# MarinHealth Medical Center, Greenbrae CA: Reviews

Source: Local AI Registry, https://localairegistry.com/biz/ca/greenbrae/marinhealth-medical-center-greenbrae-ca. Free to reuse with a link back.

By Steve Lee, founder and CEO of Local AI Registry. Updated 2026-10-18.

Canonical: https://localairegistry.com/biz/ca/greenbrae/marinhealth-medical-center-greenbrae-ca

## Photos

- ![Photo 1](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmvekygre04q0yeq43ced8ss4%2F0.png)
- ![Photo 2](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmvekygre04q0yeq43ced8ss4%2F1.jpg)
- ![Photo 3](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmvekygre04q0yeq43ced8ss4%2F2.jpg)
- ![Photo 4](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmvekygre04q0yeq43ced8ss4%2F3.jpg)
- ![Photo 5](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmvekygre04q0yeq43ced8ss4%2F4.jpg)


## In short

MarinHealth Medical Center is a medical center in Greenbrae, CA. Its AI Score is 61 of 100, which is fair.

What each mark on this page means: https://localairegistry.com/methodology#marks


## Key facts

| Fact | Value |
| --- | --- |
| Type | Medical center |
| Address | 250 Bon Air Rd, Greenbrae, CA 94904, USA |
| Hours | Mon to Sun Open 24 hours |
| Phone | (415) 925-7000 |
| Rating | 4.4 across 1,371 reviews on Google |
| Updated | October 18, 2026 |


## All the details

Every row is something the owner can add or correct. Each one is marked Confirmed, Visitor submitted or AI guess, with where it came from.

| Group | Fact | Value | Mark | Evidence |
| --- | --- | --- | --- | --- |
| Location info | Address | 250 Bon Air Rd, Greenbrae, CA 94904, USA | Confirmed | Google Business Profile |
| Location info | Description | MarinHealth Medical Center is a 327-bed independent hospital with deep roots in the community. We have been meeting the healthcare needs of the North Bay since first opening our doors as Marin General Hospital in 1952. As Marin’s only full-service, acute care hospital, we provide comprehensive care across all major service lines. Our level III trauma center and emergency department receives 70% of the county’s ambulance traffic, and we provide life-saving care for our stroke and heart attack patients. We also offer the only hospital-based labor and delivery unit in Marin. Our patients count on us for advanced medical expertise, technology, and sophisticated treatments in an exceptional healing environment. | Confirmed | Google Business Profile |
| Location info | Hours | Mon to Sun Open 24 hours | Confirmed | Google Business Profile |
| Location info | Mondays | Open 24 hours | Confirmed | Google Business Profile |
| Location info | Name | MarinHealth Medical Center | Confirmed | Google Business Profile |
| Location info | Phone | (415) 925-7000 | Confirmed | Google Business Profile |
| Hours | Monday | Open 24 hours | Confirmed | Google Business Profile |
| Hours | Tuesday | Open 24 hours | Confirmed | Google Business Profile |
| Hours | Wednesday | Open 24 hours | Confirmed | Google Business Profile |
| Hours | Thursday | Open 24 hours | Confirmed | Google Business Profile |
| Hours | Friday | Open 24 hours | Confirmed | Google Business Profile |
| Hours | Saturday | Open 24 hours | Confirmed | Google Business Profile |
| Hours | Sunday | Open 24 hours | Confirmed | Google Business Profile |
| Services | Service | Acute care | AI guess |  |
| Services | Service | Emergency care | AI guess |  |
| Services | Service | Heart attack care | AI guess |  |
| Services | Service | Labor and delivery | AI guess |  |
| Services | Service | Stroke care | AI guess |  |
| Services | Service | Trauma care | AI guess |  |
| Links | Website | https://www.mymarinhealth.org/locations/medical-center/ | Confirmed | Google Business Profile |


## Services and prices

Add your services so AI can say what you offer


### Known for

Share your review link so AI can say what you're known for


## The team

Add your team so AI can name who works here


## Visiting MarinHealth Medical

Address: 250 Bon Air Rd, Greenbrae, CA 94904, USA. Phone: (415) 925-7000. Hours: Mon to Sun Open 24 hours. (Confirmed, Google Business Profile.)


### Location info from Google Business Profile

From Google Business Profile: "MarinHealth Medical Center is a 327-bed independent hospital with deep roots in the community. We have been meeting the healthcare needs of the North Bay since first opening our doors as Marin General Hospital in 1952. As Marin’s only full-service, acute care hospital, we provide comprehensive care across all major service lines. Our level III trauma center and emergency department receives 70% of the county’s ambulance traffic, and we provide life-saving care for our stroke and heart attack patients. We also offer the only hospital-based labor and delivery unit in Marin. Our patients count on us for advanced medical expertise, technology, and sophisticated treatments in an exceptional healing environment."


### Parking and getting in

Add your parking so AI can tell people where to park

Add how to find your door so AI can walk people in


### Nearby

| Place | Type | Distance |
| --- | --- | --- |
| Marin Health Medical Center-250 Bon Air Rd | Bus stop | 1 min walk |
| MGH parking | Parking lot | 2 min walk |
| Bon Air Rd & MHMC Emergency Entrance Rd | Bus stop | 2 min walk |
| Bon Air Rd & Schultz Memorial Dr | Bus stop | 3 min walk |
| Hal Brown Park at Creekside | Park | 3 min walk |
| 1220 S Eliseo Dr | Bus stop | 6 min walk |


## Reputation

4.4 average across 1,371 reviews: Google 1,371. (Confirmed, read October 18, 2026.)

