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Profile last updated: March 2026How we source this data
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Provider Profile

Jon Portnoff, M.D.

Cardiovascular Disease Physician

NPI: 1609874445

5

127 · Healthgrades

20

Years Exp.

Ukiah

CA

Internal Medicine

Specialty

About

Dr. Jon Portnoff, MD, is a board-certified cardiovascular disease physician based in Ukiah, CA. He specializes in diagnosing and managing complex cardiac conditions, including heart attacks and abnormal heartbeat rhythms, ensuring comprehensive care for his patients.

With numerous positive reviews, Dr. Portnoff has built a strong reputation in the community, receiving an outstanding 5.0/5 rating from 177 patients. His expertise in cardiology and attentive bedside manner have earned him high praise, with many patients noting his ability to clearly explain conditions and treatments while taking the time to address their concerns.

Dr. Portnoff has been practicing in the field of cardiovascular disease for several years, providing top-tier care to his patients. The estimated cost for a visit starts at $145, making his services accessible to those seeking expert cardiac care.

Practicing Since

Jul 2005

Gender

Male

Experience

20 years

CA Medical License

#A43219

Practice Type

Group Practice

NPI Number

1609874445

Additional Specialties

Internal Medicine, Interventional Cardiology
Avg. Self-Pay Rate

Self-pay rates shown are averages across all procedures on file for this provider, sourced from Transparency in Coverage Act data. These are cash-pay prices — what you'd typically pay without using insurance. Actual rates may vary by procedure, location, and date of service.

CRITICAL CARE ILL/INJURED PATIENT INIT 30-74 MIN

CPT: 99291professional

$313

OFFICE/OUTPATIENT NEW HIGH MDM 60 MINUTES

CPT: 99205professional

$295

1ST HOSPITAL IP/OBS CARE HIGH MDM 75 MINUTES

CPT: 99223professional

$281

Cost data sourced from insurer Transparency in Coverage Act filings. Costs shown are negotiated rates and may not reflect your actual out-of-pocket cost. Learn about our data

Local Market

California Low

$80

California Typical

$85

California High

$251

Across California, a cardiovascular disease physician visit ranges from $80 to $251 with a median of $85. This is 13% below the national median of $97. Based on 346 providers with published pricing data.

There is 1 cardiovascular disease physician in Ukiah and 67 across California on our platform.

Dr. Jon Portnoff, MD's rate of $157 is 84% above the California median.

See full cardiovascular disease physician cost breakdown in California
Patient Reviews

5

127 reviews

Healthgrades

Overall, patient sentiment regarding Dr. Jon Portnoff, MD, is overwhelmingly positive, with a perfect 5-star rating based on 177 reviews. Patients frequently commend his expertise in cardiology, noting his ability to clearly explain conditions and treatments. Many reviewers appreciate his attentive bedside manner, stating that he takes the time to listen to their concerns and does not rush appointments. This level of care contributes to a strong sense of trust among his patients. Common themes in praise include Dr. Portnoff's thoroughness during examinations and his willingness to answer questions, which enhances the overall patient experience. Additionally, patients highlight the supportive and efficient nature of the staff at Ukiah Valley Medical Center, which further improves their visits. While the reviews are predominantly positive, some patients have expressed a desire for more thoroughness in the examination process, indicating that there may be room for improvement in this area. However, these criticisms are minor compared to the overall satisfaction reflected in the reviews. Notably, patients consistently mention feeling well cared for and valued during their interactions with Dr. Portnoff, making him a highly recommended choice for those seeking cardiology services.

Location

Address

260 HOSPITAL DR

SUITE 207

Ukiah, CA 95482

Phone

7074632400
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Momentary Lab sources provider data from the CMS NPI Registry and cost data from federal Transparency in Coverage files. Reviews aggregated from Healthgrades, Vitals, WebMD, and other public sources. Learn how we verify and update healthcare information.

This page is for informational purposes only and does not constitute medical advice. Cost estimates are based on publicly available negotiated rate data and may not reflect your actual out-of-pocket cost. Always consult with your healthcare provider and insurance company for accurate cost information and medical decisions.