MS. TIFFANY WALKER NP
NPI 1730683319
Nurse Practitioner - Adult Health in Orange, CA
About Ms. Tiffany Walker Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. TIFFANY WALKER NP (NPI 1730683319) is an individual adult health provider in Orange, California, licensed in Nevada (APRN002775) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Las Vegas, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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
Ms. Tiffany Walker 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
8Medicare enrollment records show Tiffany Walker reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brea, CA 92821
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Adobe Ph Ca Medical Group PC
- 18 clinicians in this Medicare group
Whittier, CA 90605
- Reassigned Medicare billing, Nevada enrollment
- 11 clinicians in this Medicare group
Las Vegas, NV 89123
- Reassigned Medicare billing, Nevada enrollment
- 11 clinicians in this Medicare group
Las Vegas, NV 89119
- Reassigned Medicare billing, Nevada enrollment
- 14 clinicians in this Medicare group
Phoenix, AZ 85029
- Reassigned Medicare billing, Arizona enrollment
- 2 clinicians in this Medicare group
Phoenix, AZ 85020
- Reassigned Medicare billing, Nevada enrollment
- 31 clinicians in this Medicare group
Tempe, AZ 85282
- Reassigned Medicare billing, Arizona enrollment
- 67 clinicians in this Medicare group
Burr Ridge, IL 60527
- Reassigned Medicare billing, Nevada enrollment
- 4 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 92868 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.
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
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 Tiffany Walker's NPI number?
The NPI number for Tiffany Walker is 1730683319. It was assigned to this individual provider in the NPPES registry on March 20, 2018.
Where is Tiffany Walker located?
Tiffany Walker practices at 1100 W Town And Country Rd Ste 1600, Orange, CA 92868. The listed phone number is (833) 402-5803.
What is Tiffany Walker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Tiffany Walker enrolled in Medicare?
Yes. Tiffany Walker 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 Tiffany Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tiffany Walker reassigns Medicare benefits to 8 organizations: Adobe Ph Ca Medical Group, P.C. (Brea, CA), Access Primary Care Physicians, Inc. (Whittier, CA), Mind Power Behavioral Services LLC (Las Vegas, NV), Brain Power Medical Center LLC (Las Vegas, NV), Walker Health Care PLLC (Phoenix, AZ) and 3 more organizations, listed in the Medicare section above. 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 Tiffany Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tiffany Walker accept?
Health plans from Oscar Insurance Company list Tiffany Walker 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 Tiffany Walker was last updated on July 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Ms. Tiffany Walker, NP · NPI 1730683319
Adult Health physician in Orange, California. Individual provider, active in the CMS NPPES registry since March 20, 2018.
## Identity
- **NPI:** 1730683319 (Entity type: Individual)
- **Enumerated:** March 20, 2018
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** APRN002775 (Nevada)
- **Sole proprietor:** No
## Practice location
- **Address:** 1100 W TOWN AND COUNTRY RD STE 1600, Orange, CA 92868-4698
- **Phone:** (833) 402-5803
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Adobe Ph Ca Medical Group, P.C. (NPI 1427889195, Brea, CA); Access Primary Care Physicians, Inc. (NPI 1750858510, Whittier, CA); Mind Power Behavioral Services LLC (NPI 1851871768, Las Vegas, NV); Brain Power Medical Center LLC (NPI 1265109011, Las Vegas, NV); Walker Health Care PLLC (NPI 1316879760, Phoenix, AZ); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** July 8, 2025
- **Other identifiers:** Medicaid 1730683319 (NV)
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Source: [NPI Profile](https://npiprofile.com/npi/1730683319) · Data from the CMS NPPES public registry.