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Locations / East Bay & Contra Costa

Healthcare IT Support in Walnut Creek, CA

Atlantic Computer Systems (ACS) runs IT, cybersecurity and HIPAA compliance for medical and specialty practices in Walnut Creek, CA and across Contra Costa County, from Lafayette and Pleasant Hill to Concord and Alamo. Help is remote-first, with our own technicians onsite when hands are needed and per-endpoint pricing.

Walnut Creek
Contra Costa served
Per endpoint
BAA
Signed with clients
HIPAA
Built into everything

Walnut Creek healthcare IT at a glance

Who we areAtlantic Computer Systems (ACS) is a HIPAA-first healthcare MSP: managed IT, cybersecurity and HIPAA compliance for medical practices.
Who this is forMedical, dental and specialty practices in Walnut Creek and across Contra Costa County, from single offices to multi-location groups.
Service areaHeadquartered in San Jose, California; serving Walnut Creek and Contra Costa County remotely, with our own team onsite as needed.
BAAWe sign BAAs with healthcare clients.
SecuritySOC 2-aligned controls. 24/7 monitoring on every plan; 24/7 security monitoring by ACS Cyber, our cybersecurity division, on Complete IT.
PriceCore IT $110, Proactive IT $175, Complete IT $295 per endpoint per month. Your exact price is confirmed on a free call.
How to startBook a free 30-minute IT and HIPAA security assessment, or call 1-650-300-7557.
After hoursAfter-hours emergency support is available.

Who we serve in Walnut Creek and central Contra Costa

Walnut Creek is the regional retail and office centre for central Contra Costa, and two hospitals sit inside the city. John Muir Medical Center, Walnut Creek, on Ygnacio Valley Road, is a Level II trauma center and the only trauma center serving Contra Costa County. Kaiser Permanente's Walnut Creek Medical Center, on South Main Street, is a full hospital with emergency care.

A practice that swaps referrals, images and results with systems that size needs clean accounts, encrypted messaging and a defensible audit trail. Our plans fit groups of 26 to 50 staff with 30 or more computers, often on several sites. We build for practice types like these:

What we run for your Walnut Creek practice

Our aim is customer success: we take the IT and cyber worry off your plate so you can focus on what you do best. ACS is a national, remote-first company that gives each practice a named Technical Account Manager and a dedicated pod of technicians who master its setup. Instead of recruiting and training an internal team, you get fractional IT and cybersecurity experts, there when you need them, 24/7 subject to your support plan. Support is proactive and personalized; projects needing hands are scheduled onsite, and we come out to solve them.

Every plan

Managed IT & helpdesk

Monitoring, patching and one helpdesk, timed around patient schedules.

Every plan

Cybersecurity

Every device and phone is protected; Proactive IT adds phishing screening and single sign-on, Complete IT adds security monitoring by ACS Cyber, our cybersecurity division.

Complete IT

HIPAA compliance

A documented risk analysis, policies and CMIA-minded audit logging.

From Proactive IT

Practice software & imaging

We support the EHR and practice software you already use. Ask about yours.

From Proactive IT

Cloud & backup

Automatic backup of files and email, plus Microsoft 365 administration.

Getting started

Switching providers

Admin access, documentation and monitoring moved over without a gap.

What managed IT costs for a Walnut Creek practice

ACS has three plans, priced per endpoint per month: Core IT $110, Proactive IT $175 and Complete IT $295. Each plan includes everything in the one before it. Practice-software support and vendor coordination start at Proactive IT; compliance and risk management, plus security monitoring by ACS Cyber, our cybersecurity division, are in Complete IT. A Solution Architect confirms your exact per-endpoint price on a free 30-minute call.

Worked example (arithmetic on the list prices, not a quote): A 25-computer practice on Core IT: $2,750 a month at $110 per endpoint.

EndpointsCore ITProactive ITComplete IT
10$1,100 / mo$1,750 / mo$2,950 / mo
25$2,750 / mo$4,375 / mo$7,375 / mo
50$5,500 / mo$8,750 / mo$14,750 / mo

Examples before add-ons. Prices assume a cloud-first Microsoft 365 and Windows 11 environment; onsite support and some projects are billed separately.