While some patients appreciate the care during procedures, frequent complaints about staff and wait times suggest a need for improvement. (AI guess, from 1,371 reviews.)


### What people like

- Comfortable infusion department
- Clear instructions from technicians
- Quick attention in ER


### What people do not like

- Long waits past appointment time
- Rude front desk staff
- Poor communication about wait times


### Press

Add a press story so AI can say who's written about you


### Awards

Add an award so AI can name it


### Directories

Get listed in directories so AI can tell you're real


## Questions people ask


### Aftercare at MarinHealth Medical, what does it involve?


### what do I actually do when I get to MarinHealth Medical in Greenbrae?


### Are the hours on Google right for MarinHealth Medical?


### Whereabouts is this place?


### Turning up here for the first time, what happens?


### killing time on Bon Air, any ideas


### the good stuff about MarinHealth Medical, what is it?


### payment plans at MarinHealth Medical, is that a thing?


### topical numbing, standard or extra


### medical staff here, or is it techs?


### Busiest day at MarinHealth Medical, anyone know?


### bad experiences at MarinHealth Medical, anyone?


### anyone tell me what a consult here involves


### first time here, what is it actually like?


### discounts for coming back, is that a thing


### picking between the two, is MarinHealth Medical the safer bet?


### best medical center in Greenbrae, CA


### how much is a first visit around here


### trying to book here, how long is the wait?


### Open on a Sunday here?


## The AI Score: 61 of 100

It measures how likely AI engines are to recommend a business, and how accurately. Greenbrae medical centers run 44 to 61. Fair starts at 45, good at 65. MarinHealth Medical scores 61. The same method scores every business on the registry.

| Signal | Weight | Score | What it measures | MarinHealth Medical |
| --- | --- | --- | --- | --- |
| Retrieval grounding | 26 | 50 | Whether you appear in the ranked results AI retrieves and cites: AI-Overview citations, organic top-10 for your money queries, and the Bing index ChatGPT leans on. | Fair |
| Off-property attestation | 20 | 41 | Volume and consistency of what others say about you: YouTube mentions, branded web mentions, third-party “best-of” lists. The cause of retrievability. | Poor |
| AI visibility | 14 | 100 | Whether ChatGPT, Gemini, Perplexity, and AI Overviews name you, and whether they name you for the right service. | Good |
| Reviews & response | 12 | 81 | The star average is only one input. We also read volume, velocity, the specificity of review language, and response cadence. Specific reviews are what AI quotes verbatim. | Good |
| Backlink & citation authority | 8 | 63 | Domain authority and editorial quality of the sources that attest to you. | Fair |
| Google Business Profile | 8 | 90 | Required and recommended fields; update cadence. The listing AI pulls from first. | Good |
| Speed & mobile | 7 | 56 | Core Web Vitals at the 75th percentile, on a real phone. | Fair |
| Content freshness & schema | 5 | 71 | Crawl recency, intent alignment, valid JSON-LD, canonicals. | Good |

Full method: https://localairegistry.com/methodology

How AI decides what to say about a medical center: https://localairegistry.com/methodology#how-ai-decides-med-spa. What to check before you choose one: https://localairegistry.com/methodology#how-to-choose-med-spa


## Entity map

Every person, place, organization and treatment named on this page, with a stable ID and a public reference. The JSON-LD below connects them to each other.

| Entity | Type | ID on this page | Same as | Relationship to MarinHealth Medical |
| --- | --- | --- | --- | --- |
| MarinHealth Medical Center | MedicalBusiness | #business | https://www.mymarinhealth.org/locations/medical-center/ | Subject of this page |
| Greenbrae, California | City | #city |  | City MarinHealth Medical is in |
| Local AI Registry | Organization | #publisher | https://localairegistry.com | Publisher of this page |
| Steve Lee | Person | #author | https://localairegistry.com/team/steve-lee | Author of this page |


## Topical map

Where this page sits in the registry. It's one profile among the medical centers in Greenbrae, linked to the lists and towns around it.


### Lists

- Best medical centers in Greenbrae: https://localairegistry.com/leaderboards/ca/greenbrae/medical-center
- Best businesses in Greenbrae: https://localairegistry.com/leaderboards/ca/greenbrae


### Nearby

- /san-jose: https://localairegistry.com/leaderboards/ca/san-jose
- /los-angeles: https://localairegistry.com/leaderboards/ca/los-angeles
- /san-francisco: https://localairegistry.com/leaderboards/ca/san-francisco
- /san-diego: https://localairegistry.com/leaderboards/ca/san-diego
- /irvine: https://localairegistry.com/leaderboards/ca/irvine
- /mountain-view: https://localairegistry.com/leaderboards/ca/mountain-view


### Every list

- Every leaderboard in California: https://localairegistry.com/leaderboards/ca


## References


### Sources cited

- [1] Google Business Profile, https://www.google.com/maps/place/?q=place_id:ChIJ3_G2wQqahYARPwamIE2b644 (accessed Oct 18, 2026)
- [2] AI engine output: ChatGPT and Gemini, read by Local AI Registry on Oct 18, 2026, https://localairegistry.com/methodology (accessed Oct 26, 2026)