NPPES file of Aug 9, 2026

Diane Walker, NURSE PRACTITIONER

Family Nurse Practitioner · Chester, MD

Diane Walker, NURSE PRACTITIONER is a family nurse practitioner with a practice address in Chester, Maryland, and NPI 1700887502, issued on Aug 3, 2005. Check the license (Maryland R163105, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700887502
Name
Diane Walker
Credential
NURSE PRACTITIONER
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
R163105 MD
88082 CO
Self-reported in NPPES; status is on the state search
Practice location
115 S Piney RD, Chester, MD 21619
Phone
(410) 643-3007
Enumerated
Aug 3, 2005
Record last updated
Nov 6, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 115 S Piney RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shinae ChoPharmacist1144027590
  2. Rosemarie Hughes, PA-CPhysician Assistant1801299250
  3. Candice Judy, PHARMDPharmacist1366924060
  4. Courtney KeitelPhysician Assistant1679922405
  5. Alexander Kovach, RPHPharmacist1134520349
  6. Karen Levasseur, PA-CPhysician Assistant1265620272

Verify Diane Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R163105
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 77.4 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.

  1. Qualityout of 100 · 30% of the final score81.2
  2. Costout of 100 · 30%59.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Diane Walker among 4,124 family nurse practitioner records in Maryland

Diane Walker, NURSE PRACTITIONER 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 98% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2022 · 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).

9 family nurse practitioner records list a practice address in Chester

They are 9 of the 101 NPPES records with a practice address in Chester, and 4,124 family nurse practitioner records in Maryland.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Sarah Callanan, CRNPChester, MD 216191316079494
  2. Mackenzie Costello, CRNPChester, MD 216191548797376
  3. Joyce Flynt, NPChester, MD 216191366164287
  4. Vaneica Nordhoff, CRNP-FChester, MD 216191386765212
  5. Stephanie Robinson, CRNPChester, MD 216191396480760
  6. Tammy Rotondo, APNPChester, MD 216191487605903
  7. Valerie Wallace, NURSE PRACTITIONERChester, MD 216191902375512
  8. Olivia Warner, FNP-CChester, MD 216191275412033

Common questions

What is Diane Walker, NURSE PRACTITIONER's NPI number?

Diane Walker, NURSE PRACTITIONER's National Provider Identifier (NPI) is 1700887502, issued on Aug 3, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Diane Walker, NURSE PRACTITIONER located?

The NPPES record lists a practice address at 115 S Piney RD, Chester, MD, 21619. Phone: (410) 643-3007. Providers update this record themselves, so call before visiting.

How can I verify Diane Walker, NURSE PRACTITIONER's license?

NPPES lists Maryland license number R163105, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

What is Diane Walker, NURSE PRACTITIONER's MIPS final score?

The 2023 MIPS final score is 77.4 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.