Mary Kate Parker, MD
Family Medicine Physician · Milwaukie, OR
Mary Kate Parker, MD is a family medicine physician with a practice address in Milwaukie, Oregon, and NPI 1528533890, issued on Oct 12, 2018. Check the license (Oregon MD225601, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary Kate Parker
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD225601 OR
Self-reported in NPPES; status is on the state search - Practice location
- 10330 SE 32ND Ave Ste 205, Milwaukie, OR 97222
- Phone
- (503) 513-8950
- Enumerated
- Oct 12, 2018
- Record last updated
- Sep 21, 2025
- Medicare enrollment
- Enrolled (PECOS I20250917002268); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2022
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 10330 SE 32ND Ave Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Kate Parker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD225601Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average family medicine physician in 2024
933 Medicare Part D claims for 88 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 15 claims were for opioids.
Most prescribed
- Atorvastatin Calcium73 claims
- Amlodipine Besylate47 claims
- Levothyroxine Sodium45 claims
- Lisinopril38 claims
- Losartan Potassium37 claims
- Albuterol Sulfate Hfa23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $43.30
1 payment: food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Kate Parker among 2,847 family medicine physician records in Oregon
Mary Kate Parker, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2022 · median 2009 among the 1,671 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
50 family medicine physician records list a practice address in Milwaukie
They are 50 of the 1,998 NPPES records with a practice address in Milwaukie, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Milwaukie → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sara Becker, MDMilwaukie, OR 972221811970346
- Brenda Brischetto, MDMilwaukie, OR 972221306891742
- Walter Buhl, MDMilwaukie, OR 972221174506604
- Jessica Burness, MDMilwaukie, OR 972221629034152
- Elizabeth Callaghan, MDMilwaukie, OR 972221164405692
- Carl Erickson, D.O.Milwaukie, OR 972221710970876
- William Gillanders, MDMilwaukie, OR 972221134157647
- Elizabeth Klein, MDMilwaukie, OR 972221710916051
Common questions
What is Mary Kate Parker, MD's NPI number?
Mary Kate Parker, MD's National Provider Identifier (NPI) is 1528533890, issued on Oct 12, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mary Kate Parker, MD located?
The NPPES record lists a practice address at 10330 SE 32ND Ave Ste 205, Milwaukie, OR, 97222. Phone: (503) 513-8950. Providers update this record themselves, so call before visiting.
How can I verify Mary Kate Parker, MD's license?
NPPES lists Oregon license number MD225601, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Kate Parker, MD prescribe under Medicare Part D?
In 2024, Mary Kate Parker, MD had 933 Medicare Part D claims for 88 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.