NPI Portal NPI Lookup & Verification

Internal Medicine in Walla Walla, WA

67 active Internal Medicine providers practice in Walla Walla, Washington according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Internal Medicine providers in Walla Walla, WA
NPI Name Type Specialty Location
1801392279 Allison Bauer Individual Internal Medicine Physician Walla Walla, WA
1073963658 Alonso Pezo Salazar Individual Infectious Disease Physician Walla Walla, WA
1417045915 Bayu Teklu Individual Internal Medicine Physician Walla Walla, WA
1508053174 Benjamin Leach Individual Internal Medicine Physician Walla Walla, WA
1497732127 Benjamin Rodriguez Individual Internal Medicine Physician Walla Walla, WA
1457375206 Bruce Barga Individual Internal Medicine Physician Walla Walla, WA
1386888790 Carl Bauer Individual Gastroenterology Physician Walla Walla, WA
1407823701 Charles Hames Individual Gastroenterology Physician Walla Walla, WA
1235472325 Christopher Glendinning Individual Sleep Medicine (Internal Medicine) Physician Walla Walla, WA
1124075841 Cynthia Rasch Individual Internal Medicine Physician Walla Walla, WA
1881668010 Dan Grinstead Individual Internal Medicine Physician Walla Walla, WA
1407893845 David P Woolever MD Organization Internal Medicine Physician Walla Walla, WA
1023108297 Delwyn Baker Individual Internal Medicine Physician Walla Walla, WA
1326078239 Donald Rowberg Individual Internal Medicine Physician Walla Walla, WA
1275507485 Eric Ball Individual Internal Medicine Physician Walla Walla, WA
1235103466 Eric Jauhiainen Individual Internal Medicine Physician Walla Walla, WA
1346213238 Eric Schwartzkopf Individual Internal Medicine Physician Walla Walla, WA
1023036019 Galen Mcquarrie Individual Internal Medicine Physician Walla Walla, WA
1578127502 Haris Zaheer Individual Internal Medicine Physician Walla Walla, WA
1053787747 Im Locum LLC Organization Internal Medicine Physician Walla Walla, WA
1568476752 James Cunningham Individual Medical Oncology Physician Walla Walla, WA
1215043609 James Harri Individual Gastroenterology Physician Walla Walla, WA
1174675524 James Mason Individual Internal Medicine Physician Walla Walla, WA
1417165382 Jennifer Leach Individual Nephrology Physician Walla Walla, WA
1467643619 Joanne Lynn Perez Individual Internal Medicine Physician Walla Walla, WA
1750818019 John Heffernan Individual Internal Medicine Physician Walla Walla, WA
1447264841 Jon Gardner Individual Internal Medicine Physician Walla Walla, WA
1972517381 Joseph Meyer Individual Internal Medicine Physician Walla Walla, WA
1972532745 Karen Geheb Individual Internal Medicine Physician Walla Walla, WA
1487077566 Karl Tjerandsen Individual Internal Medicine Physician Walla Walla, WA
1174513873 Kevin Andrews Individual Internal Medicine Physician Walla Walla, WA
1366882326 Kim Sahib Individual Pulmonary Disease Physician Walla Walla, WA
1811961832 Lawrence Zawatzky Individual Gastroenterology Physician Walla Walla, WA
1396893699 Leonard Philo Individual Gastroenterology Physician Walla Walla, WA
1083628499 Lori Brown Individual Internal Medicine Physician Walla Walla, WA
1154703510 Lynn Kemper Individual Internal Medicine Physician Walla Walla, WA
1265446660 Mathias Stroemel Individual Nephrology Physician Walla Walla, WA
1578577987 Michael Bernstein Individual Pulmonary Disease Physician Walla Walla, WA
1215038476 Michael Parnicky Individual Internal Medicine Physician Walla Walla, WA
1881668655 Michael Wilcox Individual Internal Medicine Physician Walla Walla, WA
1659756443 Mohammed Omar Ahmed Individual Internal Medicine Physician Walla Walla, WA
1922337039 Niralee Vaishnav Individual Endocrinology, Diabetes & Metabolism Physician Walla Walla, WA
1932123601 Onder Orgul Individual Nephrology Physician Walla Walla, WA
1689648594 Patricia Mcilvaine Individual Internal Medicine Physician Walla Walla, WA
1609163294 Patrick Laing Individual Gastroenterology Physician Walla Walla, WA
1538240304 Paul Parker Individual Internal Medicine Physician Walla Walla, WA
1154307742 Philip Hooper Individual Internal Medicine Physician Walla Walla, WA
1326282963 Providence Health & Services - Washington Organization Gastroenterology Physician Walla Walla, WA
1235373879 Providence Health & Services - Washington Organization Nephrology Physician Walla Walla, WA
1942214333 Richard Simon Individual Sleep Medicine (Internal Medicine) Physician Walla Walla, WA

Frequently asked questions

How many Internal Medicine providers are in Walla Walla, WA?
The latest NPPES snapshot lists 67 active Internal Medicine providers with a practice address in Walla Walla, Washington.
How do I check a Internal Medicine provider's NPI in Walla Walla?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.

Source: CMS NPPES (public data). Snapshot 2026-07-10.