KATHERINE MERCELIA MACKENZIE MD
NPI 1194963959
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Palo Alto, CA

Active since January 30, 2009PECOS Enrolled
725 WELCH RD, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: November 10, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 10, 2023, Nov 27, 2017 (2 updates tracked since 2017).

About Katherine Mercelia Mackenzie Md NPPES

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

KATHERINE MERCELIA MACKENZIE MD (NPI 1194963959) is an individual neurology with special qualifications in child neurology provider in Palo Alto, California, licensed in California (A104126) and active in the NPI registry since January 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194963959
Entity TypeIndividualFemale
Primary Taxonomy2084N0402X
Provider Legal NameKATHERINE MERCELIA MACKENZIECredential: MD
Location Address725 WELCH RDPalo Alto, CA 94304-1601
Mailing Address725 Welch RdPalo Alto, CA 94304-1601 · (650) 497-8000
Sole ProprietorNo
Enumeration DateJanuary 30, 2009
Last NPPES UpdateNovember 10, 20232 updates tracked since enumeration
NPPES CertifiedNovember 10, 2023
NPI 1194963959 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
License Licensed in CA · A104126
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
725 WELCH RD, Palo Alto, CA 94304

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Katherine Mercelia Mackenzie Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 94304 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

Occupational Therapist (Pediatrics)
725 WELCH RD
PALO ALTO, CA 94304
Nurse Practitioner (Neonatal)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics
725 WELCH RD
PALO ALTO, CA 94304
Anesthesiology (Pediatric Anesthesiology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Hematology-Oncology)
725 WELCH RD
PALO ALTO, CA 94304
Occupational Therapist
725 WELCH RD
PALO ALTO, CA 94304
Nurse Practitioner
725 WELCH RD
PALO ALTO, CA 94304
Hospitalist
725 WELCH RD
PALO ALTO, CA 94304

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 Katherine Mackenzie's NPI number?

The NPI number for Katherine Mackenzie is 1194963959. It was assigned to this individual provider in the NPPES registry on January 30, 2009.

Where is Katherine Mackenzie located?

Katherine Mackenzie practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.

What is Katherine Mackenzie's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Is Katherine Mackenzie enrolled in Medicare?

Yes. Katherine Mackenzie is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Katherine Mackenzie was last updated on November 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.