Internists in Clackamas, OR

  • Internal medicine
  • Clackamas, Oregon
Internists
77
Linked to a hospital or group
75
Hospitals with an internist
13
Medical groups with an internist
11
Practice at a hospital
70

There are 77 internists in Clackamas. Kaiser Permanente Northwest has the most, 66, and Kaiser Permanente Sunnyside Medical Center has the most affiliated internists, 65. 12% finished medical school 30 or more years ago.

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Clackamas internists, listed A to Z by last name

Each internist on the list has internal medicine as their primary specialty and a Clackamas practice address. The list shows the NPI, 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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Clackamas internists, A to Z
InternistHospitalsMedical groupsEmail and phone
Samer H. Abufadil, MDNPI 17504376531 hospital1 groupContacts
Usman Ahmad, DONPI 13262886971 hospital1 groupContacts
Keith Howard Bachman, MDNPI 15281771691 hospital1 groupContacts
Sarah Larsen Barr, MDNPI 17800022461 hospital1 groupContacts
Kaitlin Brooke, MDNPI 18214832722 hospitals1 groupContacts
Peter C. Carty, MDNPI 13260042501 hospital1 groupContacts
Frank Y. Chen, MDNPI 11444847671 hospital1 groupContacts
Mareli Coetzer, DONPI 17609871922 hospitals1 groupContacts
Alla M. Comardelle, MDNPI 15583970342 hospitals1 groupContacts
Kimberly S. Crihfield, MDNPI 1649224882-2 groupsContacts
Stephanie F. De Jesus, MDNPI 17008701931 hospital1 groupContacts
Minh-Thu Thuy Duong, DONPI 11941445845 hospitals7 groupsContacts
Elizabeth Susan Ehrlich, MDNPI 16090696812 hospitals1 groupContacts
Katreece Ellis, MDNPI 19425122491 hospital1 groupContacts
Andrew H. Felcher, MDNPI 17807800562 hospitals1 groupContacts
Stephen Paul Fortmann, MDNPI 13261048291 hospital-Contacts
Gregory P. Garcia, MDNPI 19220362193 hospitals1 groupContacts
Ella Miranda Gillespie, MDNPI 1750542288-4 groupsContacts
Catherine Julia Gisi, MDNPI 16992721952 hospitals2 groupsContacts
Zoe J. Gombart, MDNPI 18113375791 hospital1 groupContacts
Siobhan Heidi Gray, MDNPI 18615060571 hospital3 groupsContacts
Joshua Hawkin Hollabaugh, MDNPI 13568725351 hospital1 groupContacts
Gene George Hong, MDNPI 1417905506--Contacts
Marissa Lynn Huebner, MDNPI 14971984771 hospital1 groupContacts
Sonia Huntley, MDNPI 12453557001 hospital1 groupContacts
Kalpana Rejina Injety, DONPI 14676587731 hospital1 groupContacts
Timothy Dennis Jacobson, MDNPI 12856476693 hospitals1 groupContacts
Maryam Jamshidi, MDNPI 12957752941 hospital2 groupsContacts
Corinne M. Klykov, MDNPI 13565023971 hospital1 groupContacts
Alexander Michael Kositch, MDNPI 10230215161 hospital1 groupContacts
Ha Ngoc Lam, MDNPI 15384529741 hospital1 groupContacts
Allen LavinaNPI 13862032634 hospitals2 groupsContacts
Derrick O. Lee, MDNPI 16897680611 hospital1 groupContacts
Rebecca Haraf Lee, MDNPI 18518954452 hospitals1 groupContacts
Daniel Forrest Lotspeich, MDNPI 10030383321 hospital1 groupContacts
Cora M. Ludwig, MDNPI 18818560521 hospital-Contacts
Jason Patrick Mannion, MDNPI 14678476811 hospital1 groupContacts
Kyle Mitcham Masters, MDNPI 11940408401 hospital1 groupContacts
Cecilia Smith McKay, MDNPI 1386622587-1 groupContacts
Lori Lee McMullan, MDNPI 10139381413 hospitals1 groupContacts
Natalie Ann Melrose, MD, MSNPI 14272824092 hospitals1 groupContacts
Chieko N. Misaki, MDNPI 12250931721 hospital1 groupContacts
Richard M. Mishler, MDNPI 16098321611 hospital1 groupContacts
Karen Smith MularskiNPI 11948024621 hospital1 groupContacts
Hitomi Nakai, MDNPI 12050312832 hospitals1 groupContacts
Ulaganathan Natarajan, MD, MPHNPI 14074370072 hospitals2 groupsContacts
Navin N. Nayak, MDNPI 10634671815 hospitals2 groupsContacts
Bella A. Nelson, MDNPI 18010877132 hospitals2 groupsContacts
Mario Adan PadillaNPI 10234588251 hospital1 groupContacts
Jessica Blake Critchfield Patel, MDNPI 13361958581 hospital1 groupContacts

Showing 1 to 50 of 75 Clackamas internists

The list shows the 75 internists 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 Clackamas internists by the EHR they use

Dmand AI has the EHR for 76 of 77 Clackamas internists, 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.

Kaiser Permanente Northwest has the most internists in Clackamas, with 66

Providence Medical Group, Oregon is second with 6, and Providence Portland Medical Center third with 3. Counts are internists with an Oregon address linked to each group.

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

Kaiser Permanente Sunnyside Medical Center has the most affiliated internists in Clackamas, with 65

Kaiser Permanente Westside Medical Center is second with 12, and Providence Portland Medical Center third with 4. Clackamas internists are affiliated with 13 hospitals in all.

Top 10 of 13 Clackamas hospitals with an affiliated internist

See every hospital and group for each Clackamas internist

Each public profile names one place an internist 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

Most Clackamas internists practice at a hospital: 70 of the 74 with a mapped site

26 also practice at a medical group site, and 3 at behavioral health centers. An internist can practice at several kinds of site, so the shares overlap.

Clackamas internists by site of care

  1. Hospitals70
  2. Medical group practices26
  3. Behavioral health centers3
  4. Home health agencies3

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

12% of Clackamas internists finished medical school 30 or more years ago

9 of the 73 Clackamas internists with a graduation year on file. 9 graduated in the last 10 years.

Physicians by years since medical school

  1. Under 10 years ago9
  2. 10 to 19 years ago30
  3. 20 to 29 years ago25
  4. 30 to 39 years ago8
  5. 40 or more years ago1

Source: Dmand AI Professional Profile Data

Every Clackamas internist 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 Clackamas internist 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

Internists are HCPs whose primary specialty is internal medicine (taxonomy code 207R00000X), with an active NPI and a Clackamas practice address.

FAQ

Frequently asked questions about internists in Clackamas

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

How many internists are in Clackamas?

77 internists have an active NPI, a Clackamas practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 75 of them are linked to a hospital or medical group.

Which Clackamas medical groups have the most internists?

Kaiser Permanente Northwest, with 66, followed by Providence Medical Group, Oregon with 6 and Providence Portland Medical Center with 3.

Which Clackamas hospitals have the most internists?

Kaiser Permanente Sunnyside Medical Center, with 65 affiliated internists, followed by Kaiser Permanente Westside Medical Center with 12 and Providence Portland Medical Center with 4.

What share of Clackamas internists practice at a hospital?

70 of the 74 Clackamas internists with a mapped site of care, or 95%, have a current hospital affiliation.

What is the taxonomy code for internal medicine?

207R00000X is the NPPES taxonomy code for internal medicine. Sub-specialties with their own code are counted on their own lists.

Dmand AI

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Search 77 Clackamas internists by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.

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