Marina O'Brien, PA-C
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 2906 South 20th Street, Milwaukee, WI 53215
- Practice phone
- Call (414) 385-6256
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sixteenth Street Community Health Centers - Parkway Clinic
FQHC - Main Site · Milwaukee, Wisconsin
Find Marina 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.
Marina O'Brien is a physician assistant in Milwaukee, Wisconsin
Marina O'Brien practices at Sixteenth Street Community Health Centers - Parkway Clinic in Milwaukee, Wisconsin.
Marina O'Brien's NPI, 1932923489, was assigned on November 12, 2024. Marina O'Brien holds Wisconsin license 8738-23.
- NPI
- 1932923489NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628562634
- NPI enumeration date
- November 12, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (414) 385-6256
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marina O'Brien practices at Sixteenth Street Community Health Centers - Parkway Clinic in Milwaukee, Wisconsin
Marina O'Brien's primary practice is Sixteenth Street Community Health Centers - Parkway Clinic, at 2906 South 20th Street, Milwaukee, WI 53215 in Milwaukee County. The practice phone is (414) 385-6256.
- Sixteenth Street Community Health Centers - Parkway Clinic2906 South 20th Street, Milwaukee, WI 53215 · Milwaukee CountyPhone(414) 385-6256
Source: Dmand AI Affiliation Data
Marina O'Brien is affiliated with 2 sites of care and 1 medical group
Marina O'Brien's primary practice is Sixteenth Street Community Health Centers - Parkway Clinic in Milwaukee, Wisconsin. The medical group on file is Sixteenth Street Community Health Centers. Dmand AI also links Marina O'Brien to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Marina O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marina O'Brien practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sixteenth Street Community Health Centers - Parkway Clinic | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Marina O'Brien is one of 3,127 physician assistants in Wisconsin
Physician assistant is Marina O'Brien's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Marina O'Brien is licensed in Wisconsin.
Specialties and state licenses
- Physician assistant, WisconsinPrimary
Physician assistants near Marina 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
Marina O'Brien's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Marina O'Brien's median patient age at 68, with 66% women.
Marina 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 68
Patient panel by sex, all payers
- Women66%
- Men34%
Source: Dmand AI Patient Panel Data
How Marina O'Brien takes part in Medicare
Marina 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 Marina 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 Marina 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 Marina O'Brien's NPI number?
Marina O'Brien's NPI number is 1932923489. It was assigned on November 12, 2024, and it is active in the NPI Registry.
What does Marina O'Brien specialize in?
Marina O'Brien is a physician assistant in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Marina O'Brien practice?
Marina O'Brien practices at 2906 South 20th Street, Milwaukee, WI 53215. Marina O'Brien's primary practice is Sixteenth Street Community Health Centers - Parkway Clinic in Milwaukee, Wisconsin. Dmand AI also links Marina O'Brien to 1 group practice or clinic.
What is Marina O'Brien's office phone number?
The practice phone on file for Marina O'Brien is (414) 385-6256.
What is Marina O'Brien's medical license number?
Marina O'Brien holds Wisconsin license 8738-23.
What medical group is Marina O'Brien part of?
Marina O'Brien is linked to Sixteenth Street Community Health Centers.
Does Marina O'Brien accept Medicare?
Yes. CMS lists Marina O'Brien as accepting Medicare assignment.
How long has Marina O'Brien been practicing?
Marina O'Brien graduated from medical school in 2025, 1 years ago.
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