DARCIE LYNN GHIGIARELLI FNP
NPI 1164093753
Nurse Practitioner - Family in Walnut Creek, CA
About Darcie Lynn Ghigiarelli Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DARCIE LYNN GHIGIARELLI FNP (NPI 1164093753) is an individual family provider in Walnut Creek, California, licensed in California (95019760) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Martinez, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Darcie Lynn Ghigiarelli Fnp 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.
Medicare Billing Reassignment
Medicare enrollment records show Darcie Ghigiarelli reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Walnut Creek, CA 94597
- Reassigned Medicare billing, California enrollment
- 650 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94597 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Darcie Ghigiarelli's NPI number?
The NPI number for Darcie Ghigiarelli is 1164093753. It was assigned to this individual provider in the NPPES registry on July 6, 2021.
Where is Darcie Ghigiarelli located?
Darcie Ghigiarelli practices at 1450 Treat Blvd # 300, Walnut Creek, CA 94597. The listed phone number is (925) 952-8888.
What is Darcie Ghigiarelli's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Darcie Ghigiarelli enrolled in Medicare?
Yes. Darcie Ghigiarelli 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.
Which organization bills Medicare for Darcie Ghigiarelli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Darcie Ghigiarelli reassigns Medicare benefits to John Muir Physician Network (Walnut Creek, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Darcie Ghigiarelli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Darcie Ghigiarelli was last updated on May 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Darcie Lynn Ghigiarelli, FNP · NPI 1164093753
Family physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since July 6, 2021.
## Identity
- **NPI:** 1164093753 (Entity type: Individual)
- **Enumerated:** July 6, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95019760 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1450 TREAT BLVD # 300, Walnut Creek, CA 94597-2168
- **Phone:** (925) 952-8888 · **Fax:** (925) 296-9062
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** John Muir Physician Network (NPI 1841407665, Walnut Creek, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** May 17, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1164093753) · Data from the CMS NPPES public registry.