Gavin O'Brien
- Hospital affiliations
- 1
- Medical groups
- 4
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 4760 Fashion Square Blvd, Saginaw, MI 48604
- Practice phone
- Call (517) 212-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Careline Physician Services
Saginaw, Michigan
Find Gavin O'Brien's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Gavin O'Brien is a physician assistant in Saginaw, Michigan
Gavin O'Brien practices at Careline Physician Services in Saginaw, Michigan.
Gavin O'Brien's NPI, 1003689183, was assigned on November 1, 2023.
- NPI
- 1003689183NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820573843
- NPI enumeration date
- November 1, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (517) 212-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Gavin O'Brien practices at Careline Physician Services in Saginaw, Michigan
Gavin O'Brien's primary practice is Careline Physician Services, at 4760 Fashion Square Blvd, Saginaw, MI 48604 in Saginaw County. The practice phone is (517) 212-9000.
- Careline Physician Services4760 Fashion Square Blvd, Saginaw, MI 48604 · Saginaw CountyPhone(517) 212-9000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Gavin O'Brien is affiliated with 6 sites of care and 4 medical groups
Gavin O'Brien's primary practice is Careline Physician Services in Saginaw, Michigan. Gavin O'Brien is also affiliated with Corewell Health Grand Rapids Hospitals - Butterworth. The medical group on file is Provider Partners. Dmand AI also links Gavin O'Brien to 3 more group practices and clinics, 3 medical groups and 1 hospice, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Gavin O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gavin O'Brien practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Careline Physician Services | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Gavin O'Brien is one of 5,857 physician assistants in Michigan
Physician assistant is Gavin O'Brien's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Gavin O'Brien has a license on file in Michigan.
Specialties and state licenses
- Physician assistant, Michigan
Physician assistants near Gavin O'Brien
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Gavin O'Brien's patients have a median age of 81
Across all payers, Dmand AI patient panel data puts Gavin O'Brien's median patient age at 81, with 67% women.
Gavin O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
How Gavin O'Brien takes part in Medicare
Gavin O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Gavin O'Brien's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Gavin O'Brien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gavin O'Brien's NPI number?
Gavin O'Brien's NPI number is 1003689183. It was assigned on November 1, 2023, and it is active in the NPI Registry.
What does Gavin O'Brien specialize in?
Gavin O'Brien is a physician assistant in Saginaw, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Gavin O'Brien practice?
Gavin O'Brien practices at 4760 Fashion Square Blvd, Saginaw, MI 48604. Gavin O'Brien's primary practice is Careline Physician Services in Saginaw, Michigan. Dmand AI also links Gavin O'Brien to 3 group practices and clinics, 3 medical groups and 1 hospice, and a free account names each one.
What is Gavin O'Brien's office phone number?
The practice phone on file for Gavin O'Brien is (517) 212-9000. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Gavin O'Brien's email address?
Dmand AI checks professional and personal email addresses for Gavin O'Brien through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
Which hospitals is Gavin O'Brien affiliated with?
Gavin O'Brien is affiliated with Corewell Health Grand Rapids Hospitals - Butterworth.
What medical group is Gavin O'Brien part of?
Gavin O'Brien is linked to Provider Partners. Dmand AI links Gavin O'Brien to 3 more medical groups, named with a free account.
Who does Gavin O'Brien practice with?
Dmand AI links 200 HCPs to Gavin O'Brien's primary medical group, 2 of them physician assistants. A free account lists them, with verified contacts.
Does Gavin O'Brien accept Medicare?
Yes. CMS lists Gavin O'Brien as accepting Medicare assignment.
How long has Gavin O'Brien been practicing?
Gavin O'Brien graduated from medical school in 2025, 1 years ago.
What EHR does Gavin O'Brien's practice use?
Dmand AI tracks the EHR system at Careline Physician Services and at 5 more sites and 3 medical groups. The vendor and product are available with a free Dmand AI account.
Selling to physician assistant practices?
See physician assistants in Michigan by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card