Ronald Jeffrey Dworkin, MD
Infectious Disease Physician · Portland, OR
Ronald Jeffrey Dworkin, MD is an infectious disease physician with a practice address in Portland, Oregon, and NPI 1154327997, issued on Jun 27, 2005. Check the license (Oregon MD16576, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ronald Jeffrey Dworkin
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- MD16576 OR
Self-reported in NPPES; status is on the state search - Practice location
- 5050 NE Hoyt St, Portland, OR 97213
- Phone
- (503) 215-6601
- Enumerated
- Jun 27, 2005
- Record last updated
- Jan 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (503) 215-6727
- Medicaid ID
- 010046 OR
- Medicare enrollment
- Enrolled (PECOS I20120220001017); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1984
- 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 5050 NE Hoyt St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ronald Jeffrey Dworkin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD16576Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average infectious disease physician in 2024
132 Medicare Part D claims for 53 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin22 claims
- Atovaquone-Proguanil Hcl12 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): 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 4 group practices
- Mckenzie Physician Services LLCSpringfield, OR
- Providence Health And Services OregonPortland, OR
- Providence Health And Services WashingtonPortland, OR
- Providence Medical InstitutePortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald Jeffrey Dworkin among 127 infectious disease physician records in Oregon
Ronald Jeffrey Dworkin, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1984 · median 2007 among the 88 with a school on file
- Record last updated2021 · 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
- Paul Cieslak, M.D.Portland, OR 972131083758130
- Udip Dahal, MDPortland, OR 972131164733911
- Amy Dechet, M.D.Portland, OR 972131508031832
- Wendi Drummond, D.O.Portland, OR 972131417160797
- David Gilbert, MDPortland, OR 972131578569257
- Justin Jin, MDPortland, OR 972131710054218
- Brian Kendall, MDPortland, OR 972131104017052
- Rachel Lanasa, M.D.Portland, OR 972131265875165
Common questions
What is Ronald Jeffrey Dworkin, MD's NPI number?
Ronald Jeffrey Dworkin, MD's National Provider Identifier (NPI) is 1154327997, issued on Jun 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Jeffrey Dworkin, MD located?
The NPPES record lists a practice address at 5050 NE Hoyt St, Portland, OR, 97213. Phone: (503) 215-6601. Providers update this record themselves, so call before visiting.
How can I verify Ronald Jeffrey Dworkin, MD's license?
NPPES lists Oregon license number MD16576, 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 Ronald Jeffrey Dworkin, MD prescribe under Medicare Part D?
In 2024, Ronald Jeffrey Dworkin, MD had 132 Medicare Part D claims for 53 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Ronald Jeffrey Dworkin, 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.