Matthew Harvey Clark, PA-C
- Part D claims, 2024
- 206
- Hospital affiliations
- 1
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 500 NE Multnomah St, Portland, OR 97232
- Practice phone
- Call (503) 813-2440
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Foundation Health Plan of the Northwest
Portland, Oregon
Find Matthew Clark'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 Harvey Clark is a surgical physician assistant in Portland, Oregon
Matthew Clark practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon.
Matthew Clark's NPI, 1073520581, was assigned on August 1, 2006. Matthew Clark holds California license PA22496.
- NPI
- 1073520581NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709895352
- NPI enumeration date
- August 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 813-2440
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Matthew Harvey Clark practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon
Matthew Clark's primary practice is Kaiser Foundation Health Plan of the Northwest, at 500 NE Multnomah St, Portland, OR 97232 in Multnomah County. The practice phone is (503) 813-2440.
- Kaiser Foundation Health Plan of the Northwest500 NE Multnomah St, Portland, OR 97232 · Multnomah CountyPhone(503) 813-2440
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Matthew Harvey Clark is affiliated with 3 sites of care and 1 medical group
Matthew Clark's primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. Matthew Clark is also affiliated with Kaiser Permanente Sunnyside Medical Center. The medical group on file is Kaiser Permanente Northwest. Dmand AI also links Matthew Clark to 1 more group practice or clinic, 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 Matthew Harvey Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Clark practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Foundation Health Plan of the Northwest | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Matthew Harvey Clark is one of 317 surgical physician assistants in Oregon
Surgical is Matthew Clark's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Matthew Clark is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Dmand AI has Matthew Clark's licenses on file in 2 states: California and Washington.
Specialties and state licenses
- Surgical physician assistant, CaliforniaPrimary
- Physician assistant, Washington
Surgical physician assistants near Matthew Clark
Counts of surgical 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
Matthew Harvey Clark's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Matthew Clark's median patient age at 57, with 42% women.
Matthew Clark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women42%
- Men57%
Source: Dmand AI Patient Panel Data
Matthew Harvey Clark wrote 206 Medicare Part D claims in 2024
In 2024, Matthew Clark wrote 206 Medicare Part D claims for 99 patients. 98% of them were for generic drugs. CMS names the drug for 113 of them, across 3 drugs with 11 or more claims each, at $1,138 in total drug cost.
Matthew Clark's Part D claims by kind of drug, 2024
- Generic201 claims98%
- Brand-name and other5 claims2%
Matthew Clark's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Matthew Clark's Part D claims, 2024
- Opioids35%73 of 206 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Matthew Harvey Clark takes part in Medicare
Matthew Clark 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)
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Matthew Harvey Clark is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Matthew Harvey Clark'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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Matthew Harvey Clark
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 Harvey Clark's NPI number?
Matthew Harvey Clark's NPI number is 1073520581. It was assigned on August 1, 2006, and it is active in the NPI Registry.
What does Matthew Harvey Clark specialize in?
Matthew Harvey Clark is a surgical physician assistant in Portland, Oregon. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).
Where does Matthew Harvey Clark practice?
Matthew Clark practices at 500 NE Multnomah St, Portland, OR 97232. Matthew Clark's primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. Dmand AI also links Matthew Clark to 1 group practice or clinic.
What is Matthew Harvey Clark's office phone number?
The practice phone on file for Matthew Clark is (503) 813-2440.
What is Matthew Harvey Clark's medical license number?
Matthew Clark holds California license PA22496, one of the licenses on file in 2 states.
Which states has Matthew Harvey Clark been licensed in?
Dmand AI has state licenses on file for Matthew Clark in California and Washington.
Which hospitals is Matthew Harvey Clark affiliated with?
Matthew Clark is affiliated with Kaiser Permanente Sunnyside Medical Center.
What medical group is Matthew Harvey Clark part of?
Matthew Clark is linked to Kaiser Permanente Northwest.
Does Matthew Harvey Clark accept Medicare?
Yes. CMS lists Matthew Clark as accepting Medicare assignment.
Is Matthew Harvey Clark board certified?
Yes. Matthew Clark is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What drugs does Matthew Harvey Clark prescribe most?
In 2024 Medicare Part D data, Matthew Clark's most prescribed drugs by claims were Oxycodone HCl, Methocarbamol and Tizanidine HCl.
How long has Matthew Harvey Clark been practicing?
Matthew Clark graduated from medical school in 1997, 29 years ago.
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