Ruth Louise Willis, APRN
Family Nurse Practitioner · Washington, DC
Ruth Louise Willis, APRN is a family nurse practitioner with a practice address in Washington, District of Columbia, and NPI 1649640780, issued on Oct 1, 2015. Check the license with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ruth Louise Willis
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 201704329NP-PP OR
Self-reported in NPPES; status is on the state search - Practice location
- 2401 E St NW, Washington, DC 20522
- Phone
- (503) 457-3994
- Enumerated
- Oct 1, 2015
- Record last updated
- Sep 24, 2025
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 682 in District of Columbia → Look up another NPI →
Also registered at 2401 E St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ruth Louise Willis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich District of Columbia board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family nurse practitioner in 2024
67 Medicare Part D claims for 33 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
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): 100 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).
Ruth Louise Willis among 682 family nurse practitioner records in District of Columbia
Ruth Louise Willis, APRN is one of 682 family nurse practitioner records with a practice address in District of Columbia. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 41% of them.
- NPI issued2015 · 41% of these records are older, 55% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 46% of these records are
- Record last updated2025 · 49% 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 District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
675 family nurse practitioner records list a practice address in Washington
They are 675 of the 45,857 NPPES records with a practice address in Washington, and 682 family nurse practitioner records in District of Columbia.
All 682 in District of Columbia → Every provider in Washington → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Eileen Drummond, NPWashington, DC 205221689686198
- Robert Giallongo, FNP, MPHWashington, DC 205221124188966
- Edith Gidley, ARNPWashington, DC 205221215010954
- Kathleen Glaser, NPWashington, DC 205221578685400
- Joan Grew, N.P.Washington, DC 205221649489568
- Judy Harris, RN, MSN, APRN-CWashington, DC 205221952477796
- Melissa JeffersonWashington, DC 205221932233582
- Sandra Moore, MSN, ARNP-BCWashington, DC 205221396804167
Common questions
What is Ruth Louise Willis, APRN's NPI number?
Ruth Louise Willis, APRN's National Provider Identifier (NPI) is 1649640780, issued on Oct 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ruth Louise Willis, APRN located?
The NPPES record lists a practice address at 2401 E St NW, Washington, DC, 20522. Phone: (503) 457-3994. Providers update this record themselves, so call before visiting.
How can I verify Ruth Louise Willis, APRN's license?
Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.
How much does Ruth Louise Willis, APRN prescribe under Medicare Part D?
In 2024, Ruth Louise Willis, APRN had 67 Medicare Part D claims for 33 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Ruth Louise Willis, APRN's MIPS final score?
The 2023 MIPS final score is 100 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.