Kristen P. Massimino, MD
Surgical Oncology Physician · Portland, OR
Kristen P. Massimino, MD is a surgical oncology physician with a practice address in Portland, Oregon, and NPI 1720208556, issued on Apr 26, 2007. Check the license (Oregon MD171629, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kristen P. Massimino
- Credential
- MD
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License number
- MD171629 OR
Self-reported in NPPES; status is on the state search - Practice location
- 9155 SW Barnes RD Ste 238, Portland, OR 97225
- Phone
- (503) 216-6407
- Enumerated
- Apr 26, 2007
- Record last updated
- Mar 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150727001389); accepts Medicare assignment
- Medical or professional school
- Wright State University Boonshoft School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest surgical oncology physician records → All 14 in Oregon → Look up another NPI →
Also registered at 9155 SW Barnes RD Ste 238
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Bautista, NPGerontology Nurse Practitioner1184485492
- Rachel Christian, PA-CPhysician Assistant1962974840
- Madelyn Do, PAPhysician Assistant1285942078
- Maryam Larki, D.C.Chiropractor1760538011
- Claire LatendresseGenetic Counselor (M.S.)1487585907
- Laura Martell, ND, LACNaturopath1750454971
Verify Kristen P. Massimino in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD171629Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average surgical oncology physician in 2024
32 Medicare Part D claims for 23 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
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).
Kristen P. Massimino among 14 surgical oncology physician records in Oregon
Kristen P. Massimino, MD is one of 14 surgical oncology physician records with a practice address in Oregon. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 43% of them.
- NPI issued2007 · 43% of these records are older, 50% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 93% of these records are
- Graduated2007 · median 2008 among the 13 with a school on file
- Record last updated2021 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Oncology Physician providers in Oregon
There are 14 surgical oncology physician records in Oregon.
All 14 in Oregon → Every provider in Portland → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- Kathleen Dunham, M.D.Tigard, OR 972231194040139
- William Wood, MDPortland, OR 972201881752293
- Michele Babicky, M.D.Portland, OR 972131871742478
- John Creasy, MDPortland, OR 972131336415140
- Kelvin Yu, MDPortland, OR 972131700898723
- Joshua Davis, MDPortland, OR 972391073072054
- James Lim, M.D.Portland, OR 972391760617914
- Arpana Naik, MDPortland, OR 972391508871013
Common questions
What is Kristen P. Massimino, MD's NPI number?
Kristen P. Massimino, MD's National Provider Identifier (NPI) is 1720208556, issued on Apr 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kristen P. Massimino, MD located?
The NPPES record lists a practice address at 9155 SW Barnes RD Ste 238, Portland, OR, 97225. Phone: (503) 216-6407. Providers update this record themselves, so call before visiting.
How can I verify Kristen P. Massimino, MD's license?
NPPES lists Oregon license number MD171629, 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 Kristen P. Massimino, MD prescribe under Medicare Part D?
In 2024, Kristen P. Massimino, MD had 32 Medicare Part D claims for 23 beneficiaries; the average among surgical oncology physician prescribers was 87. Part D covers Medicare prescriptions only.
What is Kristen P. Massimino, MD's MIPS final score?
The 2023 MIPS final score is 87.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.