Marisa A. O'Brien, OD
- Hospital affiliations
- 1
- Medical groups
- 4
- State license
- 1
- Year NPI issued
- 2010
- Practice address
- 901 Patients First Drive, Washington, MO 63090
- Practice phone
- Call (636) 390-1715
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Patients First Surgery Center
Washington, Missouri
Find Marisa 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.
Marisa A. O'Brien is an optometrist in Washington, Missouri
Marisa O'Brien practices at Patients First Surgery Center in Washington, Missouri.
Marisa O'Brien's NPI, 1124332234, was assigned on July 30, 2010. Marisa O'Brien graduated from Pennsylvania College of Optometry in 2010. Marisa O'Brien holds Missouri license 2010020533.
- NPI
- 1124332234NPI Registry (opens in a new tab)
- NPI enumeration date
- July 30, 2010
- NPI status
- Active
- Practice phone
- (636) 390-1715
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Marisa A. O'Brien practices at Patients First Surgery Center in Washington, Missouri
Marisa O'Brien's primary practice is Patients First Surgery Center, at 901 Patients First Drive, Washington, MO 63090 in Franklin County. The practice phone is (636) 390-1715.
- Patients First Surgery Center901 Patients First Drive, Washington, MO 63090 · Franklin CountyPhone(636) 390-1715
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Marisa A. O'Brien is affiliated with 3 sites of care and 4 medical groups
Marisa O'Brien's primary practice is Patients First Surgery Center in Washington, Missouri. Marisa O'Brien is also affiliated with St. Louis Children's Hospital. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Marisa O'Brien to 3 more medical groups and 1 group practice or clinic, 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 Marisa A. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marisa O'Brien practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Patients First Surgery Center | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Marisa A. O'Brien is one of 866 optometrists in Missouri
Optometrist is Marisa O'Brien's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Marisa O'Brien is licensed in Missouri.
Specialties and state licenses
- Optometrist, MissouriPrimary
Optometrists near Marisa O'Brien
Counts of optometrists 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
Marisa A. O'Brien's patients have a median age of 5
Across all payers, Dmand AI patient panel data puts Marisa O'Brien's median patient age at 5, with 46% women.
Marisa 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 5
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
Marisa A. O'Brien graduated from Pennsylvania College of Optometry
Marisa O'Brien graduated from Pennsylvania College of Optometry in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Marisa A. 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 |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Marisa A. O'Brien
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What is Marisa A. O'Brien's NPI number?
Marisa A. O'Brien's NPI number is 1124332234. It was assigned on July 30, 2010, and it is active in the NPI Registry.
What does Marisa A. O'Brien specialize in?
Marisa A. O'Brien is an optometrist in Washington, Missouri. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Marisa A. O'Brien practice?
Marisa O'Brien practices at 901 Patients First Drive, Washington, MO 63090. Marisa O'Brien's primary practice is Patients First Surgery Center in Washington, Missouri. Dmand AI also links Marisa O'Brien to 3 medical groups and 1 group practice or clinic.
What is Marisa A. O'Brien's office phone number?
The practice phone on file for Marisa O'Brien is (636) 390-1715.
What is Marisa A. O'Brien's medical license number?
Marisa O'Brien holds Missouri license 2010020533.
Which hospitals is Marisa A. O'Brien affiliated with?
Marisa O'Brien is affiliated with St. Louis Children's Hospital.
What medical group is Marisa A. O'Brien part of?
Marisa O'Brien is linked to WashU Medicine Psychiatry. Dmand AI links Marisa O'Brien to 3 more medical groups.
Where did Marisa A. O'Brien go to medical school?
Marisa O'Brien graduated from Pennsylvania College of Optometry in 2010.
How long has Marisa A. O'Brien been practicing?
Marisa O'Brien graduated from medical school in 2010, 16 years ago.
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