1,918 NPI-registered providers practice in Waterloo, Iowa. Pick another city in the rail, or open the full search to filter by specialty and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| 1st Steps to Success | Community/Behavioral Health Agency | Waterloo, IA | 1225346893 |
| 2medaccess Transportation LLC | Non-emergency Medical Transport (VAN) | Waterloo, IA | 1427691773 |
| A New Image, Inc. |
| Durable Medical Equipment & Medical Supplies |
| Waterloo, IA |
| 1669470282 |
| A Step Ahead Therapy Center, Inc. | Specialist | Waterloo, IA | 1881656734 |
| Aaron Salandro | Hearing Instrument Specialist | Waterloo, IA | 1457987661 |
| Abbey Quinn | Addiction (Substance Use Disorder) Counselor | Waterloo, IA | 1083036115 |
| Abbie SchaaARNP | Nurse Practitioner | Waterloo, IA | 1386995447 |
| Abbie SchraderARNP | Nurse Practitioner | Waterloo, IA | 1073840617 |
| Abby DoeringARNP | Psychiatric/Mental Health Nurse Practitioner | Waterloo, IA | 1962025767 |
| Abby FreeseFNP-BC | Family Nurse Practitioner | Waterloo, IA | 1144993510 |
| Abby KolthoffARNP | Psychiatric/Mental Health Nurse Practitioner | Waterloo, IA | 1184056822 |
| Abcm Corporation | Skilled Nursing Facility | Waterloo, IA | 1174525505 |
| Abcm Corporation | Skilled Nursing Facility | Waterloo, IA | 1205908514 |
| Abcm Corporation | Assisted Living Facility | Waterloo, IA | 1982696126 |
| Abigail Winder | Behavior Technician | Waterloo, IA | 1053275248 |
| Ablm Northeast Profesional Association | General Practice Dentistry | Waterloo, IA | 1710054994 |
| Access Evaluation and Education Services, L.L.C. | Community/Behavioral Health Agency | Waterloo, IA | 1932633609 |
| Acton Optical, LLC | Optician | Waterloo, IA | 1730197799 |
| Adaline PetersonA.R.N.P. | Obstetrics & Gynecology Nurse Practitioner | Waterloo, IA | 1124005236 |
| Adam DodgeLMSW | Social Worker | Waterloo, IA | 1295597409 |
| Adam HoogestraatDC | Chiropractor | Waterloo, IA | 1326094368 |
| Adrian MillerFNP | Family Nurse Practitioner | Waterloo, IA | 1306516513 |
| Advanced Arm Dynamics of the | Prosthetic/Orthotic Supplier | Waterloo, IA | 1326285735 |
| Affinity Family Therapy | Mental Health Clinic/Center (Including Community Mental Health Center) | Waterloo, IA | 1306799861 |
| Ahsan MaqsoodMD | Interventional Cardiology Physician | Waterloo, IA | 1992899702 |
| Ajak MayenMD | Family Medicine Physician | Waterloo, IA | 1841974938 |
| Ajay RajagopalanMD | Family Medicine Physician | Waterloo, IA | 1942991641 |
| Ala'A Al ArabiD.D.S | General Practice Dentistry | Waterloo, IA | 1477969608 |
| Alan BrownM.D. | Anatomic Pathology Physician | Waterloo, IA | 1619947546 |
| Alayna RagainCNM | Advanced Practice Midwife | Waterloo, IA | 1336976000 |
| Albert JacksonMD | Anesthesiology Physician | Waterloo, IA | 1417168667 |
| Albert McfaddenPHARMD | Pharmacist | Waterloo, IA | 1144459710 |
| Albert RahlfCADC | Addiction (Substance Use Disorder) Counselor | Waterloo, IA | 1639591712 |
| Alec SteilsARNP | Nurse Practitioner | Waterloo, IA | 1578132940 |
| Alena EllerbroekMSN,FNP | Family Nurse Practitioner | Waterloo, IA | 1376858654 |
| Alex PeuserMT-BC | Music Therapist | Waterloo, IA | 1871261008 |
| Alex VitzthumDDS | Dentist | Waterloo, IA | 1013447515 |
| Alexa Ginther | Nurse Practitioner | Waterloo, IA | 1265169569 |
| Alexander CrumATC | Athletic Trainer | Waterloo, IA | 1538791967 |
| Alexander WawerMD | Family Medicine Physician | Waterloo, IA | 1417331646 |
| Alexandra HardenTLMHC | Mental Health Counselor | Waterloo, IA | 1255015640 |
