NPPES file of Aug 9, 2026

Leslie L. Root, MD

Internal Medicine Physician · Portland, OR

Leslie L. Root, MD is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1831167907, issued on Mar 14, 2006. Check the license (Oregon MD19668, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831167907
Name
Leslie L. Root
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD19668 OR
Self-reported in NPPES; status is on the state search
Practice location
501 N Graham St, Portland, OR 97227
Phone
(503) 249-5780
Enumerated
Mar 14, 2006
Record last updated
Apr 17, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(503) 249-5788
Medicaid ID
129949 OR
Medicare enrollment
Enrolled (PECOS I20080527000577); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 501 N Graham St

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

  1. Christopher Achterman, MDOrthopaedic Surgery Physician1811966518
  2. Halah AlameriPharmacist1922810654
  3. Jeremy AlperPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1093172702
  4. Peter Auerbach, MDPediatric Emergency Medicine (Emergency Medicine) Physician1255339289
  5. Charles Baker, M.D.Neonatal-Perinatal Medicine Physician1144345463
  6. Erica BallardMedical Physician Assistant1932542503

Verify Leslie L. Root in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD19668
    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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63% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,178 Medicare Part D claims for 251 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Leslie Root1,178
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate74 claims
  2. Atorvastatin Calcium59 claims
  3. Levothyroxine Sodium58 claims
  4. Losartan Potassium56 claims
  5. Lisinopril52 claims
  6. Simvastatin49 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 3 group practices

  1. Legacy Clinics LLCPortland, OR
  2. Legacy Emanuel Hospital And Health CenterPortland, OR
  3. Legacy Good Samaritan Hospital And Medical CenterPortland, OR

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

Leslie L. Root among 2,116 internal medicine physician records in Oregon

Leslie L. Root, MD is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 54% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1994 · median 2008 among the 1,232 with a school on file
  • Record last updated2017 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Douglas Beers, MDPortland, OR 972271720055197
  2. Denise Bilbao, M.D.Portland, OR 972271538173943
  3. Duane Burroughs, MDPortland, OR 972271134197213
  4. Smitha Chadaga, MDPortland, OR 972271952362295
  5. Darcy Deering, M.D.Portland, OR 972271205801065
  6. Lori Farrell, M.D.Portland, OR 972271235103987
  7. Elise Fulsang, MDPortland, OR 972271952305385
  8. Ameet Jhooty, M.DPortland, OR 972271295795938

Common questions

What is Leslie L. Root, MD's NPI number?

Leslie L. Root, MD's National Provider Identifier (NPI) is 1831167907, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leslie L. Root, MD located?

The NPPES record lists a practice address at 501 N Graham St, Portland, OR, 97227. Phone: (503) 249-5780. Providers update this record themselves, so call before visiting.

How can I verify Leslie L. Root, MD's license?

NPPES lists Oregon license number MD19668, 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 Leslie L. Root, MD prescribe under Medicare Part D?

In 2024, Leslie L. Root, MD had 1,178 Medicare Part D claims for 251 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.