DARLENE WILLIAMS MSN, NNP-BC
NPI 1437550555
Nurse Practitioner - Neonatal in Gilbert, AZ
About Darlene Williams Msn, Nnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DARLENE WILLIAMS MSN, NNP-BC (NPI 1437550555) is an individual neonatal provider in Gilbert, Arizona, licensed in Arizona (291205) and active in the NPI registry since September 2014. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Darlene Williams Msn, Nnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85234 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GILBERT, AZ 85234
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 Darlene Williams's NPI number?
The NPI number for Darlene Williams is 1437550555. It was assigned to this individual provider in the NPPES registry on September 8, 2014.
Where is Darlene Williams located?
Darlene Williams practices at 1900 N Higley Rd, Gilbert, AZ 85234. The listed phone number is (480) 543-2000.
What is Darlene Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, with taxonomy code 363LN0000X.
Is Darlene Williams enrolled in Medicare?
Yes. Darlene Williams is registered in the Medicare PECOS enrollment system.
What insurance does Darlene Williams accept?
Health plans from Blue Cross Blue Shield of Arizona and Oscar Health Maintenance Organization of Florida list Darlene Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Darlene Williams was last updated on February 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
# Darlene Williams, MSN, NNP-BC · NPI 1437550555
Neonatal physician in Gilbert, Arizona. Individual provider, active in the CMS NPPES registry since September 8, 2014.
## Identity
- **NPI:** 1437550555 (Entity type: Individual)
- **Enumerated:** September 8, 2014
- **Primary specialty:** Nurse Practitioner - Neonatal · taxonomy 363LN0000X
- **State license:** 291205 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 1900 N HIGLEY RD, Gilbert, AZ 85234-1604
- **Phone:** (480) 543-2000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
## Record status
- **NPPES last updated:** February 19, 2026
- **Other identifiers:** Other 2JAIM (FL); Other IQ234Z (FL); Medicaid 018413300 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1437550555) · Data from the CMS NPPES public registry.