1. Mustafa Shalaby, MD

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    Pittsburg, CA

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    Mustafa Shalaby, MD

    5.0 (1 review)

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    4 years ago

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    Diablo Pulmonary Medical Group - Waiting space with magazines

    Diablo Pulmonary Medical Group

    2.3(6 reviews)
    9.3 mi

    I too have recently experience:…read more 1. What Amy stated in her review, "It's been nearly impossible to get in touch with anyone there. They don't answer the phone, and even though some extensions allow you to leave a message, they never call back. This lack of communication is incredibly frustrating and unacceptable for a medical practice." The Diablo Pulmonary Medical Group staff does not even reply to MyChart messages. 2. What Felipe P. stated in their review, "Just got a bill from January, and nobody in billing answers. Called 3 times, left 3 messages and no response." When you call the office there is an option for Billing, which is use less, always received a recording to leave a message. This option and personnel need to be removed because they NEVER return a call. I even called at least three times and selected the option to schedule an appointment for I have had better luck some one answering. I asked the person who answered if the billing person was in (Sarah?), and of course she replied "No, but I can take a message." (Do not know what she did with the message for I never receive a call back.) I informed her I have left several messages via the Billing option and have never received a call back. What a plush job Sarah has.

    I am extremely disappointed with Diablo Pulmonary Medical Group. It's been nearly impossible to get…read morein touch with anyone there. They don't answer the phone, and even though some extensions allow you to leave a message, they never call back. This lack of communication is incredibly frustrating and unacceptable for a medical practice. I had hoped for reliable service, but unfortunately, that has not been the case. Save your health look elsewhere for your medical needs that will answer the phone - the first step to take care of you.

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    Diablo Pulmonary Medical Group
    Diablo Pulmonary Medical Group
    Diablo Pulmonary Medical Group

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    John Hadley MD

    John Hadley MD

    4.3(3 reviews)
    9.3 mi

    Dr. Hadley has been my pulmonary doctor for 20 years and I would recommend him to anyone who wants…read morea doctor who will sit and listen to you. He is not only a great doctor but a really good person and has a fun sense of humor as well.

    I am the caretaker of my brother in law who has MS, COPD and emphysema. He is being treated by Dr…read more Hadley who is a very friendly congenial doctor. His location is convenient and his staff cordial when you meet them in person. However, trying to reach his office for an appointment can be quite a challenge. The phone prompts are endless and usually no one answers and you have to leave a message. " To state "Please listen because our numbers have changed" is trite and useless". Every doctor's and business'es phone prompt says the same thing. Just get on with what the numbers represent. It is all very frustrating;to my brother in law because his MS. does not permit him to use a computer. Therefore the MUIR website is not useful. He must rely on the telephone because he also has impaired vision and cannot read his mail. . However, telephone communication issues are not just Dr. Hadley's. It's the same with all of our local doctors. Phone prompts and staff communications are generally very time consuming and frustrating. When I was a young boy My mother would call and my doctor would come to my house to treat me the same day or evening. He drove a Chevrolet or maybe a Buick. Now I cannot reach my doctor and he drives a Mercedes Benz and is shielded from communication through his office staff and billing contractors.

    Nathan Manjari MD

    Nathan Manjari MD

    3.7(3 reviews)
    10.2 mi

    My encounters and communications with Dr. Manjari's office staff were more than satisfactory. They…read morehandled my request for an appointment to pick up an at-home sleep study quickly and efficiently and provided the steps necessary to get Medicare authorization through my primary care doctor. I was able to pick up the at home sleep study test kit in a few days, and the in-office instructions on set-up and use were decent enough once I supplemented that with a quick YouTube online search on proper use for a successful test and data entry into the equipment. But then the wheels came off! I dropped the kit off to Dr. Nathan's office as promised the very next morning before 11 AM. I was told that due to the holidays, it would Nathan up to two weeks to view the data and write the report of my sleep study to my John Muir primary care doctor. I was told that the study and the data held in the device was quite good and I could expect the report in due course and timely. It has now been three weeks since the device was returned and the data entered into Dr. Nathan's office based system, but I have no report whatsoever, no response to my inquiries, and even telephone calls from my primary care doctor to Dr. Nathan (that apparently owns a financial interest in this sleep clinic) have been totally ignored. There is no justifiable reason why Dr. Nathan should take three weeks to compile what is almost certainly a machine-based standard report based on the electronic data downloaded from the sleep study device. The delay is bad enough, but being completely ignored is perplexing and very disappointing. I will not return to this clinic and I would not recommend it based on my experience over these last three weeks.

