Scott Chadderdon, MD
Cardiovascular Disease Physician · Portland, OR
Scott Chadderdon, MD is a cardiovascular disease physician with a practice address in Portland, Oregon, and NPI 1811068752, issued on Nov 13, 2006. Check the license (Oregon MD25480, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Scott Chadderdon
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- MD25480 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD, Portland, OR 97239
- Phone
- (503) 494-8750
- Enumerated
- Nov 13, 2006
- Record last updated
- Dec 10, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 8431371 WA
- Medicare enrollment
- Enrolled (PECOS I20090527000624); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 2002
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 265 in Oregon → Look up another NPI →
Also registered at 3181 SW Sam Jackson Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex AamodtCritical Care Medicine Registered Nurse1154257590
- Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
- Kenneth Abbey, MDAnesthesiology Physician1588779342
- Matthew Abbott, PA-CMedical Physician Assistant1154738003
- Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
- Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430
Verify Scott Chadderdon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD25480Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
1,160 Medicare Part D claims for 141 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Potassium Chloride119 claims
- Atorvastatin Calcium118 claims
- Metoprolol Succinate89 claims
- Losartan Potassium86 claims
- Carvedilol80 claims
- Rosuvastatin Calcium71 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 MIPS final score for 2023 (Medicare payment program): 97.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $49,515.03
121 payments; by number, the most common kind was travel and lodging; the largest payer was Medtronic, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 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 ServicesBeaverton, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Scott Chadderdon among 265 cardiovascular disease physician records in Oregon
Scott Chadderdon, MD is one of 265 cardiovascular disease physician records with a practice address in Oregon. 76% 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 21% of them.
- NPI issued2006 · 21% of these records are older, 42% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2002 · median 2001 among the 182 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 207RC0000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Oregon
There are 265 cardiovascular disease physician records in Oregon.
All 265 in Oregon → Every provider in Portland → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- George Baker, MDPortland, OR 972391982791935
- Craig Broberg, MDPortland, OR 972391508874058
- Joaquin Cigarroa, M.D.Portland, OR 972391407880545
- Kathy Crispell, MDPortland, OR 972391861580490
- Henry Demots, MDPortland, OR 972391154336675
- Susan Grauer, MDPortland, OR 972391720015589
- Nandita Gupta, M.D.Portland, OR 972391801862255
- Sanjiv Kaul, MDPortland, OR 972391699783167
Common questions
What is Scott Chadderdon, MD's NPI number?
Scott Chadderdon, MD's National Provider Identifier (NPI) is 1811068752, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Scott Chadderdon, MD located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-8750. Providers update this record themselves, so call before visiting.
How can I verify Scott Chadderdon, MD's license?
NPPES lists Oregon license number MD25480, 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 Scott Chadderdon, MD prescribe under Medicare Part D?
In 2024, Scott Chadderdon, MD had 1,160 Medicare Part D claims for 141 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Scott Chadderdon, MD's MIPS final score?
The 2023 MIPS final score is 97.8 of 100. 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.