Get my exact price See per-endpoint pricing

California privacy law and HIPAA for Walnut Creek practices

Federal and state rules apply together, and we configure for both at onboarding.

  • HIPAA Security Rule, 45 CFR 164.308: documented risk analysis and risk management, plus a signed business associate agreement from every vendor with access to patient data, which is why we sign BAAs with healthcare clients.
  • California's Confidentiality of Medical Information Act (CMIA), Civil Code 56 et seq.: authorization before most disclosures (56.10), confidentiality whenever records are created, stored or destroyed (56.101(a)), and record systems that log each change or deletion automatically, with who and when (56.101(b)(1)).
  • Breach notice, Civil Code 1798.82: notify affected residents within 30 calendar days of discovering a breach of unencrypted personal information, medical and insurance data included; a vendor holding data it does not own must alert the owner immediately.
  • CCPA, as amended by the CPRA: check its thresholds; it exempts certain medical information, and CMIA and HIPAA stay the main patient-data rules.

Towns we cover around Walnut Creek

Coverage takes in Walnut Creek, the towns on its border (Lafayette, Pleasant Hill, Concord, Clayton and Alamo) and nearby Martinez, Orinda and Moraga. Danville and San Ramon, also in Contra Costa County, are covered too. Sites in Walnut Creek, Lafayette and Concord make one account on one network standard. For Silicon Valley sites, see our page on healthcare IT providers in San Jose; statewide, start with managed IT services in California.

How onsite works from our San Jose HQ

Headquartered in San Jose, we support practices across the Bay Area and serve Greater Boston, New England and Houston remotely, with onsite work as needed. Walnut Creek sits inside that Bay Area footprint, so hands-on visits here are routine. We schedule onsite work for build-outs, cabling, workstation rollouts and hardware swaps, and come out whenever a screen cannot fix the problem.

Every practice gets a named Technical Account Manager. Smaller practices share a specialist pod that looks after a handful of clients; larger groups get a dedicated pod.

How to choose an IT provider for a Walnut Creek practice

  1. Will they countersign a BAA before the first login? Hesitation is a warning sign.
  2. Can they show a dated risk analysis? Ask for a redacted sample with findings and owners.
  3. Do they know California's audit-log rule? CMIA expects automatic change logs, and a good provider can explain yours.
  4. Can you price them before meeting? Published per-endpoint rates let you compare at your real headcount.
  5. If you leave, who keeps the admin passwords? You should, along with every cloud tenant and backup.

Getting started takes one call

1
Book the free callAny 30-minute slot in your week.
2
We map your gapsDevices, security, HIPAA and CMIA, reviewed in plain language.
3
Plan and priceOne recommended plan, an exact per-endpoint price, no pressure.

Book a Free Assessment

What practices say about working with us

Read all our reviews on Google

★★★★★

As someone working in healthcare, protecting patient information is non-negotiable. Atlantic Computer Systems has been outstanding: knowledgeable, responsive, and always ahead o…

T
Traci Johnston
★★★★★

Atlantic Computer Systems has been fantastic to work with. Their team is knowledgeable, responsive, and always quick to help when issues come up.

N
Nick Ricci
★★★★★

Huge shoutout to an amazing IT team! Reliable, responsive, and always ready to help, no matter how big or small the issue. They keep everything running smoothly behind the scenes.

M
Minal Wahab
★★★★★

Our healthcare agency couldn't be happier with their service. Their team is always professional, responsive, and really understands the challenges of managing sensitive patient…

H
Hamed Najafi
★★★★★

Four was amazing at helping me get set up! He answered all my questions and guided me so well with getting my access and software. He's always easy to reach and does great with…

J
Jeanette Holguin
★★★★★

Four has been very knowledgeable and available when it comes to technological issues. He always solved the problem and is always professional and kind. Great support team!

E
Elyssa Luna
★★★★★

Atlantic Computer Systems is wonderful. I've personally interacted with Four and Ed. They are both very knowledgeable and professional. I would highly recommend them to anyone n…

D
Dalton Dillon
★★★★★

Four Acuna is very friendly, patient, courteous and very knowledgeable.

