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DR. WALESKA LYNN DIAZ DNP, FNP-C
NPI 1629653217
Nurse Practitioner - Family in Chatham, NJ

Active since March 15, 2021PECOS EnrolledAccepts Medicare Assignment
471 MAIN ST, CHATHAM, NJ 07928(973) 635-4636 Get Directions Write a Review

NPPES record last updated: June 16, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 16, 2021, May 26, 2021, Mar 15, 2021 (3 updates tracked since 2021).

About Dr. Waleska Lynn Diaz Dnp, Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WALESKA LYNN DIAZ DNP, FNP-C (NPI 1629653217) is an individual family provider in Chatham, New Jersey, licensed in New Jersey (26NJ01128200) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Roselle, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1629653217
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDR. WALESKA LYNN DIAZCredential: DNP, FNP-C
Location Address471 MAIN STChatham, NJ 07928-2102
Mailing Address471 Main StChatham, NJ 07928-2102 · (973) 635-4635
Phone(973) 635-4636
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 15, 2021
Last NPPES UpdateJune 16, 20213 updates tracked since enumeration
NPPES CertifiedJune 16, 2021
✔ NPI 1629653217 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NJ · 26NJ01128200
471 MAIN ST, Chatham, NJ 07928
Open in Google Maps ↗

Secondary Practice Location 1

Location 1345 Chandler AveRoselle, NJ 07203-1313 · Phone (908) 906-4840

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Waleska Lynn Diaz Dnp, Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3870996994
PECOS Enrollment IDI20210728000013
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
223 services195 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
126 services126 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426
An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.
89 services87 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
55 services51 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
40 services19 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
23 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07928 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MAGNE ELENA SABA
Pharmacist
471 MAIN ST
CHATHAM, NJ 07928
Morris County (973) 635-4636
BIANCA R PAPAY RPH
Pharmacist
471 MAIN ST
CHATHAM, NJ 07928
Morris County (973) 635-4636
MRS. DANIELE BASRALIAN
Pharmacist
471 MAIN ST
CHATHAM, NJ 07928
Morris County (973) 635-4636
JANINE DAWN BUCK NP
Nurse Practitioner (Family)
471 MAIN ST
CHATHAM, NJ 07928
Morris County (866) 389-2727
FRANCESCA M. GARCIA APN
Nurse Practitioner (Family)
471 MAIN ST
CHATHAM, NJ 07928
Morris County (973) 635-4636
BRIAN KNUDSEN
Pharmacist
471 MAIN ST
CHATHAM, NJ 07928
Morris County (732) 406-3268
RUTH ANN VOLKMAN FNP-BC
Nurse Practitioner (Family)
471 MAIN ST
CHATHAM, NJ 07928
Morris County (866) 389-2727
NICOLE VILLANUEVA
Nurse Practitioner (Family)
471 MAIN ST
CHATHAM, NJ 07928
Morris County (866) 389-2727

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Waleska Diaz's NPI number?

The NPI number for Waleska Diaz is 1629653217. It was assigned to this individual provider in the NPPES registry on March 15, 2021.

Where is Waleska Diaz located?

Waleska Diaz practices at 471 Main St, Chatham, NJ 07928. The listed phone number is (973) 635-4636.

What is Waleska Diaz's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Waleska Diaz enrolled in Medicare?

Yes. Waleska Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Waleska Diaz was last updated on June 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.