice location
- 911 Meeting St, North Bethesda, MD 20852
- Phone
- (888) 663-6331
- Enumerated
- Apr 25, 2016
- Record last updated
- Jun 4, 2024
- Medicare enrollment
- Enrolled (PECOS I20251111000191); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 911 Meeting St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tasha Akoto, PAPhysician Assistant1679334031
- Christina Council, M.D.Family Medicine Physician1831539451
- Kharia Holmes, MDInternal Medicine Physician1265668347
- Isha Kothari, DOFamily Medicine Physician1386346310
- Kimberly Nieves, FNP-BCFamily Nurse Practitioner1497799365
Verify Sarah Knowlton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license AC004686Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family nurse practitioner in 2024
182 Medicare Part D claims for 85 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium54 claims
- Famotidine27 claims
- Esomeprazole Magnesium23 claims
- Omeprazole20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 37.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $371.61
18 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- One Medstar Primary Care LLCWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Knowlton among 4,124 family nurse practitioner records in Maryland
Sarah Knowlton, FNP is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 33% of them.
- NPI issued2016 · 33% of these records are older, 61% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2008 · median 2019 among the 2,370 with a school on file
- Record last updated2024 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 family nurse practitioner records list a practice address in North Bethesda
They are 6 of the 179 NPPES records with a practice address in North Bethesda, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in North Bethesda → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Sarah Barfield-Early, MSN, FNP-C, IBCLCNorth Bethesda, MD 208521124443858
- Mohamed Barry, CRNP-FNPRockville, MD 208521073987954
- Dana Fleischhacker, NPNorth Bethesda, MD 208521881066843
- Paule Joseph, FNP, PHDRockville, MD 208521780980201
- Tina Mbatia, CRNP-FAMILYRockville, MD 208521619010154
- Masooda Naim, CRNP-FRockville, MD 208521730565607
- Kimberly Nieves, FNP-BCNorth Bethesda, MD 208521497799365
- Sandra O'Brien, N.P.Rockville, MD 208521932423761
Common questions
What is Sarah Knowlton, FNP's NPI number?
Sarah Knowlton, FNP's National Provider Identifier (NPI) is 1558716852, issued on Apr 25, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Knowlton, FNP located?
The NPPES record lists a practice address at 911 Meeting St, North Bethesda, MD, 20852. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify Sarah Knowlton, FNP's license?
NPPES lists Maryland license number AC004686, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Sarah Knowlton, FNP prescribe under Medicare Part D?
In 2024, Sarah Knowlton, FNP had 182 Medicare Part D claims for 85 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Sarah Knowlton, FNP's MIPS final score?
The 2023 MIPS final score is 37.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.