Jillian Diana Walker, NP
Adult Health Nurse Practitioner · West Hempstead, NY
Jillian Diana Walker, NP is an adult health nurse practitioner with a practice address in West Hempstead, New York, and NPI 1588056584, issued on Feb 27, 2015. Check the license (New York F307203-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jillian Diana Walker
- Credential
- NP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- F307203-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 800 Woodfield RD, West Hempstead, NY 11552
- Phone
- (516) 608-2100
- Enumerated
- Feb 27, 2015
- Record last updated
- Feb 27, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160922001721); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 6,028 in New York → Look up another NPI →
Verify Jillian Diana Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license F307203-1Check 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 adult health nurse practitioner in 2024
63 Medicare Part D claims for 35 beneficiaries, against an average of 1,280 among the 16,937 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 MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- North Shore-Lij Medical PCValley Stream, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jillian Diana Walker among 6,028 adult health nurse practitioner records in New York
Jillian Diana Walker, NP is one of 6,028 adult health nurse practitioner records with a practice address in New York. 69% 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 53% of them.
- NPI issued2015 · 53% of these records are older, 43% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2014 · median 2016 among the 2,678 with a school on file
- Record last updated2015 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 adult health nurse practitioner records list a practice address in West Hempstead
They are 6 of the 608 NPPES records with a practice address in West Hempstead, and 6,028 adult health nurse practitioner records in New York.
All 6,028 in New York → Every provider in West Hempstead → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Sonia Edey, ANPWest Hempstead, NY 115521710323258
- Lisa Lewis, ANPWest Hempstead, NY 115521518118694
- Michael Otugh, NPWest Hempstead, NY 115521093944860
- Grace OtughWest Hempstead, NY 115521871355719
- Maria Umanzor, NURSE PRACTITIONERWest Hempstead, NY 115521003348434
- Danielle Brown, DANIELLE BROWNUniondale, NY 115531639486210
- Kevin ChaplinUniondale, NY 115531922867530
- Danielle Moses, ANPUniondale, NY 115531194141754
Common questions
What is Jillian Diana Walker, NP's NPI number?
Jillian Diana Walker, NP's National Provider Identifier (NPI) is 1588056584, issued on Feb 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Jillian Diana Walker, NP located?
The NPPES record lists a practice address at 800 Woodfield RD, West Hempstead, NY, 11552. Phone: (516) 608-2100. Providers update this record themselves, so call before visiting.
How can I verify Jillian Diana Walker, NP's license?
NPPES lists New York license number F307203-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Jillian Diana Walker, NP prescribe under Medicare Part D?
In 2024, Jillian Diana Walker, NP had 63 Medicare Part D claims for 35 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
What is Jillian Diana Walker, NP's MIPS final score?
The 2023 MIPS final score is 91.3 of 100. 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.