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Physician Profile

John S. Sowinski, MD

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Where to find John S. Sowinski, MD

About Dr. Sowinski

John S. Sowinski, MD is a healthcare provider in San Francisco, CA specializing in diagnostic radiology. John trained at Indiana University School of Medicine, graduating in 2018. John is also listed as specializing in student in an organized health care education program. Medicare claims data shows John provided 1,230 services to 1,156 patients. The services billed most often include x-ray of chest, 1 view, ct scan of chest without contrast, and x-ray of chest, 2 views. This provider record is associated with NPI 1881190627.

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. 187039DelinquentExpired Jun 30, 2025Since 2023
NC licenceAs reported to the NPI registry
No. 2026-00784As reported
NPINational Provider Identifier
1881190627Issued 2018

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 does Dr. Sowinski specialize in?

Dr. Sowinski 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

Where is Dr. Sowinski located?

Dr. Sowinski 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

What is Dr. Sowinski's phone number?

The number on file is (415) 502-2673. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Sowinski?

Dr. Sowinski's National Provider Identifier is 1881190627. 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. Sowinski go to medical school?

Dr. Sowinski attended Indiana University School of Medicine, graduating in 2018. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Sowinski have?

Dr. Sowinski has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.

CMS public data

What does Dr. Sowinski do most often?

According to Medicare billing data, Dr. Sowinski performs imaging including x-ray of chest, 1 view and ct scan of chest without contrast; provides treatments such as ultrasound of abdomen and pelvis artery and vein blood flow. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Dr. Sowinski's profile verified?

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

Guide.md

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

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