NPPES file of Aug 9, 2026

Preston Wyatt Chadwick, M.D.

Dermatology Physician · Salem, OR

Preston Wyatt Chadwick, M.D. is a dermatology physician with a practice address in Salem, Oregon, and NPI 1689985830, issued on Jun 22, 2010. Check the license (Oregon MD166983, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689985830
Name
Preston Wyatt Chadwick
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License numbers
MD166983 OR
25MA09197800 NJ
Self-reported in NPPES; status is on the state search
Practice location
2441 Grear St NE, Salem, OR 97301
Phone
(503) 364-3321
Enumerated
Jun 22, 2010
Record last updated
Sep 29, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140812002698); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2441 Grear St NE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Samuel Denton, MDDermatology Physician1881656387
  2. Teresa George, PAPhysician Assistant1942475918
  3. Michael Goodenberger, MDDermatology Physician1205898707
  4. Eric Harmon, PAPhysician Assistant1972778934
  5. Taryn JacobsonPhysician Assistant1669255295
  6. Erik Kokkonen, M.D.Dermatology Physician1497019905

Verify Preston Wyatt Chadwick in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD166983
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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37% more Medicare Part D claims than the average dermatology physician in 2024

1,090 Medicare Part D claims for 514 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Preston Chadwick1,090
  2. Specialty average797

Most prescribed

  1. Ketoconazole234 claims
  2. Triamcinolone Acetonide159 claims
  3. Clobetasol Propionate156 claims
  4. Doxycycline Hyclate55 claims
  5. Mupirocin50 claims
  6. Dupixent Pen47 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): 100 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.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,207.86

119 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Preston Chadwick$2,207.86
  2. Specialty average$8,544.61

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

  1. Dermatology Clinic PCSalem, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Preston Wyatt Chadwick among 209 dermatology physician records in Oregon

Preston Wyatt Chadwick, M.D. is one of 209 dermatology physician records with a practice address in Oregon. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 61% of them.

  • NPI issued2010 · 61% of these records are older, 36% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2010 · median 2008 among the 143 with a school on file
  • Record last updated2014 · 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 207N00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Oregon

There are 209 dermatology physician records in Oregon.

The 8 dermatology physician records with the nearest ZIP codes

  1. Samuel Denton, MDSalem, OR 973011881656387
  2. Michael Goodenberger, MDSalem, OR 973011205898707
  3. Erik Kokkonen, M.D.Salem, OR 973011497019905
  4. Shashi Srinivasan, MDSalem, OR 973011992755813
  5. Reyna SwiftSalem, OR 973011861812927
  6. Joshua Bezecny, DOSalem, OR 973021447555016
  7. Paarth Dodia, DOSalem, OR 973021508443532
  8. Cassidy Johnston, DOSalem, OR 973021831830694

Common questions

What is Preston Wyatt Chadwick, M.D.'s NPI number?

Preston Wyatt Chadwick, M.D.'s National Provider Identifier (NPI) is 1689985830, issued on Jun 22, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Preston Wyatt Chadwick, M.D. located?

The NPPES record lists a practice address at 2441 Grear St NE, Salem, OR, 97301. Phone: (503) 364-3321. Providers update this record themselves, so call before visiting.

How can I verify Preston Wyatt Chadwick, M.D.'s license?

NPPES lists Oregon license number MD166983, 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 Preston Wyatt Chadwick, M.D. prescribe under Medicare Part D?

In 2024, Preston Wyatt Chadwick, M.D. had 1,090 Medicare Part D claims for 514 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Preston Wyatt Chadwick, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 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.