Waleska Lynn Diaz, DNP, FNP-C
Family Nurse Practitioner · Chatham, NJ
Waleska Lynn Diaz, DNP, FNP-C is a family nurse practitioner with a practice address in Chatham, New Jersey, and NPI 1629653217, issued on Mar 15, 2021. Check the license (New Jersey 26NJ01128200, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Waleska Lynn Diaz
- Credential
- DNP, FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 26NJ01128200 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 471 Main St, Chatham, NJ 07928
- Phone
- (973) 635-4636
- Enumerated
- Mar 15, 2021
- Record last updated
- Jun 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210728000013); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 3,881 in New Jersey → Look up another NPI →
Also registered at 471 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniele BasralianPharmacist1174846786
- Janine Buck, NPFamily Nurse Practitioner1225470768
- Francesca M. Garcia, APNFamily Nurse Practitioner1336065747
- Brian KnudsenPharmacist1346844669
- Victoria Noginskaya, FNP-CFamily Nurse Practitioner1679095368
- Bianca Papay, RPHPharmacist1134845365
Verify Waleska Lynn Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 26NJ01128200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average family nurse practitioner in 2024
446 Medicare Part D claims for 330 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluticasone Propionate58 claims
- Amoxicillin-Clavulanate Potass53 claims
- Methylprednisolone40 claims
- Nitrofurantoin Mono-Macro38 claims
- Doxycycline Hyclate31 claims
- Sulfamethoxazole-Trimethoprim29 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.
Bills Medicare through 2 group practices
- Excel Urgent Care OF NJOld Bridge, NJ
- Hackensack Meridian Urgent Care PCClark, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Waleska Lynn Diaz among 3,881 family nurse practitioner records in New Jersey
Waleska Lynn Diaz, DNP, FNP-C is one of 3,881 family nurse practitioner records with a practice address in New Jersey. 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 2021, is newer than 56% of them.
- NPI issued2021 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2021 · median 2019 among the 2,262 with a school on file
- Record last updated2021 · 40% 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 family nurse practitioner records list a practice address in Chatham
They are 8 of the 349 NPPES records with a practice address in Chatham, and 3,881 family nurse practitioner records in New Jersey.
All 3,881 in New Jersey → Every provider in Chatham → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Janine Buck, NPChatham, NJ 079281225470768
- Francesca M. Garcia, APNChatham, NJ 079281336065747
- Victoria Noginskaya, FNP-CChatham, NJ 079281679095368
- Heema Tambakuwala, NPChatham, NJ 079281114352291
- Barbara UwuimwonseChatham, NJ 079281730965955
- Nicole VillanuevaChatham, NJ 079281477923217
- Ruth Volkman, FNP-BCChatham, NJ 079281447443254
- Alexa Dendulk, FNP-C, APNCedar Knolls, NJ 079271477160836
Common questions
What is Waleska Lynn Diaz, DNP, FNP-C's NPI number?
Waleska Lynn Diaz, DNP, FNP-C's National Provider Identifier (NPI) is 1629653217, issued on Mar 15, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Waleska Lynn Diaz, DNP, FNP-C located?
The NPPES record lists a practice address at 471 Main St, Chatham, NJ, 07928. Phone: (973) 635-4636. Providers update this record themselves, so call before visiting.
How can I verify Waleska Lynn Diaz, DNP, FNP-C's license?
NPPES lists New Jersey license number 26NJ01128200, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Waleska Lynn Diaz, DNP, FNP-C prescribe under Medicare Part D?
In 2024, Waleska Lynn Diaz, DNP, FNP-C had 446 Medicare Part D claims for 330 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
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.