Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. AMBER K. WALIA DNP
NPI 1659057313
Nurse Practitioner - Family in Menlo Park, CA

Active since June 26, 2023PECOS Enrolled
4600 BOHANNON DR STE 100, MENLO PARK, CA 94025(209) 677-7468 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 15, 2026, Jul 15, 2024, Jul 10, 2023 (3 updates tracked since 2023).

About Dr. Amber K. Walia Dnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. AMBER K. WALIA DNP (NPI 1659057313) is an individual family provider in Menlo Park, California, licensed in California (95025668) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (2023).

NPPES Registry Identity

NPI1659057313
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDR. AMBER K. WALIACredential: DNP
Location Address4600 BOHANNON DR STE 100Menlo Park, CA 94025-1037
Mailing Address20311 Edgewood CtChatsworth, CA 91311-1700 · (818) 825-2430
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2023
Enumeration DateJune 26, 2023
Last NPPES UpdateOctober 19, 20263 updates tracked since enumeration
NPPES CertifiedOctober 19, 2026
✔ NPI 1659057313 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95025668
4600 BOHANNON DR STE 100, Menlo Park, CA 94025

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

Dr. Amber K. Walia Dnp 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 ID8820442007
PECOS Enrollment IDI20230921001383
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 Reassignment

Medicare enrollment records show Amber Walia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Substance Abuse Rehabilitation Facility
44505 90TH ST W
Lancaster, CA 93536
  • Reassigned Medicare billing, California enrollment
  • 93 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 94025 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
4600 BOHANNON DR STE 100
MENLO PARK, CA 94025
Nurse Practitioner (Family)
4600 BOHANNON DR STE 100
MENLO PARK, CA 94025
Nurse Practitioner (Family)
4600 BOHANNON DR STE 100
MENLO PARK, CA 94025
Family Medicine
4600 BOHANNON DR STE 100
MENLO PARK, CA 94025
Family Medicine
4600 BOHANNON DR STE 100
MENLO PARK, CA 94025
Nurse Practitioner (Adult Health)
4600 BOHANNON DR STE 100
MENLO PARK, CA 94025
Registered Nurse
4600 BOHANNON DR STE 100
MENLO PARK, CA 94025
Family Medicine
4600 BOHANNON DR STE 100
MENLO PARK, CA 94025

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 Amber Walia's NPI number?

The NPI number for Amber Walia is 1659057313. It was assigned to this individual provider in the NPPES registry on June 26, 2023.

Where is Amber Walia located?

Amber Walia practices at 4600 Bohannon Dr Ste 100, Menlo Park, CA 94025. The listed phone number is (209) 677-7468.

What is Amber Walia's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Amber Walia enrolled in Medicare?

Yes. Amber Walia 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 organization bills Medicare for Amber Walia's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amber Walia reassigns Medicare benefits to Tarzana Treatment Centers, Inc (Lancaster, CA). The 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 Amber Walia'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 Amber Walia was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.