Medical groups in Lake Oswego, OR
- Medical groups
- 22
- Multi-specialty
- 5
- Single-specialty
- 17
- More than one site
- 12
- 100+ physicians
- 1
There are 22 medical groups in Lake Oswego with a Medicare PAC ID. Providence Medical Group, Oregon is the largest, with 998 Oregon physicians, followed by ZoomCare with 8. 82% of Lake Oswego groups are independent.
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Providence Medical Group, Oregon is the largest medical group in Lake Oswego, with 998 physicians
Ranked by physicians with an Oregon address linked to each group based in Lake Oswego. ZoomCare is second with 8, and Summit Orthopaedics third with 6. 1 Lake Oswego group has 100 or more physicians.
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Showing 1 to 10 of 22 medical groups in Lake Oswego
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
82% of Lake Oswego medical groups are independent, with no larger parent organization
A group counts as independent when no health system, platform or other organization sits above it in the org hierarchy. Every other group belongs to a larger organization.
Lake Oswego medical groups by ownership
- Independent18
- Health system or hospital2
- Platform or corporate owner1
- Other organization1
Source: Dmand AI Org Hierarchy Data
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Dmand AI maps the owners, administrators and physician leaders at each of the 22 Lake Oswego medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
2 Lake Oswego medical groups practice at a hospital site
Beyond their own offices, groups practice at the sites of care linked to them in the org hierarchy. A group can practice at several kinds of site, so the shares overlap.
Lake Oswego medical groups by site of care
- Hospitals2
- Ambulatory surgery centers1
- FQHCs1
- Therapy and rehab centers1
- Hospices1
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Eye care groups are the most common medical groups in Lake Oswego, with 4
Each group is counted once, under its main specialty. Behavioral and mental health groups are second, with 3, and 5 Lake Oswego groups are multi-specialty.
- Eye care4
- Behavioral and mental health3
- Rehabilitation and therapy3
- Chiropractic2
- Orthopedics and sports medicine2
- Primary care2
- Anesthesia and pain1
- Dermatology1
- Emergency and hospital medicine1
- ENT and audiology1
- OB/GYN and women's health1
- Plastic and cosmetic surgery1
Source: Dmand AI Professional Profile Data
1,964 Oregon HCPs work in Lake Oswego medical groups, 1,029 of them physicians
Each clinician is counted once, across every Lake Oswego group they are linked to. Only clinicians with an Oregon address are counted.
HCPs in Lake Oswego medical groups by type
- Physicians (MD, DO)1,029
- Nurses and nurse practitioners289
- Physician assistants238
- Therapists (PT and OT)140
- Behavioral health clinicians138
- Other HCPs130
Source: Dmand AI Affiliation Data
Each Lake Oswego medical group profile shows the parent, sites, clinicians and identifiers
- Clinicians and specialtiesA count by specialty and a sample of the group's cliniciansOn every profile
- Practice locationsMain site and a sample of practice locations, with a count of the restOn every profile
- Medicare Part B paymentsMedicare payments to the group, from CMSOn every profile
- Group NPI and Medicare PAC IDIdentifiers for matching records across sourcesOn every profile
- Parent organizationThe health system, platform or owner above the groupOn every profile
- Every clinician and siteThe full roster and every practice locationWith a free account
- Leader and clinician contactsWork emails and mobile numbers, found on request and then validatedWith a free account
- EHR used by the group's cliniciansThe EHR in use at the group's sitesWith a free account
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Sources: Doctors and Clinicians National Downloadable File (CMS), Medicare Physician & Other Practitioners (CMS) and Dmand AI Org Hierarchy Data
Sources for the Lake Oswego medical group directory
| Data on this page | Source |
|---|---|
| Medical groups, specialties and sites | Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Professional Profile Data |
| Parent organizations and independence | Dmand AI Org Hierarchy Data |
| Physicians and HCPs | Dmand AI Affiliation Data |
| Group NPI and PAC ID | NPPES NPI Registry (CMS) and Doctors and Clinicians National Downloadable File (CMS) |
Data last refreshed October 2026Report an inaccuracyRemove my information
The directory lists groups based in Lake Oswego with a Medicare PAC ID.
FAQ
Frequently asked questions about medical groups in Lake Oswego
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many medical groups are in Lake Oswego?
There are 22 medical groups based in Lake Oswego with a Medicare PAC ID: 5 multi-specialty and 17 single-specialty. 12 of them have more than one site.
What is the largest medical group in Lake Oswego?
Providence Medical Group, Oregon, with 998 physicians and 1,728 HCPs with an Oregon address. ZoomCare is second with 8, and Summit Orthopaedics is third with 6.
How many Lake Oswego medical groups are independent?
18, or 82%, have no larger parent organization in the Dmand AI org hierarchy. 2 belong to a health system or hospital and 1 to a physician platform or corporate owner.
How many Lake Oswego medical groups practice at a hospital?
2 Lake Oswego groups practice at a hospital site linked to them in the Dmand AI org hierarchy.
How do I find a medical group's NPI or PAC ID?
Each medical group profile lists the group NPI and Medicare PAC ID at the top, with the main address and phone number. The NPI comes from the NPPES NPI Registry and the PAC ID from CMS Medicare enrollment.
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