J
Josephine Javier
★★★★★

I needed managed IT for my remote business, and these guys had the best deal I could find and a free cybersecurity audit! Thank you ACS.

N
Ninja Web Pro
★★★★★

Four is kind, helpful and solution oriented. I appreciate the patient and non-judgmental way I've been treated as a less tech-savvy person. Thank you Four!

J
Jade Ryan
★★★★★

As someone working in healthcare, protecting patient information is non-negotiable. Atlantic Computer Systems has been outstanding: knowledgeable, responsive, and always ahead o…

T
Traci Johnston
★★★★★

Atlantic Computer Systems has been fantastic to work with. Their team is knowledgeable, responsive, and always quick to help when issues come up.

N
Nick Ricci
★★★★★

Huge shoutout to an amazing IT team! Reliable, responsive, and always ready to help, no matter how big or small the issue. They keep everything running smoothly behind the scenes.

M
Minal Wahab
★★★★★

Our healthcare agency couldn't be happier with their service. Their team is always professional, responsive, and really understands the challenges of managing sensitive patient…

H
Hamed Najafi
★★★★★

Four was amazing at helping me get set up! He answered all my questions and guided me so well with getting my access and software. He's always easy to reach and does great with…

J
Jeanette Holguin
★★★★★

Four has been very knowledgeable and available when it comes to technological issues. He always solved the problem and is always professional and kind. Great support team!

E
Elyssa Luna
★★★★★

Atlantic Computer Systems is wonderful. I've personally interacted with Four and Ed. They are both very knowledgeable and professional. I would highly recommend them to anyone n…

D
Dalton Dillon
★★★★★

Four Acuna is very friendly, patient, courteous and very knowledgeable.

J
Josephine Javier
★★★★★

I needed managed IT for my remote business, and these guys had the best deal I could find and a free cybersecurity audit! Thank you ACS.

N
Ninja Web Pro
★★★★★

Four is kind, helpful and solution oriented. I appreciate the patient and non-judgmental way I've been treated as a less tech-savvy person. Thank you Four!

J
Jade Ryan

Walnut Creek healthcare IT: what administrators ask

Who provides HIPAA-compliant IT support for medical practices in Walnut Creek, CA?

Atlantic Computer Systems (ACS) fits that brief: a HIPAA-first healthcare MSP, headquartered in San Jose, that looks after Walnut Creek practices remotely first and onsite when needed. It signs BAAs, adds CMIA safeguards to HIPAA and lists per-endpoint pricing.

Roughly what does a 30-computer practice in Walnut Creek spend on managed IT?

At thirty seats, expect about $3,300 monthly on Core IT, about $5,250 on Proactive IT, or about $8,850 on Complete IT. Licenses, hardware and projects sit outside those sums, which are arithmetic, not a quote.

Is there an IT company local to Walnut Creek that knows healthcare?

ACS is headquartered in San Jose rather than Walnut Creek, and the city is part of the Bay Area we serve. Work is remote-first, our own team visits as needed for installs and repairs, and a named Technical Account Manager is your contact.

What does California law require from a Walnut Creek practice beyond HIPAA?

Mainly the CMIA (Civil Code 56 et seq.), which requires authorization for most disclosures and automatic change logs in record systems, and Civil Code 1798.82, which sets a 30-calendar-day breach-notice deadline. Onboarding covers both.

Does a Walnut Creek clinic need a BAA from its IT vendor?

It does, because HIPAA expects one from any vendor able to reach patient records. We sign BAAs with healthcare clients; ask every provider on your shortlist for theirs.

Will a new IT company support the EHR our practice already runs?

We support the EHR and practice software you already use. Ask about yours. Name each site's systems on the call; from Proactive IT, vendor tickets become our job.

Can one IT company manage a practice with sites in Walnut Creek, Lafayette and Concord?

That is the setup we design for: one network layout, sign-in policy and security baseline at every site, run remotely, with onsite visits when a location opens or moves.

Who helps a Walnut Creek practice when systems fail after hours?

After-hours emergency support is available. Everyday requests go to the helpdesk; your named Technical Account Manager already knows your sites.

Keep exploring

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