MILA NHI NGUYEN NP
NPI 1073385464
Nurse Practitioner - Acute Care in Saint Helena, CA
About Mila Nhi Nguyen Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MILA NHI NGUYEN NP (NPI 1073385464) is an individual acute care provider in Saint Helena, California, licensed in California (95026009) and active in the NPI registry since October 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Philadelphia, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Mila Nhi Nguyen Np 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 Reassignments
3Medicare enrollment records show Mila Nguyen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Helena, CA 94574
- Reassigned Medicare billing, California enrollment
- 678 clinicians in this Medicare group
Saint Helena, CA 94574
- Reassigned Medicare billing, California enrollment
- 128 clinicians in this Medicare group
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 364 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94574 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT HELENA, CA 94574
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 Mila Nguyen's NPI number?
The NPI number for Mila Nguyen is 1073385464. It was assigned to this individual provider in the NPPES registry on October 27, 2023.
Where is Mila Nguyen located?
Mila Nguyen practices at 999 Adams St Ste 106, Saint Helena, CA 94574. The listed phone number is (707) 963-4997.
What is Mila Nguyen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Mila Nguyen enrolled in Medicare?
Yes. Mila Nguyen 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 organizations bill Medicare for Mila Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mila Nguyen reassigns Medicare benefits to 3 organizations: Adventist Health Physicians Network (Saint Helena, CA), St. Helena Hospital (Saint Helena, CA) and University Of Penn-Medical Group (Philadelphia, PA). Each 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 Mila Nguyen'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 Mila Nguyen was last updated on October 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Mila Nhi Nguyen, NP · NPI 1073385464
Acute Care physician in Saint Helena, California. Individual provider, active in the CMS NPPES registry since October 27, 2023.
## Identity
- **NPI:** 1073385464 (Entity type: Individual)
- **Enumerated:** October 27, 2023
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 95026009 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 999 ADAMS ST STE 106, Saint Helena, CA 94574-1168
- **Phone:** (707) 963-4997 · **Fax:** (707) 963-4990
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Adventist Health Physicians Network (NPI 1548707268, Saint Helena, CA); St. Helena Hospital (NPI 1720078082, Saint Helena, CA); University Of Penn-Medical Group (NPI 1871981985, Philadelphia, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** October 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1073385464) · Data from the CMS NPPES public registry.