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Physician Profile

Jon S. Portnoff, M.D.

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At a glance

About Dr. Portnoff

Based in Ukiah, CA, Jon S. Portnoff, M.D. is listed in the NPI registry under cardiovascular disease. Jon is also listed as specializing in interventional cardiology. Medicare claims data shows Jon provided 3,115 services to 2,279 patients. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and ultrasound of heart with color-depicted blood flow, rate, direction and valve function. NPI 1609874445 identifies this record in the national registry.

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

Education & Training

School Other Graduated: 1984

Specialty

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 43219CurrentExpires Jan 2028Since 1986
NPINational Provider Identifier
1609874445Issued 2005

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 is Jon S. Portnoff's specialty?

Jon S. Portnoff is a cardiologist in Ukiah, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.

NPI registry

Where can I find Jon S. Portnoff?

Jon S. Portnoff is listed at 260 Hospital Dr Suite 207, Ukiah, CA 95482. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Jon S. Portnoff?

The number on file is (707) 463-2400. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Jon S. Portnoff?

Jon S. Portnoff's National Provider Identifier is 1609874445. 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

What is Jon S. Portnoff's education?

Jon S. Portnoff attended Other, graduating in 1984. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Jon S. Portnoff have?

Jon S. Portnoff has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.

CMS public data

What is Jon S. Portnoff known for?

According to Medicare billing data, Jon S. Portnoff provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Jon S. Portnoff's profile verified?

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

Guide.md

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