What patients are saying
Overall rating
5.00
Average wait time
5.00
Bedside manner
5.00
“Dr. Lin is an amazing doctor. He’s attentive in such a caring manner. He’s always available to answer questions without hesitation. He’s always there to lend a helping hand. Thank you Dr. for all your support, patience, and encouragement. ”
SFLess than 3 months ago
“Dr. Josh Lin is the first PCP I’ve had who actually feels reachable.
Before this, it was always the same routine—call the office, sit on hold, get told someone will call back, and meanwhile, you’re still feeling awful. With Dr. Lin, I can message him directly and get help quickly. No runaround.
He listens, explains things clearly, and doesn’t rush you. If you’re tired of the “in-and-out” model and want real access to your doctor. I am very happy with his care for me.”
DLLess than 3 months ago
About Dr. Joshua Lin
Pricing:
$200 — 60-minute comprehensive new-patient visit (includes ongoing care for the first month)
$100/month — ongoing membership with unlimited visits (no per-visit fee)
While visits are self-pay, many patients still use insurance/HSA/FSA for prescriptions, labs, imaging, and specialist visits through outside providers
Introduction:
Dr. Josh Lin is a board-certified Internal Medicine physician in Irvine and part of Portola Direct Primary Care—a membership-based, self-pay practice built for people who want time, access, and a root-cause plan (not medication-only care).
Many patients choose Dr. Lin because they share his Christian faith and appreciate a physiology-first, lifestyle-forward approach. He is also Taiwanese and Mandarin-speaking, and patients often describe him as friendly, kind, and easy to talk to. Patients of all backgrounds are welcome.
Access matters: Appointments are never rushed. We sit down over a cup of tea or coffee and take our time to care. Members can also use telemedicine and secure messaging for timely guidance. Messages are reviewed directly by Dr. Lin (not a call center), so care feels simpler and more personal.
Common reasons patients book:
“Something feels off” concerns (rash, fever, sudden pain), often with same-day guidance
Metabolic health (blood pressure, cholesterol, weight, insulin resistance), with the goal of getting healthier and reducing reliance on pharmaceuticals
Includes lifestyle medicine, nutrition coaching, and—when helpful—professional-grade supplements with physician guidance to support metabolic and hormonal health (available at member pricing, often below retail)
Sleep issues, chronic pain, heart issues, cancer prevention planning, and other anti-aging strategies
Hormone monitoring/optimization
Advanced screening and prevention-focused testing beyond rushed annual visits
Burnout/anxiety/depression symptoms and work-impact documentation (FMLA/disability) when medically appropriate
Office location
Education and background
Practice names
Board certifications
- American Board of Internal Medicine
Education and training
- Medical School - Western University of Health Sciences, Doctor of Osteopathic Medicine
- UCSF Fresno, Residency in Internal Medicine
Languages spoken
- English
- Chinese (Mandarin)
Provider's gender
Male
NPI number
1114289550
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
5.00
Wait time
5.00
Bedside manner
5.00
Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here
6 reviews
Most relevant
Dr. Lin is an amazing doctor. He’s attentive in such a caring manner. He’s always available to answer questions without hesitation. He’s always there to lend a helping hand. Thank you Dr. for all your support, patience, and encouragement.
Less than 3 months agoSF
Dr. Josh Lin is the first PCP I’ve had who actually feels reachable.
Before this, it was always the same routine—call the office, sit on hold, get told someone will call back, and meanwhile, you’re still feeling awful. With Dr. Lin, I can message him directly and get help quickly. No runaround.
He listens, explains things clearly, and doesn’t rush you. If you’re tired of the “in-and-out” model and want real access to your doctor. I am very happy with his care for me.
Less than 3 months agoDL
It was a nice experience given my previous experience from a hospital, he made the discussion less stressful like talking with a friend.
Less than 3 months agoPT
Overall well
January 29, 2026Terry F.Verified patientVideo visit
I’m truly grateful for Dr. Josh Lin. With my previous primary care doctor, it was hard to get timely help, and I often had to wait a long time to hear back. With Dr. Lin, I received prompt care when I needed it most, and the communication was clear and reassuring.
He is patient and kind, and he takes time to listen. As a Chinese Christian, I’m thankful God provided a doctor who is both professional and compassionate.
Less than 3 months agoJW
Dr. Lin has always been very attentive and helpful to understand my health situation by asking questions that are specifics so I can describe my issues better. I feel comfortable with his professional and friendly character in all the visits at his beautiful clinic.
Less than 3 months agoJL
How soon can I make an appointment with Dr. Joshua Lin?
Generally, Dr. Joshua Lin has appointments available on Zocdoc within 1 week. You can see Dr. Lin's earliest availability on Zocdoc and make an appointment online.
Is Dr. Joshua Lin accepting new patients?
Dr. Joshua Lin generally accepts new patients on Zocdoc. You can see Dr. Lin's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Joshua Lin accept my insurance?
Choose your insurance plan to verify if Dr. Lin is in-network.
Can I make an appointment with Dr. Joshua Lin online?
Yes, you can make an appointment online with Dr. Lin using Zocdoc. It’s simple, secure, and free.
What practice does Dr. Joshua Lin work with?
Dr. Joshua Lin works with Portola DPC.
Where is Dr. Joshua Lin's office located?
Dr. Joshua Lin's office is located at 1190 Roosevelt, Irvine, CA 92620.
Which board certifications does Dr. Joshua Lin have?
Dr. Joshua Lin is certified by American Board of Internal Medicine.
What are common reasons for patients to see Dr. Joshua Lin?
Dr. Joshua Lin frequently sees patients for Annual Physical, Foot Consultation, Illness, Pediatric Consultation, and Psychiatry Consultation. You can see other visit reasons for Dr. Joshua Lin on their profile.
What languages does Dr. Joshua Lin speak?
Dr. Joshua Lin speaks English and Chinese (Mandarin).
How do patients rate Dr. Joshua Lin in reviews?
6 patients have reviewed Dr. Joshua Lin. The overall rating for this doctor is 5/5. They have a 5/5 rating for bedside manner and a 5/5 rating for wait time. You can read individual reviews and ratings on their profile.