ESTERA HAN MSN, FNP
NPI 1922415769
Nurse Practitioner - Family in Mission Viejo, CA
About Estera Han Msn, Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ESTERA HAN MSN, FNP (NPI 1922415769) is an individual family provider in Mission Viejo, California, licensed in California (95000736) and active in the NPI registry since July 2014. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Estera Han Msn, 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 Reassignments
2Medicare enrollment records show Estera Han reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mission Viejo, CA 92691
- Reassigned Medicare billing, California enrollment
- 15 clinicians in this Medicare group
Burbank, CA 91505
- Reassigned Medicare billing, California enrollment
- 236 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
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 92691 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MISSION VIEJO, CA 92691
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 Estera Han's NPI number?
The NPI number for Estera Han is 1922415769. It was assigned to this individual provider in the NPPES registry on July 14, 2014.
Where is Estera Han located?
Estera Han practices at 26932 Oso Pkwy Ste 270, Mission Viejo, CA 92691. The listed phone number is (855) 792-7729.
What is Estera Han's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Estera Han enrolled in Medicare?
Yes. Estera Han 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 Estera Han's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Estera Han reassigns Medicare benefits to 2 organizations: Array Skin Therapy, A Medical Corporation (Mission Viejo, CA) and Minuteclinic Diagnostic Medical Group Of California Inc (Burbank, CA). 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 Estera Han'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 Estera Han was last updated on January 23, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Estera Han, MSN, FNP · NPI 1922415769
Family physician in Mission Viejo, California. Individual provider, active in the CMS NPPES registry since July 14, 2014.
## Identity
- **NPI:** 1922415769 (Entity type: Individual)
- **Enumerated:** July 14, 2014
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95000736 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 26932 OSO PKWY STE 270, Mission Viejo, CA 92691-5810
- **Phone:** (855) 792-7729
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Array Skin Therapy, A Medical Corporation (NPI 1891075123, Mission Viejo, CA); Minuteclinic Diagnostic Medical Group Of California Inc (NPI 1033309372, Burbank, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** January 23, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1922415769) · Data from the CMS NPPES public registry.