Sarah Knowlton, FNP

  • Chevy Chase, MD
  • Family nurse practitioner
NPI1558716852PAC ID1456604099
Medicare patients, 2024
89
Part D claims, 2024
182
MIPS score, 2024
79
Industry payments
$22
Affiliated sites
1
Practice address
7187 Woodmont Ave, Chevy Chase, MD 20815
Practice phone
Call (202) 660-0005
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

One Medstar Primary Care

Chevy Chase, Maryland

See all 4 affiliations

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Sarah Knowlton is a family nurse practitioner in Chevy Chase, Maryland

Sarah Knowlton practices at One Medstar Primary Care in Chevy Chase, Maryland.

Sarah Knowlton's NPI, 1558716852, was assigned on April 25, 2016. Sarah Knowlton holds Maryland license AC004686.

NPI and contact details
Medicare PAC ID
1456604099
NPI enumeration date
April 25, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(202) 660-0005
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
44
Medical school graduation
2008

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Sarah Knowlton practices at One Medstar Primary Care in Chevy Chase, Maryland

Sarah Knowlton's primary practice is One Medstar Primary Care, at 7187 Woodmont Ave, Chevy Chase, MD 20815 in Montgomery County. The practice phone is (202) 660-0005.

  • One Medstar Primary Care
    7187 Woodmont Ave, Chevy Chase, MD 20815 · Montgomery CountyPhone(202) 660-0005

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Sarah Knowlton is affiliated with 2 sites of care and 2 medical groups

Sarah Knowlton's primary practice is One Medstar Primary Care in Chevy Chase, Maryland. The medical group on file is One MedStar Primary Care. Dmand AI also links Sarah Knowlton to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Sarah Knowlton

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Sarah Knowlton's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Sarah Knowlton practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
One Medstar Primary CareAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Sarah Knowlton is one of 3,917 family nurse practitioners in Maryland

Family is Sarah Knowlton's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Dmand AI has Sarah Knowlton's licenses on file in 4 states: Maryland, California, Maine and New Hampshire.

Specialties and state licenses

  • Family nurse practitioner, MarylandPrimaryLicense AC004686 · taxonomy 363LF0000X
  • California licenseLicense 760719
  • Maine licenseLicense CNP181227
  • Registered nurse, New HampshireLicense 059700-21 · taxonomy 163W00000X

Family nurse practitioners near Sarah Knowlton

Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Sarah Knowlton treated 89 Medicare patients in 2024, average age 72

CMS counts 89 Medicare patients who saw Sarah Knowlton in 2024. The largest group is 65 to 74, with 62 patients. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 0.94, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Sarah Knowlton's median patient age at 42, with 62% women.

Medicare patients, 202489
Average age72
Average risk score0.94

Sarah Knowlton's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Sarah Knowlton's Medicare patients by sex, 2024

  • Women4551%
  • Men4449%

Chronic conditions among Sarah Knowlton's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis39%
  4. Diabetes28%
  5. Anxiety27%
  6. Ischemic heart disease27%
  7. Mood disorders20%
  8. Depression18%

Share of Medicare patients with each condition. A patient can have several.

Sarah Knowlton's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 42

Patient panel by sex, all payers

  • Women62%
  • Men36%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Sarah Knowlton wrote 182 Medicare Part D claims in 2024

In 2024, Sarah Knowlton wrote 182 Medicare Part D claims for 85 patients. 95% of them were for generic drugs.

Part D claims, 2024182
Part D patients85

Sarah Knowlton's Part D claims by kind of drug, 2024

  • Generic172 claims95%
  • Brand-name and other10 claims5%

Drug classes CMS tracks in Sarah Knowlton's Part D claims, 2024

  • Antibiotics7%12 of 182 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Sarah Knowlton scored 79 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Sarah Knowlton for performance year 2024, reported as part of a group. Sarah Knowlton accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Sarah Knowlton as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Sarah Knowlton's MIPS scores, performance year 2024

  • 79of 100Final score
  • 77.4of 100Quality
  • 97of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 56of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Sarah Knowlton received $22 in industry payments in 2025

CMS Open Payments shows 1 general payment to Sarah Knowlton from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Sumitomo Pharma America, Inc. paid the most, $22.

Companies that paid Sarah Knowlton the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Sarah Knowlton

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Sarah Knowlton's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Sarah Knowlton

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Sarah Knowlton's NPI number?

Sarah Knowlton's NPI number is 1558716852. It was assigned on April 25, 2016, and it is active in the NPI Registry.

What does Sarah Knowlton specialize in?

Sarah Knowlton is a family nurse practitioner in Chevy Chase, Maryland. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Sarah Knowlton practice?

Sarah Knowlton practices at 7187 Woodmont Ave, Chevy Chase, MD 20815. Sarah Knowlton's primary practice is One Medstar Primary Care in Chevy Chase, Maryland. Dmand AI also links Sarah Knowlton to 1 group practice or clinic and 1 medical group.

What is Sarah Knowlton's office phone number?

The practice phone on file for Sarah Knowlton is (202) 660-0005.

What is Sarah Knowlton's medical license number?

Sarah Knowlton holds Maryland license AC004686, one of the licenses on file in 4 states.

Which states has Sarah Knowlton been licensed in?

Dmand AI has state licenses on file for Sarah Knowlton in Maryland, California, Maine and New Hampshire.

What medical group is Sarah Knowlton part of?

Sarah Knowlton is linked to One MedStar Primary Care. Dmand AI links Sarah Knowlton to 1 more medical group.

Does Sarah Knowlton accept Medicare?

Yes. CMS lists Sarah Knowlton as accepting Medicare assignment.

Does Sarah Knowlton offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Sarah Knowlton as offering telehealth services.

What is Sarah Knowlton's MIPS score?

Sarah Knowlton's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.

Show 3 more questionsShow fewer questions

How many Medicare patients does Sarah Knowlton see?

CMS counts 89 Medicare patients who saw Sarah Knowlton in 2024, with an average age of 72.

Has Sarah Knowlton received payments from drug or device companies?

CMS Open Payments shows $22 in general payments to Sarah Knowlton from 1 company from 2025 to 2025. The largest total came from Sumitomo Pharma America, Inc.

How long has Sarah Knowlton been practicing?

Sarah Knowlton graduated from medical school in 2008, 18 years ago.

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