Matthew Robert Sleasman, PsyD
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 6400 SE Lake Rd, Portland, OR 97222
- Practice phone
- Call (503) 786-1711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cornerstone Clinical Services
Portland, Oregon
Find Matthew Sleasman'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.
Matthew Robert Sleasman is a psychologist in Portland, Oregon
Matthew Sleasman practices at Cornerstone Clinical Services in Portland, Oregon.
Matthew Sleasman's NPI, 1326071937, was assigned on July 8, 2006. Matthew Sleasman holds Oregon license 1782.
- NPI
- 1326071937NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678573573
- NPI enumeration date
- July 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 786-1711
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Matthew Robert Sleasman practices at Cornerstone Clinical Services in Portland, Oregon
Matthew Sleasman's primary practice is Cornerstone Clinical Services, at 6400 SE Lake Rd, Portland, OR 97222 in Clackamas County. The practice phone is (503) 786-1711.
- Cornerstone Clinical Services6400 SE Lake Rd, Portland, OR 97222 · Clackamas CountyPhone(503) 786-1711
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Matthew Robert Sleasman is affiliated with 1 site of care and 1 medical group
Matthew Sleasman's primary practice is Cornerstone Clinical Services in Portland, Oregon. The medical group on file is Cornerstone Clinical Services.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Matthew Robert Sleasman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Sleasman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cornerstone Clinical Services | Available with a free account |
Source: Dmand AI Technology Install Data
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Matthew Robert Sleasman is one of 224 psychologists in Oregon
Psychologist is Matthew Sleasman's primary specialty in the NPI Registry, under taxonomy code 103T00000X. Matthew Sleasman is licensed in Oregon.
Specialties and state licenses
- Psychologist, OregonPrimary
Psychologists near Matthew Sleasman
Counts of psychologists 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
Matthew Robert Sleasman's patients have a median age of 37
Across all payers, Dmand AI patient panel data puts Matthew Sleasman's median patient age at 37, with 36% women.
Matthew Sleasman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women36%
- Men63%
Source: Dmand AI Patient Panel Data
How Matthew Robert Sleasman takes part in Medicare
Matthew Sleasman 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 Matthew Robert Sleasman'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 Matthew Robert Sleasman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Matthew Robert Sleasman's NPI number?
Matthew Robert Sleasman's NPI number is 1326071937. It was assigned on July 8, 2006, and it is active in the NPI Registry.
What does Matthew Robert Sleasman specialize in?
Matthew Robert Sleasman is a psychologist in Portland, Oregon. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).
Where does Matthew Robert Sleasman practice?
Matthew Sleasman practices at 6400 SE Lake Rd, Portland, OR 97222. Matthew Sleasman's primary practice is Cornerstone Clinical Services in Portland, Oregon.
What is Matthew Robert Sleasman's office phone number?
The practice phone on file for Matthew Sleasman is (503) 786-1711.
What is Matthew Robert Sleasman's medical license number?
Matthew Sleasman holds Oregon license 1782.
What medical group is Matthew Robert Sleasman part of?
Matthew Sleasman is linked to Cornerstone Clinical Services.
Does Matthew Robert Sleasman accept Medicare?
Yes. CMS lists Matthew Sleasman as accepting Medicare assignment.
How long has Matthew Robert Sleasman been practicing?
Matthew Sleasman graduated from medical school in 2004, 22 years ago.
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