Colorectal surgeons in Oregon

  • Colon and rectal surgery
  • Oregon
Colorectal surgeons
32
Linked to a hospital or group
30
Hospitals with a colorectal surgeon
16
Medical groups with a colorectal surgeon
15
Cities
10

There are 32 colorectal surgeons in Oregon. The Oregon Clinic has the most, 8, and Providence Portland Medical Center has the most affiliated colorectal surgeons, 9. Portland is home to 21, and 28% finished medical school 30 or more years ago.

Find work emails and mobile numbers for all 32 Oregon colorectal surgeons

Validated work emails and mobile numbers for Oregon colorectal surgeons, found through healthcare waterfall enrichment, with a free Dmand AI account.

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Oregon colorectal surgeons, listed A to Z by last name

Each colorectal surgeon on the list has colon and rectal surgery as their primary specialty and an Oregon practice address. The list shows the NPI and city, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.

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Sort and filter all 32 Oregon colorectal surgeons by city, hospital, medical group, the EHR they use and Medicare volume in Dmand AI.

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Oregon colorectal surgeons, A to Z
Colorectal surgeonHospitalsMedical groupsEmail and phone
Rehan Saeed Ahmad, MDPortland · NPI 17504579903 hospitals1 groupContacts
Oliver Robert Biggers, MDPortland · NPI 1437265907-2 groupsContacts
Scott M. Browning, MDPortland · NPI 18413629282 hospitals1 groupContacts
Khayree Butler, MDPortland · NPI 16494304302 hospitals2 groupsContacts
Megan M. Cavanaugh, MDHillsboro · NPI 1962578104-1 groupContacts
Joy Candace Chen, MDGresham · NPI 15182231222 hospitals1 groupContacts
Sungeyun David Cho, MDPortland · NPI 1386843894-1 groupContacts
Michael Gregory Doorly, MD, MSHillsboro · NPI 13363996821 hospital2 groupsContacts
Sandy H. Fang, MDPortland · NPI 17505909492 hospitals2 groupsContacts
Joseph H. Frankhouse, MDPortland · NPI 14876831814 hospitals2 groupsContacts
Leonardo Elias Garcia, MDPortland · NPI 17903463933 hospitals1 groupContacts
Olga R. Garcia, DOAstoria · NPI 13567213442 hospitals5 groupsContacts
Amanda Verienna Hayman, MD, MPHPortland · NPI 17506039571 hospital1 groupContacts
Daniel Owen Herzig, MDPortland · NPI 18412053582 hospitals3 groupsContacts
Richard Uwaka Kalu, MD, MPHPortland · NPI 12859900363 hospitals1 groupContacts
Douglas A. Khoury, MDTillamook · NPI 1457321754-1 groupContacts
Kim Champion Lu, MDPortland · NPI 18715007022 hospitals1 groupContacts
Michael James Munly, MDPortland · NPI 17404238472 hospitals2 groupsContacts
Phuong Hoang Nguyen, MDBend · NPI 12857829871 hospital2 groupsContacts
David Patrick O'Brien IV, MDPortland · NPI 16694403501 hospital1 groupContacts
Maile E. Parker, MDEugene · NPI 13668804863 hospitals2 groupsContacts
David Paul Parsons, MDHillsboro · NPI 15584761011 hospital1 groupContacts
Rodrigo Pedraza Rosales, MDPortland · NPI 16597989321 hospital1 groupContacts
Lisa S. Poritz, MDPortland · NPI 1427014505-2 groupsContacts
Harry L. Reynolds Jr., MDBurns · NPI 15482802411 hospital2 groupsContacts
Alizah Rabin Rotramel, MDPortland · NPI 10930300743 hospitals2 groupsContacts
Vassiliki L. Tsikitis, MDPortland · NPI 19525030621 hospital1 groupContacts
Duc Minh Vo, MDSpringfield · NPI 17705640152 hospitals1 groupContacts
Mark Huntington Whiteford, MDPortland · NPI 17109708922 hospitals2 groupsContacts
Carey J. WickhamPortland · NPI 17508200073 hospitals2 groupsContacts

Showing 1 to 10 of 30 Oregon colorectal surgeons

The list shows the 30 colorectal surgeons with a public profile. The other 2 are counted in the total and searchable with a free account.

Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data

For health IT teams

Find Oregon colorectal surgeons by the EHR they use

Dmand AI has the EHR for 31 of 32 Oregon colorectal surgeons, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.

