Kevin Loring Winthrop, MD
Infectious Disease Physician · Portland, OR
Kevin Loring Winthrop, MD is an infectious disease physician with a practice address in Portland, Oregon, and NPI 1679509525, issued on Jun 23, 2006. Check the license (Oregon 25331, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kevin Loring Winthrop
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 25331 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3375 SW Terwilliger Blvd, Portland, OR 97239
- Phone
- (503) 494-7890
- Enumerated
- Jun 23, 2006
- Record last updated
- Jan 16, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (503) 494-0470
- Medicaid IDs
- 8457194 WA
240073 OR - Medicare enrollment
- Enrolled (PECOS I20060822000141); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 127 in Oregon → Look up another NPI →
Also registered at 3375 SW Terwilliger Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Talal Alabduljalil, MDOphthalmology Physician1689044273
- Daniel Albert, MDOphthalmology Physician1801862388
- Kavita Bhavsar, MDRetina Specialist (Ophthalmology) Physician1720216765
- Kristin Biggee, M.D.Ophthalmology Physician1376719591
- Amanda Burr, MS, CGCGenetic Counselor (M.S.)1770013252
- Mauricio Cabezas, M.D.Ophthalmology Physician1295970424
Verify Kevin Loring Winthrop in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license 25331Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average infectious disease physician in 2024
832 Medicare Part D claims for 96 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin215 claims
- Ethambutol Hcl196 claims
- Rifampin100 claims
- Albuterol Sulfate Hfa30 claims
- Doxycycline Monohydrate30 claims
- Trelegy Ellipta28 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 97.2 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).
Industry payments in 2024: $412,168.38
108 payments; by number, the most common kind was consulting fee; the largest payer was E.R. Squibb & Sons, L.L.C. The 3,895 providers of this specialty with any payment received $4,362.19 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
- University Professional ServicesPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kevin Loring Winthrop among 127 infectious disease physician records in Oregon
Kevin Loring Winthrop, MD is one of 127 infectious disease physician records with a practice address in Oregon. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 54% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1998 · median 2007 among the 88 with a school on file
- Record last updated2013 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Oregon
There are 127 infectious disease physician records in Oregon.
All 127 in Oregon → Every provider in Portland → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Richard Bryant, MDPortland, OR 972391285641100
- Sunwen Chou, MDPortland, OR 972391568477073
- Graeme Forrest, M.D.Portland, OR 972391730139114
- Morgan Hakki, MDPortland, OR 972391255441556
- Kieren MarrPortland, OR 972391104916055
- George Mejicano, MDPortland, OR 972391083680979
- Melissa Murphy, MDPortland, OR 972391497763916
- Christopher Pfeiffer, M.D., M.H.S.Portland, OR 972391760440044
Common questions
What is Kevin Loring Winthrop, MD's NPI number?
Kevin Loring Winthrop, MD's National Provider Identifier (NPI) is 1679509525, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kevin Loring Winthrop, MD located?
The NPPES record lists a practice address at 3375 SW Terwilliger Blvd, Portland, OR, 97239. Phone: (503) 494-7890. Providers update this record themselves, so call before visiting.
How can I verify Kevin Loring Winthrop, MD's license?
NPPES lists Oregon license number 25331, 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 Kevin Loring Winthrop, MD prescribe under Medicare Part D?
In 2024, Kevin Loring Winthrop, MD had 832 Medicare Part D claims for 96 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Kevin Loring Winthrop, MD's MIPS final score?
The 2023 MIPS final score is 97.2 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.