NPPES file of Aug 9, 2026

Mark W. Cheng, M.D.

Physical Medicine & Rehabilitation Physician · Portland, OR

Mark W. Cheng, M.D. is a physical medicine & rehabilitation physician with a practice address in Portland, Oregon, and NPI 1871899740, issued on Feb 9, 2011. Check the license (Oregon MD183687, 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
1871899740
Name
Mark W. Cheng
Credential
M.D.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License numbers
MD183687 OR
A112066 CA
Self-reported in NPPES; status is on the state search
Practice location
1675 SW Marlow Ave Ste 202, Portland, OR 97225
Phone
(503) 430-1777
Enumerated
Feb 9, 2011
Record last updated
May 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180410002924); accepts Medicare assignment
Medical or professional school
New York Medical College, 2013
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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8 nearest physical medicine & rehabilitation physician records → All 164 in Oregon → Look up another NPI →

Also registered at 1675 SW Marlow Ave Ste 202

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

  1. Kirsten Carr, M.D.Family Medicine Physician1225054646
  2. Tomoaki Honda, DNP FNP NP-C ARNPFamily Nurse Practitioner1760852925
  3. Stacey Melnick, NPAdult Health Nurse Practitioner1235572744
  4. Kristie Mitchell, FNPNurse Practitioner1457876633

Verify Mark W. Cheng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD183687    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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38% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

449 Medicare Part D claims for 99 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 39 claims were for opioids.

  1. Mark Cheng449
  2. Specialty average727

Most prescribed

  1. Atorvastatin Calcium30 claims
  2. Gabapentin27 claims
  3. Oxycodone Hcl25 claims
  4. Duloxetine Hcl22 claims
  5. Trazodone Hcl21 claims
  6. Baclofen18 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

  1. Legacy Good Samaritan Hospital And Medical CenterPortland, OR
  2. Legacy Meridian Park HospitalTualatin, OR

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

Mark W. Cheng among 164 physical medicine & rehabilitation physician records in Oregon

Mark W. Cheng, M.D. is one of 164 physical medicine & rehabilitation physician records with a practice address in Oregon. 52% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 61% of them.

  • NPI issued2011 · 61% of these records are older, 35% newer
  • In a Medicare fileYes · 52% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2013 · median 2009 among the 71 with a school on file
  • Record last updated2018 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in Oregon

There are 164 physical medicine & rehabilitation physician records in Oregon.

All 164 in Oregon → Every provider in Portland → Physical Medicine & Rehabilitation Physician nationwide →

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Danielle Erb, MDPortland, OR 972251003850074
  2. Lauren Fisher, MDPortland, OR 972251215253778
  3. Jeffrey Gerry, MDPHDPortland, OR 972251396727400
  4. Edward Lairson, MDPortland, OR 972251588686422
  5. Mary Lindquist, MDPortland, OR 972251942317433
  6. Stephanie Liu, MDPortland, OR 972251013112721
  7. Thomas Lorish, MDPortland, OR 972251013992387
  8. Angela Rodriguez, DPT, LMTPortland, OR 972251114090123

Common questions

What is Mark W. Cheng, M.D.'s NPI number?

Mark W. Cheng, M.D.'s National Provider Identifier (NPI) is 1871899740, issued on Feb 9, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Mark W. Cheng, M.D. located?

The NPPES record lists a practice address at 1675 SW Marlow Ave Ste 202, Portland, OR, 97225. Phone: (503) 430-1777. Providers update this record themselves, so call before visiting.

How can I verify Mark W. Cheng, M.D.'s license?

NPPES lists Oregon license number MD183687, 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 Mark W. Cheng, M.D. prescribe under Medicare Part D?

In 2024, Mark W. Cheng, M.D. had 449 Medicare Part D claims for 99 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.