ALEXANDRA CHRISTINE WALTON MD
NPI 1316524960
Emergency Medicine in Oakland, CA

Active since March 28, 2021PECOS EnrolledAccepts Medicare Assignment
1411 E 31ST ST, OAKLAND, CA 94602(510) 307-1500 Get Directions Write a Review

NPPES record last updated: June 18, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 18, 2025, Jun 9, 2025, Mar 28, 2021 (3 updates tracked since 2021).

About Alexandra Christine Walton Md NPPES

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

ALEXANDRA CHRISTINE WALTON MD (NPI 1316524960) is an individual emergency medicine provider in Oakland, California, licensed in California (A192992) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Pleasanton, and is a graduate of University Of Pittsburgh School Of Medicine (2021).

NPPES Registry Identity

NPI1316524960
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameALEXANDRA CHRISTINE WALTONCredential: MD
Location Address1411 E 31ST STOakland, CA 94602-1018
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 307-1500
Sole ProprietorNo
Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 2021
Enumeration DateMarch 28, 2021
Last NPPES UpdateJune 18, 20253 updates tracked since enumeration
NPPES CertifiedJune 18, 2025
NPI 1316524960 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in CA · A192992
Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

1411 E 31ST ST, Oakland, CA 94602

Secondary Practice Location 1

Location 15555 W Las Positas BlvdPleasanton, CA 94588-4000 · Phone (844) 301-0805

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Alexandra Christine Walton Md 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 ID9436696101
PECOS Enrollment IDI20240731002002
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94602 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 20

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

Social Worker (Clinical)
1411 E 31ST ST
OAKLAND, CA 94602
Nurse Practitioner (Family)
1411 E 31ST ST
OAKLAND, CA 94602
Obstetrics & Gynecology
1411 E 31ST ST, OAKCARE MEDICAL GROUP
OAKLAND, CA 94602
Clinical Nurse Specialist (Emergency)
1411 E 31ST ST
OAKLAND, CA 94602
Social Worker (Clinical)
1411 E 31ST ST, ALAMEDA COUNTY MEDICAL CENTER - MEDICAL SOCAL WORK SRVC
OAKLAND, CA 94602
Registered Nurse (Ambulatory Care)
1411 E 31ST ST
OAKLAND, CA 94602
Emergency Medicine
1411 E 31ST ST
OAKLAND, CA 94602
Surgery
1411 E 31ST ST
OAKLAND, CA 94602

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 Alexandra Walton's NPI number?

The NPI number for Alexandra Walton is 1316524960. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Where is Alexandra Walton located?

Alexandra Walton practices at 1411 E 31st St, Oakland, CA 94602. The listed phone number is (510) 307-1500.

What is Alexandra Walton's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Alexandra Walton enrolled in Medicare?

Yes. Alexandra Walton 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.

When was this NPI record last updated?

The NPPES record for Alexandra Walton was last updated on June 18, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.