Charles L. Darby, MD
Internal Medicine Physician · Portland, OR
Charles L. Darby, MD is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1942376850, issued on Nov 24, 2006. Check the license (Oregon MD13251, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Charles L. Darby
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD13251 OR
Self-reported in NPPES; status is on the state search - Practice location
- 4212 NE Broadway St, Portland, OR 97213
- Phone
- (503) 249-8787
- Enumerated
- Nov 24, 2006
- Record last updated
- Oct 28, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 10606-2 OR
- Medicare enrollment
- Enrolled (PECOS I20101201001179); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 1981
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 4212 NE Broadway St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dennis Asby, M.D.Internal Medicine Physician1538235437
- Mary Baker, MDPediatrics Physician1073670832
- John Bauer, M.D.Internal Medicine Physician1902972813
- Patricia Burke, M.D.Pediatrics Physician1306964911
- Susan Calvert, R.PH.Pharmacist1164563185
- Kristan Collins, MDPediatrics Physician1255408647
Verify Charles L. Darby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD13251Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,573 Medicare Part D claims for 344 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium181 claims
- Metformin Hcl62 claims
- Losartan Potassium59 claims
- Tamsulosin Hcl58 claims
- Amlodipine Besylate48 claims
- Atenolol42 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.
Bills Medicare through one group practice
- Broadway Medical Clinic LLPPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
889 internal medicine physician records list a practice address in Portland
They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon.
All 889 in Portland → All 2,116 in Oregon → Every provider in Portland →
Other internal medicine physician records in Oregon
- Charmaine Clarisse Abalos, M.D.Medford, OR1700376050
- Soraya Abbassian, M.D.Portland, OR1225029184
- Mohamed Abdel Khalek, M.DRoseburg, OR1972687390
- Rand AbedalweliPortland, OR1265019996
- Robert Abernathy, M.D.Bend, OR1063433449
- Rebecca Abney, D.O.Portland, OR1881984748
- Mohamed Aboukhashan, MDMedford, OR1932350782
- Allison Abraham, D.O.Portland, OR1831488444
- Heidi Abreu Pacheco, M.DMount Angel, OR1669691721
- Hennie Abrio, MDRoseburg, OR1891925129
Common questions
What is Charles L. Darby, MD's NPI number?
Charles L. Darby, MD's National Provider Identifier (NPI) is 1942376850, issued on Nov 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles L. Darby, MD located?
The NPPES record lists a practice address at 4212 NE Broadway St, Portland, OR, 97213. Phone: (503) 249-8787. Providers update this record themselves, so call before visiting.
How can I verify Charles L. Darby, MD's license?
NPPES lists Oregon license number MD13251, 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 Charles L. Darby, MD prescribe under Medicare Part D?
In 2024, Charles L. Darby, MD had 1,573 Medicare Part D claims for 344 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.