Doctors and health care providers in Clackamas, OR
2,098 individual NPPES records list a practice address in Clackamas, 12th of 171 Oregon cities. The largest group is pharmacist: 125, 6% of the city's records, against 3% across Oregon. Page 28 of 42.
The 8 largest groups in Clackamas
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Clackamas in Oregon
- Rank in Oregon12th of 171 cities by records
- Share of the state1.7% of Oregon's records
- Specialties present25 or more taxonomy codes
- Top three groups15.3% of all records
- Pharmacist rank5th of the 10 Oregon cities with the most
Compared with Oregon as a whole, Clackamas has 28.3× the state's share of registered respiratory therapist records and 0.20× its share of mental health counselor records.
Providers in Clackamas, alphabetically
- Shirley Nord, MSWClinical Social Worker1124276712
- Angeline Noriega, CNM, ARNPAdvanced Practice Midwife1659563617
- Kyle Norman, M.D.Emergency Medicine Physician1407295322
- Karie NosackPharmacist1063217388
- Nancy Novig, CRNA, MSCertified Registered Nurse Anesthetist1013029412
- James Novotny, FNPFamily Nurse Practitioner1477885218
- Nicholas Nunez, M.D.Emergency Medicine Physician1154470672
- Wayne Nussbaum, CRNACertified Registered Nurse Anesthetist1730299397
- Zenna Nwokoma, APRN-NPFamily Nurse Practitioner1518822618
- Douglas O'Dell, M.A.Addiction (Substance Use Disorder) Counselor1720194392
- Erin O'Halloran, LMFTMarriage & Family Therapist1720445430
- James O'Hern, M.S.W.Clinical Social Worker1821253139
- Sara O'Leary, RDRegistered Dietitian1952845547
- Leslie O'Meara, M.D.Nephrology Physician1144262932
- Charles O'Neal, MDEmergency Medicine Physician1811576093
- Christopher Obuchowski, MDDiagnostic Radiology Physician1356354609
- Sheba Ochs, PTDADental Assistant1275641755
- Valeri Odom, MA, CCC-SLPSpeech-Language Pathologist1578318895
- Elizabeth Odonnell, PT, DPTPhysical Therapist1154731420
- Yohko OgawaAdvanced Practice Midwife1417694209
- Danna Ogden, DOAdult Medicine Physician1700010089
- Sanja Ognjenovic, MDEmergency Medicine Physician1952921702
- Albert Oh, MDInternal Medicine Physician1396718912
- Daniel Oh, MDPsychiatry Physician1740985910
- David Ojeda Sersun, CPOProsthetist1720942378
- Akintomide OladapoAddiction (Substance Use Disorder) Counselor1548842842
- Milette Oliveros, M.D.Neonatal-Perinatal Medicine Physician1548437957
- Jeffrey Olson, M.D.Gastroenterology Physician1730380791
- Kris Olson, LCSWClinical Social Worker1588832893
- Richard Olson, M.D.Geriatric Medicine (Internal Medicine) Physician1891891024
- Jodie Oltmans, MDPediatrics Physician1306946017
- Linda Onheiber, PA-CMedical Physician Assistant1346340106
- Hirohisa Ono, M.D.Specialist1992806830
- Joshua Oppenheim, PA-CPhysician Assistant1245725373
- Joshua Opperman, DMDGeneral Practice Dentistry1205938016
- Elise Ortman, CADC-RCounselor1841034709
- David Orzuna PerezPharmacist1942970561
- Andrea Osterlund, DOInternal Medicine Physician1447567292
- Krzysztof Ostrowski, MDAnesthesiology Physician1225092505
- Laura Oswald, LPCProfessional Counselor1083034904
- Jeremy Ota, M.D.Emergency Medicine Physician1932201704
- Emily OttBehavior Technician1942179452
- Melissa Ott, DOSports Medicine (Family Medicine) Physician1952575391
- Jesssica Owens, LMTMassage Therapist1679838619
- Margaret Owens, CRNACertified Registered Nurse Anesthetist1689080343
- Frank Pacosa, P.A.Physician Assistant1821183229
- Meghan PadgettBehavior Technician1487599049
- Mario PadillaInternal Medicine Physician1023458825
- Nicholas Pagliari, CRNACertified Registered Nurse Anesthetist1033627260
- Edward PakEmergency Medicine Physician1194353920
How to read this directory
Clackamas, Oregon appears in the CMS National Plan and Provider Enumeration System with 2,098 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Clackamas - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Clackamas practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.
The provider mix in Clackamas is weighted toward Pharmacist (125 clinicians, followed by Internal Medicine Physician with 101 and Emergency Medicine Physician with 94). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to Oregon's population, Clackamas reports roughly 49.6 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.
Of Oregon's most common specialties, Counselor is the most prominent one with no provider currently listing a Clackamas practice address, a coverage gap Clackamas patients typically fill by traveling to a larger nearby hub.
For Clackamas patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.
For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.
Common questions
How many doctors are in Clackamas, OR?
There are 2,098 registered healthcare providers in Clackamas, OR, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Clackamas?
The most common specialties in Clackamas are Pharmacist, Internal Medicine Physician, Emergency Medicine Physician, Certified Registered Nurse Anesthetist, Family Medicine Physician. Pharmacist has the most providers with 125.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.
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.