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MACKENZIE MCGREGOR STUART MA, LMFT
NPI 1679812713
Counselor - Mental Health in Alameda, CA

Active since February 09, 2013Opted out of Medicare · through Jan 1, 2028
2329 SANTA CLARA AVE STE 202, ALAMEDA, CA 94501(510) 394-4679 Get Directions Write a Review

NPPES record last updated: January 30, 2022. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jan 30, 2022, Sep 20, 2018, Dec 21, 2015 (3 updates tracked since 2015).

About Mackenzie Mcgregor Stuart Ma, Lmft NPPES

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

MACKENZIE MCGREGOR STUART MA, LMFT (NPI 1679812713) is an individual mental health provider in Alameda, California, licensed in California (MFC 83491) and active in the NPI registry since February 2013. She has opted out of Medicare through January 1, 2028.

NPPES Registry Identity

NPI1679812713
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMACKENZIE MCGREGOR STUARTCredential: MA, LMFT
Location Address2329 SANTA CLARA AVE STE 202Alameda, CA 94501-4521
Mailing AddressPo Box 6384Alameda, CA 94501-8184 · (510) 394-4679
Phone(510) 394-4679
Sole ProprietorYes
Enumeration DateFebruary 9, 2013
Last NPPES UpdateJanuary 30, 20223 updates tracked since enumeration
NPPES CertifiedJanuary 30, 2022
✔ NPI 1679812713 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in CA · MFC 83491
2329 SANTA CLARA AVE STE 202, Alameda, CA 94501
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mackenzie Mcgregor Stuart Ma, Lmft has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2024 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2024
Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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 Mackenzie Stuart's NPI number?

The NPI number for Mackenzie Stuart is 1679812713. It was assigned to this individual provider in the NPPES registry on February 9, 2013.

Where is Mackenzie Stuart located?

Mackenzie Stuart practices at 2329 Santa Clara Ave Ste 202, Alameda, CA 94501. The listed phone number is (510) 394-4679.

What is Mackenzie Stuart's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Mackenzie Stuart enrolled in Medicare?

No. Mackenzie Stuart has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Mackenzie Stuart was last updated on January 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.