Summary

Dr. James Neifing specializes in endocrinology, diabetes and metabolism, as well as internal medicine. He earned his medical degree from the University of Illinois at Chicago College of Medicine and completed his residency at Legacy Health System. With four decades of medical practice, Dr. Neifing brings extensive experience to his patients' care. He is fluent in both English and Spanish.

Dr. Neifing practices at Legacy Good Samaritan Medical Center in Portland, Oregon. He focuses on treating conditions such as high blood sugar, hyperglycemia, and blood sugar emergencies in children. His expertise includes performing thyroid hormone tests, lipid panels, and thyroid function evaluations. Patients rate Dr. Neifing 4.1 out of 5 stars for his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.1
  • 40 years of experience
  • speaks English, Spanish
  • Legacy Health System
  • 2 written reviews
  • 2 specialties
  • 15 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

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

Office Location

Portland Diabetes And Endocrinology Center Pc

9135 SW Barnes Rd Ste 985Portland, OR 97225
Mon8:30 am - 4:30 pm
Tue8:30 am - 4:30 pm
Wed8:30 am - 4:30 pm
Thu8:30 am - 4:30 pm
Fri8:30 am - 4:30 pm
SatClosed
SunClosed

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Dr. James Lester Neifing, MD
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Dr. James Lester Neifing, MDDr. Cynthia Poe Bartley, MDDr. Christine Elizabeth BoyerDr. John Mosgrove Aregood III, MD
Endocrinology, Diabetes & MetabolismInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
40 Years of Experience 34 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English Speaks English
Portland , ORBend , ORPortland , ORPortland , OR
Med School: University Of Illinois At Chicago College Of Medicine Med School: University Of Illinois At Chicago College Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. James Lester Neifing

  • Accepts Medicare

Medical Specialties

Dr. James Lester Neifing has the following 2 specialties

Specialty Expertise

Dr. James Lester Neifing has the following 15 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes
  • Diabetes (Types I & II)
  • Diabetes Mellitus, Type 1
  • Diabetes, Type 2
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Internal Medicine
  • Osteoporosis

Certifications, License, & Education

40 Years Experience

Dr. James Lester Neifing holds an expired medical license in the state of Oregon.

Medical License

Medical Doctor with an expired medical license in the state of Oregon that expired in 2025.

Education & Training

Residency

Completed their residency at Legacy Health System.

Medical School

Graduated from University Of Illinois At Chicago College Of Medicine in 1986.

NPI Number

Dr. Neifing's NPI number is 1437207941.

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Frequently Asked Questions

Does Dr. James Neifing accept my insurance?
You can see the insurance plans that Dr. James Neifing accepts on their Vitals profile.
Is Dr. James Neifing accepting new patients?
Dr. James Neifing is accepting new patients on Vitals. View Dr. James Neifing's profile on Vitals to make an appointment.
How can I make an appointment with Dr. James Neifing?
You can find contact information for Dr. James Neifing here on Vitals.
Does Dr. James Neifing accept virtual/telehealth appointments?
Dr. James Neifing has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. James Neifing affiliated with?
Dr. James Neifing is affiliated with Legacy Good Samaritan Medical Center.

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