DR. ZACHARY BONZELL MD
NPI 1669111720
Psychiatry & Neurology - Psychiatry in San Francisco, CA

Active since May 27, 2022PECOS Enrolled
675 18TH ST, SAN FRANCISCO, CA 94143(510) 333-1390 Get Directions Write a Review

NPPES record last updated: November 3, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 3, 2025, Jun 30, 2025, May 27, 2022 (3 updates tracked since 2022).

About Dr. Zachary Bonzell Md NPPES

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

DR. ZACHARY BONZELL MD (NPI 1669111720) is an individual psychiatry provider in San Francisco, California, licensed in California (A201283) and active in the NPI registry since May 2022. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2022).

NPPES Registry Identity

NPI1669111720
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. ZACHARY BONZELLCredential: MD
Location Address675 18TH STSan Francisco, CA 94143-4200
Mailing Address5649 Castle DrOakland, CA 94611-2727 · (510) 333-1390
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2022
Enumeration DateMay 27, 2022
Last NPPES UpdateNovember 3, 20253 updates tracked since enumeration
NPPES CertifiedNovember 3, 2025
NPI 1669111720 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in CA · A201283
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
675 18TH ST, San Francisco, CA 94143

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Zachary Bonzell Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3870061492
PECOS Enrollment IDI20260501001753
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 94143 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
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
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.

Student in an Organized Health Care Education/Training Program
675 18TH ST
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Psychiatry)
675 18TH ST
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Psychiatry)
675 18TH ST
SAN FRANCISCO, CA 94143
Social Worker
675 18TH ST
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Psychiatry)
675 18TH ST
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
675 18TH ST
SAN FRANCISCO, CA 94143
Psychologist (Clinical Child & Adolescent)
675 18TH ST
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Psychiatry)
675 18TH ST
SAN FRANCISCO, CA 94143

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 Zachary Bonzell's NPI number?

The NPI number for Zachary Bonzell is 1669111720. It was assigned to this individual provider in the NPPES registry on May 27, 2022.

Where is Zachary Bonzell located?

Zachary Bonzell practices at 675 18th St, San Francisco, CA 94143. The listed phone number is (510) 333-1390.

What is Zachary Bonzell's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Zachary Bonzell enrolled in Medicare?

Yes. Zachary Bonzell is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Zachary Bonzell was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.