Mary Hollowell
- Hospital affiliations
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 351 SW 9th Street, Ontario, OR 97914
- Practice phone
- Call (541) 881-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mary Hollowell'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.
Mary Hollowell is a physician assistant in Ontario, Oregon
Mary Hollowell practices at Saint Alphonsus Medical Center - Ontario in Ontario, Oregon, part of Trinity Health.
Mary Hollowell's NPI, 1699409748, was assigned on July 14, 2022. Mary Hollowell holds Idaho license PA-2706.
- NPI
- 1699409748NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830623248
- NPI enumeration date
- July 14, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (541) 881-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary Hollowell practices at Saint Alphonsus Medical Center - Ontario in Ontario, Oregon
Mary Hollowell's primary practice is Saint Alphonsus Medical Center - Ontario, at 351 SW 9th Street, Ontario, OR 97914 in Malheur County. The practice phone is (541) 881-7000.
- Saint Alphonsus Medical Center - Ontario351 SW 9th Street, Ontario, OR 97914 · Malheur CountyPhone(541) 881-7000
Source: Dmand AI Affiliation Data
Mary Hollowell is affiliated with 4 sites of care and 2 medical groups
Mary Hollowell's primary practice is Saint Alphonsus Medical Center - Ontario in Ontario, Oregon, part of Trinity Health. Mary Hollowell is also affiliated with Saint Alphonsus Regional Medical Center. The medical group on file is Saint Alphonsus Regional Medical Center. Dmand AI also links Mary Hollowell to 1 more group practice or clinic, 1 therapy and rehab clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary Hollowell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Hollowell practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Alphonsus Medical Center - Ontario | Available with a free account |
| +3 more sites and 1 medical group | 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 Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Mary Hollowell is one of 1,937 physician assistants in Oregon
Physician assistant is Mary Hollowell's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mary Hollowell is licensed in Idaho.
Specialties and state licenses
- Physician assistant, IdahoPrimary
Physician assistants near Mary Hollowell
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
Mary Hollowell's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Mary Hollowell's median patient age at 69, with 63% women.
Mary Hollowell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women63%
- Men36%
Source: Dmand AI Patient Panel Data
How Mary Hollowell takes part in Medicare
Mary Hollowell 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 Mary Hollowell'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 Mary Hollowell
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary Hollowell's NPI number?
Mary Hollowell's NPI number is 1699409748. It was assigned on July 14, 2022, and it is active in the NPI Registry.
What does Mary Hollowell specialize in?
Mary Hollowell is a physician assistant in Ontario, Oregon. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Mary Hollowell practice?
Mary Hollowell practices at 351 SW 9th Street, Ontario, OR 97914. Mary Hollowell's primary practice is Saint Alphonsus Medical Center - Ontario in Ontario, Oregon, part of Trinity Health. Dmand AI also links Mary Hollowell to 1 group practice or clinic, 1 therapy and rehab clinic and 1 medical group.
What is Mary Hollowell's office phone number?
The practice phone on file for Mary Hollowell is (541) 881-7000.
What is Mary Hollowell's medical license number?
Mary Hollowell holds Idaho license PA-2706, one of 2 state licenses on file.
Which hospitals is Mary Hollowell affiliated with?
Mary Hollowell practices at Saint Alphonsus Medical Center - Ontario in Ontario, Oregon. Mary Hollowell is also affiliated with Saint Alphonsus Regional Medical Center.
What medical group is Mary Hollowell part of?
Mary Hollowell is linked to Saint Alphonsus Regional Medical Center. Dmand AI links Mary Hollowell to 1 more medical group.
Does Mary Hollowell accept Medicare?
Yes. CMS lists Mary Hollowell as accepting Medicare assignment.
How long has Mary Hollowell been practicing?
Mary Hollowell graduated from medical school in 2023, 3 years ago.
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