NPPES file of Aug 9, 2026

Lan Ban, MD

Internal Medicine Physician · Portland, OR

Lan Ban, MD is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1134500358, issued on Jun 12, 2015. Check the license (Oregon MD189134, 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
1134500358
Name
Lan Ban
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MD189134 OR
PG173562 OR
Self-reported in NPPES; status is on the state search
Practice location
9135 SW Barnes RD Ste 763, Portland, OR 97225
Phone
(503) 216-8250
Enumerated
Jun 12, 2015
Record last updated
Oct 6, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20181025001927); accepts Medicare assignment
Medical or professional school
University Of Tennessee, Hsc, College Of Medicine, 2015
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 9135 SW Barnes RD Ste 763

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

  1. Eleni Clare, PA-CPhysician Assistant1174024400
  2. Tehniyah Gomez, PNP-PCPediatric Nurse Practitioner1720724388
  3. Phoebe Luc, RDRegistered Dietitian1487311171
  4. Alejandro Ruiz-Elizalde, M.D.Pediatric Surgery Physician1184873820
  5. Gabriel Time, PAPhysician Assistant1386476596
  6. Wendy Yu, MDInternal Medicine Physician1184016099

Verify Lan Ban in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD189134
    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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76% more Medicare Part D claims than the average internal medicine physician in 2024

5,597 Medicare Part D claims for 457 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 125 claims were for opioids.

  1. Lan Ban5,597
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium374 claims
  2. Rosuvastatin Calcium229 claims
  3. Amlodipine Besylate205 claims
  4. Levothyroxine Sodium196 claims
  5. Tamsulosin Hcl180 claims
  6. Lisinopril172 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. Providence Health And Services - OregonPortland, OR
  2. Providence Health And Services OregonBeaverton, OR

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

Lan Ban among 2,116 internal medicine physician records in Oregon

Lan Ban, 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 2015, is newer than 75% of them.

  • NPI issued2015 · 75% of these records are older, 22% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2015 · median 2008 among the 1,232 with a school on file
  • Record last updated2020 · 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. Myrna Casono, MDPortland, OR 972251588666432
  2. Timothy Cleary, M.D.Portland, OR 972251215933411
  3. Cynthia Ferrier, M.D.Portland, OR 972251285607440
  4. Robert Fojtasek, MDPortland, OR 972251306888649
  5. Steven Gordon, MDPortland, OR 972251285616748
  6. Thomas Gragnola, MDPortland, OR 972251144220765
  7. Janette Green, M.D.Portland, OR 972251225029986
  8. Charles Kilo, M.D.Portland, OR 972251801869078

Common questions

What is Lan Ban, MD's NPI number?

Lan Ban, MD's National Provider Identifier (NPI) is 1134500358, issued on Jun 12, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Lan Ban, MD located?

The NPPES record lists a practice address at 9135 SW Barnes RD Ste 763, Portland, OR, 97225. Phone: (503) 216-8250. Providers update this record themselves, so call before visiting.

How can I verify Lan Ban, MD's license?

NPPES lists Oregon license number MD189134, 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 Lan Ban, MD prescribe under Medicare Part D?

In 2024, Lan Ban, MD had 5,597 Medicare Part D claims for 457 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.