    Dr. Nathan is very kind and knowledgeable about sleep apnea…read more Under her care, I have slept much better the last five years. I highly recommend Dr. Nathan!

    Muir Pulmonary Critical Care

    Muir Pulmonary Critical Care

    2.0(17 reviews)
    10.0 mi

    Doctor George Juan has demonstrated great empathy towards me and has been thorough in his…read moreexamination, diagnosis and treatment of my ailment. He has been thorough in answering all the questions I asked him during my appointment visits to the clinic. I feel confident in his professional knowledge and his ability to provide competent healthcare in his specialty. He has a very professional staff that goes the extra mile to accommodate appointment scheduling and support services for me. In this regard, I would like to highlight his staff member Giana Acosta, who has exemplified great professionalism and excellent support service in all her interaction with me on the telephone as well as in person during my appointment visits at the clinic.

    I rarely leave negative reviews, but my experience here was disappointing enough that I feel other…read morepatients should be aware. Both appointments with the physician started about 30 minutes late, with little communication or respect for patients' schedules. For a specialty practice, I expected a higher level of professionalism and organization. During my follow-up appointment, I asked for information on sleep position therapy and was told to look it up online. Rather than providing educational materials, a PDF, or even emailing basic guidance, I was shown a generic product image. I left without any meaningful documentation or support. The administrative side was equally frustrating. I had to follow up myself after my insurance adjusted the claim, and communication regarding billing was unclear throughout the process. While I understand how deductibles work and paid the amount determined by my insurance, the overall experience lacked transparency and patient-centered service. Interactions with some staff members were dismissive, especially when asking reasonable questions about billing and insurance. At one point, comments about patients being upset over deductibles were made loudly enough to be heard from the waiting room, which I found inappropriate and unprofessional. Most concerning, my sleep study results still had not been uploaded to MyChart two months later, requiring additional follow-up just to access my own medical information. Due to the combination of these issues, I ultimately filed a formal grievance with my health insurance regarding the quality of communication and follow-through. I hope the practice takes patient feedback seriously and improves both its clinical and administrative processes.

    Jiva Health - This is the correct building.

    Jiva Health

    2.9(72 reviews)
    10.5 mi

    I found the process of working with a Jiva Health provider overcomplicated and not quite worth the…read moreeffort. After wanting a second non-Kaiser opinion on my thyroid and having issues setting up an appointment online, I called and scheduled a video consult. The pre-paperwork was a bit lengthy and during our appointment we went over my story. While I was able to confirm with her that my current medication was the best course of action, I didn't love that I later met with a Kaiser doctor who provided me with documentation that hypothyroid patients can have nasal nerves that go, for lack of a better word, haywire (falls under the term non-allergic rhinitis) and that lowering my dose as she suggested might actually cause the nerve to flare up. Overall I felt like One Medical had a better intake that was more thorough and helpful, and John Muir Allergy was overall more knowledgeable. At the end of the day, the out of pocket cost for the appointment was around $240, and I essentially got what I was looking for which was a discussion about my medication but I don't plan to move forward with Jiva Health.

    The wait after check in 20 + and once your in your room 40+ just waiting for you appt more then 1…read morehr just to see your doctor horrible service with the staff my doctor is wonderful

    Photos
    Jiva Health - Not sure what happened I have some type of rash where they put the sticky wires on my neck

    Not sure what happened I have some type of rash where they put the sticky wires on my neck

    Jiva Health - DARK OUTSIDE.  I saw the lights on the left corner side of the  second floor building on, then turned off 10 min later.

    DARK OUTSIDE. I saw the lights on the left corner side of the second floor building on, then turned off 10 min later.

    Jiva Health - The hole in the ceiling at the Walnut Creek Jiva Health sleep study clinic where the best case is a sleep demon peeked on me thru.

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    The hole in the ceiling at the Walnut Creek Jiva Health sleep study clinic where the best case is a sleep demon peeked on me thru.

    Mustafa Shalaby, MD - pulmonologist - Updated September 2026

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