Registry data as of Aug 27, 2026

Curtis Larson, MD

Gastroenterology Physician · Hillsboro, OR

Curtis Larson, MD is a gastroenterology physician with a practice address in Hillsboro, Oregon, and NPI 1659371540, issued on Jul 21, 2005. Check the license on the Oregon Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1659371540
Name
Curtis Larson
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
Practice location
232 SE 7TH Ave, Hillsboro, OR 97123
Phone
(503) 640-1614
Enumerated
Jul 21, 2005
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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Also registered at 232 SE 7TH Ave

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

  1. Celia Lopez OrtizCommunity Health Worker1548103336
  2. Alysia Paaluhi, RN, DNPCMaternal Newborn Registered Nurse1083228175
  3. Charles Rosenblatt, MDGastroenterology Physician1518968189
  4. John Schaer, MDGastroenterology Physician1780685206
  5. Monica Tovar IbarraCommunity Health Worker1023951043
  6. Ryan TruongPhysician Assistant1336835107

Verify Curtis Larson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical BoardCheck 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.

Gastroenterology Physician providers in Oregon

There are 225 gastroenterology physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other gastroenterology physician records in Oregon

  1. Peter Adesman, MDMedford, OR1952381394
  2. Kamran Aghaie, MDClackamas, OR1104056936
  3. Joseph Ahn, M.D.Portland, OR1497770416
  4. Jeffrey Albaugh, MDPortland, OR1184626087
  5. Deron Amador, M.D.Portland, OR1841653490
  6. Paul Anderson, M.D.Oregon City, OR1487870846
  7. Brian Applebaum, M.D.Oregon City, OR1710073200
  8. Manisha Apte, M.D.Portland, OR1851745129
  9. Tan Attila, M.D.Portland, OR1306978853
  10. Howard Baumann, M.D.Salem, OR1770526238

Common questions

What is Curtis Larson, MD's NPI number?

Curtis Larson, MD's National Provider Identifier (NPI) is 1659371540, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Curtis Larson, MD located?

The NPPES record lists a practice address at 232 SE 7TH Ave, Hillsboro, OR, 97123. Phone: (503) 640-1614. Providers update this record themselves, so call before visiting.

How can I verify Curtis Larson, MD's license?

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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.