The Oregon Clinic has the most colorectal surgeons in Oregon, with 8

Legacy Medical Group-Northwest is second with 4, and Oregon Health & Science University (OHSU) third with 4. Counts are colorectal surgeons with an Oregon address linked to each group.

Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data

Providence Portland Medical Center has the most affiliated colorectal surgeons in Oregon, with 9

OHSU Hospital in Portland is second with 6, and Legacy Good Samaritan Medical Center third with 6. Oregon colorectal surgeons are affiliated with 16 hospitals in all.

Top 10 of 16 Oregon hospitals with an affiliated colorectal surgeonAll 63 Oregon hospitals

See every hospital and group for each Oregon colorectal surgeon

Each public profile names one place a colorectal surgeon practices. A free account shows all of them, with the employer, the EHR and validated contacts.

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Source: Dmand AI Affiliation Data

Portland has the most colorectal surgeons in Oregon, with 21

21colorectal surgeons in Portland
3colorectal surgeons in Hillsboro

Colorectal surgeons practice in 10 Oregon cities. Every city with 10 or more has its own page.

Source: NPPES NPI Registry (CMS)

Most Oregon colorectal surgeons practice at a hospital: 25 of the 28 with a mapped site

16 also practice at a medical group site, and 4 at clinical labs. A colorectal surgeon can practice at several kinds of site, so the shares overlap.

Oregon colorectal surgeons by site of care

  1. Hospitals25
  2. Medical group practices16
  3. Clinical labs4
  4. Ambulatory surgery centers3
  5. FQHCs1

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

28% of Oregon colorectal surgeons finished medical school 30 or more years ago

8 of the 29 Oregon colorectal surgeons with a graduation year on file. 0 graduated in the last 10 years, fewer than graduated 40 or more years ago.

Physicians by years since medical school

  1. Under 10 years ago0
  2. 10 to 19 years ago9
  3. 20 to 29 years ago12
  4. 30 to 39 years ago7
  5. 40 or more years ago1

Source: Dmand AI Professional Profile Data

Every Oregon colorectal surgeon profile shows current hospitals and groups, Medicare activity and NPI details

  • Primary practiceThe main place they practice, with its type and cityOn every profile
  • Every site of careEach hospital, clinic and group where they practice nowWith a free account
  • EmployerThe organization they work for, when one is on fileWith a free account
  • Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
  • Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
  • Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
  • Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
  • Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
  • NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
  • Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
  • EHR in useThe EHR at each site where they practiceWith a free account
  • Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account

Free account: 30 days free, self-serve, no credit card.

Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data

Sources for the Oregon colorectal surgeon directory

Sources for the data on this page
Data on this pageSource
HCPs, types and specialtiesNPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groupsDmand AI Affiliation Data
Medical school graduation yearDmand AI Professional Profile Data

Data last refreshed October 2026Report an inaccuracyRemove my information

Colorectal surgeons are HCPs whose primary specialty is colon and rectal surgery (taxonomy code 208C00000X), with an active NPI and an Oregon practice address.

FAQ

Frequently asked questions about colorectal surgeons in Oregon

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many colorectal surgeons are in Oregon?

32 colorectal surgeons have an active NPI, an Oregon practice address and colon and rectal surgery (taxonomy code 208C00000X) as their primary specialty. 30 of them are linked to a hospital or medical group.

Which Oregon medical groups have the most colorectal surgeons?

The Oregon Clinic, with 8, followed by Legacy Medical Group-Northwest with 4 and Oregon Health & Science University (OHSU) with 4.

Which Oregon hospitals have the most colorectal surgeons?

Providence Portland Medical Center, with 9 affiliated colorectal surgeons, followed by OHSU Hospital with 6 and Legacy Good Samaritan Medical Center with 6.

How many Oregon colorectal surgeons finished medical school 30 or more years ago?

8 of the 29 with a graduation year on file, or 28%. 0 graduated in the last 10 years.

What is the taxonomy code for colon and rectal surgery?

208C00000X is the NPPES taxonomy code for colon and rectal surgery. Sub-specialties with their own code are counted on their own lists.

How can I contact colorectal surgeons in Oregon?

Dmand AI finds validated work emails, mobile numbers and practice phone numbers for colorectal surgeons in Oregon through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.

Dmand AI

Find the right contacts among Oregon colorectal surgeons

Search 32 Oregon colorectal surgeons by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.

  • 30 days free
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