Dr. Jason L. Umphress, MD | Woodland, CA | Gastroenterologist

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Dr. Jason Umphress is a gastroenterologist who specializes in diagnosing and treating disorders of the digestive system. He earned his medical degree from UC San Diego/UCSD Rady Children's Hospital and completed his residency at Kaiser Permanente Medical Center in San Francisco. Dr. Umphress further advanced his training through a fellowship in the Internal Medicine Program at UC Davis Medical Center. He provides care to patients in English.

Dr. Umphress practices at Woodland Memorial Hospital and sees patients at the Specialty Care - Dignity Health Woodland Clinic in Woodland, CA. His expertise includes treating colon polyps and diverticular disease. He also provides care for patients with hemorrhoids. Dr. Umphress performs colonoscopies and lower GI endoscopy procedures to help diagnose digestive conditions. Patients have given him an average rating of 4.5 stars for his care.

Overview based on verified provider data

accepting new patients
4.5

21 Ratings
29 insurance plans accepted
speaks English
UC Davis Medical Center - IM Program
18 written reviews
1 award
1 specialty
10 areas of expertise
3 board certifications
1 hospital affiliation
1 office location
Male

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me

Based on patient feedback. Read the reviews

Dr. Umphress' Ratings and Reviews

4.5

21 Ratings with 18 written Reviews

Average Wait Time 5 Minutes

How was your appointment with
Dr. Umphress?

Patients’ Perspective

Gave an accurate diagnosis: (1) Did WellNeeds Improvement (0)
Had a good bedside manner: (1) Did WellNeeds Improvement (0)
Spent time with me: (1) Did WellNeeds Improvement (0)
Provided follow-up after the visit: (1) Did WellNeeds Improvement (0)
Flexible scheduling: (1) Did WellNeeds Improvement (0)
Saw me in a timely manner: No Ratings
Staff was courteous: No Ratings

Patients appreciate Dr. Jason Lee Umphress for his down-to-earth demeanor, helpfulness, and informative nature, highlighting his thorough explanations and excellent treatment from him and his staff. They commend the efficient processes from check-in to check-out and express trust in the care provided, especially during complex health journeys. However, some patients feel rushed during appointments, noting that Dr. Umphress talks quickly and leaves little time for questions, which raises concerns about inadequate listening.

AI-generated from the text of patient reviews

21 ratings & reviews

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Showing 1 to 10 of 18 reviews

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He's the best. So down to earth and helpful and informative.

February 11th, 2026 | Source: Partner

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Everything from check-in to check-out went very efficiently.

February 9th, 2026 | Source: Partner

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Explained everything well

February 8th, 2026 | Source: Partner

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Dr. Umphress is a stellar provider. Woodland healthcare is lucky to have him.

January 24th, 2026 | Source: Partner

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The doctor greeted me and explained the advantages and disadvantages of the study, possible post-intervention risks.

August 14th, 2025 | Source: Partner

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Great experience from start to finish

April 18th, 2025 | Source: Partner

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Excellent treatment by Dr and staff throughout process

December 8th, 2024 | Source: Partner

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Dr Umphress has been wonderful during my Crohn's diagnosis journey. I feel very well taken care of by him and his team.

November 16th, 2024 | Source: Partner

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Dr umphress is great

November 14th, 2024 | Source: Partner

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I felt rushed through the whole appointment. He did most of the talking and talked very fast. Little time was left for me to ask questions. He does not listen well.

September 28th, 2024 | Source: Partner

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Specialty Care - Dignity Health Woodland Clinic - Woodland, CA

1321 Cottonwood StWoodland, CA 95695

Tel: (530) 668-2600

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 5:00 pm

SatClosed

SunClosed


Dr. Jason L. Umphress, MD	Chimdi Mfebe, APRN	Bhavana Akotia, PA-C	Rebecca Humphries, APRN
Gastroenterology	Gastroenterology	Gastroenterology	Gastroenterology
Accepts New Patients	Accepts New Patients	Accepts New Patients	Accepts New Patients
4.5 (21 Ratings)	0 (0 Ratings)	0 (0 Ratings)	0 (0 Ratings)
No Virtual Visit Option	Virtual Visit Available	Virtual Visit Available	Virtual Visit Available
Speaks English	Speaks English	Speaks English	Speaks English
Woodland , CA	Little Rock , AR	Tempe , AZ	SACRAMENTO , CA
Med School: UC San Diego/UCSD Rady Children's Hosp	Med School: Chamberlain University College of Nursing	Med School: Charles R Drew University	Med School: Emory University
Current Profile	View Profile	View Profile	View Profile

Search for your insurance and plan

Gastroenterology

Abdominal Pain
Acid Reflux Disease (Gastroesophageal Reflux / GERD)
Acid Reflux Disease (GERD)
Celiac Disease
Colonoscopy
Constipation
Hemorrhoids
Hepatitis C
Irritable Bowel Syndrome (IBS)
Ulcerative Colitis

MEDICAL LICENSE

Medical Doctor, California, 2025, Expired

EDUCATION & TRAINING

Fellowship

UC Davis Medical Center - IM Program

Residency

Kaiser Permanente Medical Center - San Francisco

Medical School

UC San Diego/UCSD Rady Children's Hosp

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Nurse Practitioner
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Nurse Practitioner
| Sacramento, CA
(0)
Dr. Robert Ezra Levy, MD
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15 Years Exp | Sacramento, CA
(2)
Dr. Shiro Urayama, MD
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34 Years Exp | Sacramento, CA
(0)
Dr. Fong-Kuei Frank Cheng, MD
Gastroenterology
19 Years Exp | Chico, CA
(0)
Dr. Sadhanandham C Tivakaran, MD
Gastroenterology
49 Years Exp | Roseville, CA
(5)
Dr. Ralph Eddye Koldinger, MD
Internal Medicine
63 Years Exp | Sacramento, CA
(3)
Dr. John Tadao Hata, MD
Gastroenterology
53 Years Exp | Sacramento, CA
(2)
Dr. Henry Yue Iu Mok, MD
Gastroenterology
61 Years Exp | Sacramento, CA
(4)
Dr. Michelle Hl Lee
Gastroenterology
11 Years Exp | Sacramento, CA
(0)

Does Dr. Jason Umphress accept my insurance?: You can see the insurance plans that Dr. Jason Umphress accepts on their Vitals profile.
What languages does Dr. Jason Umphress speak?: Dr. Jason Umphress speaks English.
Which hospitals is Dr. Jason Umphress affiliated with?: Dr. Jason Umphress is affiliated with Woodland Memorial Hospital.
How can I make an appointment with Dr. Jason Umphress?: You can find contact information for Dr. Jason Umphress here on Vitals.
Where is Dr. Jason Umphress's office located?: Dr. Jason Umphress's office is located at 1321 Cottonwood St, Woodland, CA, 95695.

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