MARY WANG FNP-BC
NPI 1851100184
Nurse Practitioner - Family in La Mirada, CA
About Mary Wang Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY WANG FNP-BC (NPI 1851100184) is an individual family provider in La Mirada, California, licensed in California (95031677) and active in the NPI registry since January 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary Wang Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Mary Wang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Long Beach, CA 90805
- Reassigned Medicare billing, California enrollment
- 339 clinicians in this Medicare group
Diamond Bar, CA 91765
- Reassigned Medicare billing, California enrollment
- 283 clinicians in this Medicare group
Bothell, WA 98021
- Reassigned Medicare billing, Washington enrollment
- 207 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 90638 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mary Wang's NPI number?
The NPI number for Mary Wang is 1851100184. It was assigned to this individual provider in the NPPES registry on January 2, 2025.
Where is Mary Wang located?
Mary Wang practices at 12675 La Mirada Blvd Ste 200, La Mirada, CA 90638. The listed phone number is (818) 361-5437.
What is Mary Wang's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mary Wang enrolled in Medicare?
Yes. Mary Wang is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Wang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Wang reassigns Medicare benefits to 3 organizations: Molina Healthcare Of California (Long Beach, CA), Central Health Plan Of California, Inc. (Diamond Bar, CA) and Molina Healthcare Of Washington, Inc (Bothell, WA). 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 Mary Wang'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 Mary Wang was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Mary Wang, FNP-BC · NPI 1851100184
Family physician in La Mirada, California. Individual provider, active in the CMS NPPES registry since January 2, 2025.
## Identity
- **NPI:** 1851100184 (Entity type: Individual)
- **Enumerated:** January 2, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95031677 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 12675 LA MIRADA BLVD STE 200, La Mirada, CA 90638-2235
- **Phone:** (818) 361-5437
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Molina Healthcare Of California (NPI 1669586020, Long Beach, CA); Central Health Plan Of California, Inc. (NPI 1386714772, Diamond Bar, CA); Molina Healthcare Of Washington, Inc (NPI 1659897163, Bothell, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** March 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1851100184) · Data from the CMS NPPES public registry.