Are you Dr. Walker? This profile is yours to edit: update your address, phone, photo and services.

Edit this profile

Physician Profile

Zachary Walker, MD

Is this you? Edit this profile

Where to find Zachary Walker, MD

About Dr. Walker

Zachary Walker, MD is a healthcare provider in San Francisco, CA specializing in diagnostic radiology. Zachary trained at Duke University School of Medicine, graduating in 2017. Zachary is also listed as specializing in student in an organized health care education program. Medicare claims data shows Zachary provided 4,369 services to 2,219 patients. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, x-ray of chest, 1 view, and ct scan of abdomen and pelvis with contrast. This provider record is associated with NPI 1164955571.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

Specialty

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 161614DelinquentExpired Mar 31, 2025Since 2019
NULL licenceAs reported to the NPI registry
No. MD61397905As reported
NPINational Provider Identifier
1164955571Issued 2017

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Dr. Walker?

Dr. Walker is a radiologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.

NPI registry

What is Dr. Walker's address?

Dr. Walker is listed at 505 Parnassus Ave, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Walker?

The number on file is (415) 353-1821. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Walker?

Dr. Walker's National Provider Identifier is 1164955571. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Dr. Walker train?

Dr. Walker attended Duke University School of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Walker have?

Dr. Walker has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.

CMS public data

What procedures does Dr. Walker perform?

According to Medicare billing data, Dr. Walker performs imaging including x-ray of chest, 1 view and ct scan of abdomen and pelvis with contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Dr. Walker's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Walker. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.

A GigHz company · Founder: Pouyan Golshani, MD