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

Jana Portnow, MD

Internal Medicine Physician

NPI: 1679680458

4.9

105 reviews

19

Years Exp.

Duarte

CA

Internal Medicine

Specialty

About

Dr. Jana Portnow, MD, is a dedicated internal medicine physician located in Duarte, CA. She specializes in providing long-term, comprehensive care for adolescents, adults, and the elderly, managing both common and complex illnesses. Dr. Portnow’s expertise includes the diagnosis and treatment of a wide range of conditions affecting the heart, lungs, kidneys, and digestive systems, among others.

With a patient rating of 4.9 out of 5 based on 105 reviews, Dr. Portnow has garnered an overwhelmingly positive response from her patients. Many express gratitude for her knowledge in neuro-oncology, particularly in treating brain tumors, and highlight her compassionate bedside manner. Patients frequently describe her and her physician assistant as

Practicing Since

Aug 2006

Gender

Female

Experience

19 years

CA Medical License

#A80221

Practice Type

Group Practice

NPI Number

1679680458

Additional Specialties

Internal Medicine
Avg. Self-Pay Rate

$80

Low

$85

Median

$250

High

A typical office visit with a internal medicine physician in CA costs between $80 and $250, with a median of $85. These figures are based on negotiated office visit rates (CPT 99213–99215) disclosed under the Transparency in Coverage Act.

Actual office visit costs for Dr. Jana Portnow, MD may vary depending on visit complexity, your insurance plan, and coverage details. Contact the provider's office for exact pricing.

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

Duarte Low

$80

Duarte Typical

$178

Duarte High

$205

In Duarte, a typical internal medicine physician visit costs $178, ranging from $80 to $205. This is 109% above the California state median of $85. Based on 8 providers with published pricing data.

Across California, a internal medicine physician visit ranges from $80 to $250 with a median of $85. This is 7% below the national median of $91. Based on 2,792 providers with published pricing data.

There are 22 internal medicine physicians in Duarte and 5,319 across California on our platform.

Individual negotiated rates for this provider are not yet available.

See full internal medicine physician cost breakdown in California
Patient Reviews

4.9

105 reviews · City of Hope

Overall, patient sentiment towards Dr. Jana Portnow, MD, is overwhelmingly positive, with a high rating of 4.9 out of 5 based on 105 reviews. Patients frequently express gratitude for her expertise in neuro-oncology, particularly in the treatment of brain tumors. Many reviews highlight her compassionate bedside manner, with patients describing her and her physician assistant as "angels" who are dedicated to saving lives. The thoroughness with which she explains treatment options and her attentiveness to patient concerns are also commonly praised, indicating that she takes the time to ensure patients understand their conditions and treatment plans. While the reviews are largely favorable, there are no significant criticisms noted. However, as with many medical practices, some patients may experience typical wait times associated with appointments, though specific complaints regarding this aspect were not prevalent in the reviews. Notably, patients repeatedly mention the life-saving impact of Dr. Portnow's care and her commitment to innovative treatments, including participation in clinical trials for cutting-edge therapies. This suggests that she is not only a skilled practitioner but also actively engaged in advancing the field of oncology. Overall, Dr. Portnow appears to be a highly regarded choice for patients seeking specialized care in neuro-oncology.

Location

Address

1500 DUARTE RD

Duarte, CA 91010

Phone

6264719200
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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.