NPPES file of Aug 9, 2026

John H. Lemmer, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Portland, OR

John H. Lemmer, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Portland, Oregon, and NPI 1730171182, issued on Aug 19, 2005. Check the license (Oregon MD17117, as entered in NPPES) on the Oregon Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730171182
Name
John H. Lemmer
Credential
MD
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License numbers
MD17117 OR
MD00029201 WA
Self-reported in NPPES; status is on the state search
Practice location
2222 NW Lovejoy St, Portland, OR 97210
Phone
(503) 226-6321
Enumerated
Aug 19, 2005
Record last updated
Sep 26, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(503) 227-3422
Medicaid IDs
8155681 WA
021589 OR
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 67 in Oregon → Look up another NPI →

Also registered at 2222 NW Lovejoy St

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

  1. Jennifer Balentine, MDOphthalmology Physician1962482638
  2. Connie Barber, ANPNurse Practitioner1891787602
  3. James Borden, MDInternal Medicine Physician1679555742
  4. Dustin Bronsdon, AU.D.Audiologist1851726319
  5. Julie Cohn, M.D.Geriatric Psychiatry Physician1669608402
  6. Robert Courtox, PAPhysician Assistant1184626970

Verify John H. Lemmer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD17117    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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John H. Lemmer among 67 thoracic surgery (cardiothoracic vascular surgery) physician records in Oregon

John H. Lemmer, MD is one of 67 thoracic surgery (cardiothoracic vascular surgery) 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 not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 82% newer
  • In a Medicare fileNo · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2013 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Oregon

There are 67 thoracic surgery (cardiothoracic vascular surgery) physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 67 in Oregon → Every provider in Portland → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Robert Dubose, MDPortland, OR 972101578610374
  2. Kai Engstad, M.D.Portland, OR 972101174793830
  3. Jonathan Hill, MDPortland, OR 972101740272277
  4. Albert Krause, MDPortland, OR 972101124010509
  5. Mark Martin, MDPortland, OR 972101548252992
  6. Joseph Okies, MDPortland, OR 972101205828563
  7. Pasala Ravichandran, MDPortland, OR 972101487669990
  8. Andrew Tsen, MDPortland, OR 972101659364719

Common questions

What is John H. Lemmer, MD's NPI number?

John H. Lemmer, MD's National Provider Identifier (NPI) is 1730171182, issued on Aug 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John H. Lemmer, MD located?

The NPPES record lists a practice address at 2222 NW Lovejoy St, Portland, OR, 97210. Phone: (503) 226-6321. Providers update this record themselves, so call before visiting.

How can I verify John H. Lemmer, MD's license?

NPPES lists Oregon license number MD17117, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.