MS. TIFFANY WALKER NP
NPI 1730683319
Nurse Practitioner - Adult Health in Orange, CA

Active since March 20, 2018PECOS EnrolledAccepts Medicare Assignment
1100 W TOWN AND COUNTRY RD STE 1600, ORANGE, CA 92868(833) 402-5803 Get Directions Write a Review

NPPES record last updated: July 8, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 8, 2025, Feb 8, 2021, Mar 20, 2018 (3 updates tracked since 2018).

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

NPI1730683319
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMS. TIFFANY WALKERCredential: NP
Location Address1100 W TOWN AND COUNTRY RD STE 1600Orange, CA 92868-4698
Mailing Address7421 Margollini StLas Vegas, NV 89148-2670 · (702) 767-9346
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMarch 20, 2018
Last NPPES UpdateJuly 8, 20253 updates tracked since enumeration
NPPES CertifiedJuly 8, 2025
✔ NPI 1730683319 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in NV · APRN002775
Also ListedNurse PractitionerTaxonomy 363L00000X · License APRN002775 (NV)
Also ListedNurse Practitioner · GerontologyTaxonomy 363LG0600X · License APRN002775 (NV)
1100 W TOWN AND COUNTRY RD STE 1600, Orange, CA 92868

Secondary Practice Location 1

Location 17421 Margollini StLas Vegas, NV 89148-2670 · Phone (702) 767-9346

Other Identifiers 1

Medicaid1730683319NV

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.

PECOS PAC ID5193087443
PECOS Enrollment IDI20180326001149
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

8

Medicare 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.

Family Medicine
135 S STATE COLLEGE BLVD # 228
Brea, CA 92821
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Adobe Ph Ca Medical Group PC
  • 18 clinicians in this Medicare group
Family Medicine
9209 COLIMA RD STE 4400
Whittier, CA 90605
  • Reassigned Medicare billing, Nevada enrollment
  • 11 clinicians in this Medicare group
General Practice
8565 S EASTERN AVE STE 150
Las Vegas, NV 89123
  • Reassigned Medicare billing, Nevada enrollment
  • 11 clinicians in this Medicare group
General Practice
4570 S EASTERN AVE STE 28
Las Vegas, NV 89119
  • Reassigned Medicare billing, Nevada enrollment
  • 14 clinicians in this Medicare group
Adult Health
11225 N 28TH DR STE F114
Phoenix, AZ 85029
  • Reassigned Medicare billing, Arizona enrollment
  • 2 clinicians in this Medicare group
Family Medicine
7500 N DREAMY DRAW DR STE 100
Phoenix, AZ 85020
  • Reassigned Medicare billing, Nevada enrollment
  • 31 clinicians in this Medicare group
Nurse Practitioner
4041 S MCCLINTOCK DR STE 302
Tempe, AZ 85282
  • Reassigned Medicare billing, Arizona enrollment
  • 67 clinicians in this Medicare group
Infectious Disease
901 MCCLINTOCK DR, SUITE 202
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.

Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
13 services11 patients

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.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Physician Assistant
1100 W TOWN AND COUNTRY RD STE 1600
ORANGE, CA 92868
Nurse Practitioner (Family)
1100 W TOWN AND COUNTRY RD STE 1600
ORANGE, CA 92868
Health Maintenance Organization
1100 W TOWN AND COUNTRY RD STE 1600
ORANGE, CA 92868
Nurse Practitioner (Family)
1100 W TOWN AND COUNTRY RD STE 1600
ORANGE, CA 92868
Nurse Practitioner (Family)
1100 W TOWN AND COUNTRY RD STE 1600
ORANGE, CA 92868
Nurse Practitioner (Primary Care)
1100 W TOWN AND COUNTRY RD STE 1600
ORANGE, CA 92868
Physician Assistant
1100 W TOWN AND COUNTRY RD STE 1600
ORANGE, CA 92868
Nurse Practitioner (Family)
1100 W TOWN AND COUNTRY RD STE 1600
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.