Qian Leng, MD
Internal Medicine Physician · Portland, OR
Qian Leng, MD is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1154637015, issued on Aug 29, 2010. Check the license (Oregon MD162855, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Qian Leng
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD162855 OR
151340 OR
Self-reported in NPPES; status is on the state search - Practice location
- 421 SW Oak St, Portland, OR 97204
- Phone
- (503) 988-7468
- Enumerated
- Aug 29, 2010
- Record last updated
- Mar 3, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (503) 988-3015
- Medicaid IDs
- 096511 OR
22959 OR - Medicare enrollment
- Enrolled (PECOS I20140724000599); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 421 SW Oak St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jean Anderson, RNCommunity Health Registered Nurse1417185190
- Karen Kazz Artis, LPC, LCATProfessional Counselor1033270939
- Sara Ashmore, MSWCounselor1619223864
- Jennifer Atkins, LCSWClinical Social Worker1700295029
- Kerri Ault, MSWCase Manager/Care Coordinator1033273602
- Krista BabbittMental Health Counselor1578714614
Verify Qian Leng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD162855Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,025 Medicare Part D claims for 166 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Atorvastatin Calcium115 claims
- Eliquis42 claims
- Losartan Potassium34 claims
- Amlodipine Besylate33 claims
- Levothyroxine Sodium32 claims
- Lisinopril32 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 2 group practices
- Legacy Clinics LLCPortland, OR
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Qian Leng among 2,116 internal medicine physician records in Oregon
Qian Leng, 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 2010, is newer than 62% of them.
- NPI issued2010 · 62% of these records are older, 35% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2010 · median 2008 among the 1,232 with a school on file
- Record last updated2014 · 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.
All 2,116 in Oregon → Every provider in Portland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Bane, MDPortland, OR 972041952431470
- Wayne Englander, MDPortland, OR 972041114079472
- Richard Gil, M.D.Portland, OR 972041023300837
- Richard Houle, MDPortland, OR 972041043362312
- Song Kim, MDPortland, OR 972041275685455
- Peter Kliewer, MDPortland, OR 972041588702476
- James Thayer, MDPortland, OR 972041972551976
- Mary Ware, MDPortland, OR 972041457483844
Common questions
What is Qian Leng, MD's NPI number?
Qian Leng, MD's National Provider Identifier (NPI) is 1154637015, issued on Aug 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Qian Leng, MD located?
The NPPES record lists a practice address at 421 SW Oak St, Portland, OR, 97204. Phone: (503) 988-7468. Providers update this record themselves, so call before visiting.
How can I verify Qian Leng, MD's license?
NPPES lists Oregon license number MD162855, 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 Qian Leng, MD prescribe under Medicare Part D?
In 2024, Qian Leng, MD had 1,025 Medicare Part D claims for 166 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.