| Alexandria Mcnamee LLC | Mental Health Clinic/Center (Including Community Mental Health Center) | Waterloo, IA | 1730860073 |
| Alexandria Urology P.C. | Urology Physician | Waterloo, IA | 1083898779 |
| Alexis AdamsLMSW | Clinical Social Worker | Waterloo, IA | 1528820255 |
| Alexis LachinoLISW | Mental Health Counselor | Waterloo, IA | 1194467803 |
| Alexis MillerCADC | Addiction (Substance Use Disorder) Counselor | Waterloo, IA | 1417689340 |
| Alisha EggersPHARMD | Pharmacist | Waterloo, IA | 1811226541 |
| Alison McfaddenARNP | Adult Health Nurse Practitioner | Waterloo, IA | 1073823639 |
| Allen Memorial Hospital | Community/Retail Pharmacy | Waterloo, IA | 1134127442 |
| Allen Memorial Hospital | Durable Medical Equipment & Medical Supplies | Waterloo, IA | 1871678318 |
| Allen Memorial Hospital Corp | Preventive Medicine/Occupational Environmental Medicine Physician | Waterloo, IA | 1740475839 |
| Allen Memorial Hospital Corporation | Home Health Agency | Waterloo, IA | 1104912203 |
| Allen Memorial Hospital Corporation | Durable Medical Equipment & Medical Supplies | Waterloo, IA | 1255657466 |
| Allen Memorial Hospital Corporation | General Acute Care Hospital | Waterloo, IA | 1336231091 |
| Allen Memorial Hospital Corporation | Emergency Medicine Physician | Waterloo, IA | 1346292521 |
| Allen Memorial Hospital Corporation | Skilled Nursing Facility | Waterloo, IA | 1508958265 |
| Allen Memorial Hospital Corporation | Home Health Agency | Waterloo, IA | 1588750699 |
| Allen Memorial Hospital Corporation | Home Health Agency | Waterloo, IA | 1609951276 |
| Allen Memorial Hospital Corporation | Clinic Pharmacy | Waterloo, IA | 1659461572 |
| Allen Memorial Hospital Corporation | Women's Health Nurse Practitioner | Waterloo, IA | 1891772927 |
| Allen Memorial Hospital Corporation | Rehabilitation Hospital | Waterloo, IA | 1942584784 |
| Allen Memorial Hospital Corporation | Public Health or Welfare Agency | Waterloo, IA | 1982739082 |
| Allen Memorial Hospital Corporation Lab | Clinical Medical Laboratory | Waterloo, IA | 1043816606 |
| Allison BohlmanMS, RD, LD | Registered Dietitian | Waterloo, IA | 1932739331 |
| Allison HancockPTA, ATC, LAT | Athletic Trainer | Waterloo, IA | 1598645574 |
| Allyson LandphairARNP | Nurse Practitioner | Waterloo, IA | 1902859804 |
| Alycia HemmenLMHC | Mental Health Counselor | Waterloo, IA | 1255734448 |
| Alyssa FruchtenichtLMSW | Clinical Social Worker | Waterloo, IA | 1639511710 |
| Alyssa GryckoPHARMD | Pharmacist | Waterloo, IA | 1487258737 |
| Alyssa HughesLMSW | Clinical Social Worker | Waterloo, IA | 1205763703 |
| Alyssa McdermottLMSW | Social Worker | Waterloo, IA | 1619545209 |
| Alyssa ProhaskiLMSW | Social Worker | Waterloo, IA | 1659525160 |
| Alyssa WrightLMSW | Social Worker | Waterloo, IA | 1336737246 |
| Amanda GidleyLISW | Clinical Social Worker | Waterloo, IA | 1760905905 |
| Amanda HussmanDC | Chiropractor | Waterloo, IA | 1922591452 |
| Amanda KnudsenARNP | Nurse Practitioner | Waterloo, IA | 1104614270 |
| Amanda Mccall | Addiction (Substance Use Disorder) Counselor | Waterloo, IA | 1811391840 |
| Amanda ScharaLMHC, CADC | Mental Health Counselor | Waterloo, IA | 1053678425 |
| Amanda SchroederCNM, WHNP-BC | Advanced Practice Midwife | Waterloo, IA | 1538744131 |
| Amanda VervaeckeA.R.N.P. | Nurse Practitioner | Waterloo, IA | 1023087665 |
| Amanda White | Licensed Practical Nurse | Waterloo, IA | 1225998982 |
| Amazing Grace Transportation LLC | Non-emergency Medical Transport (VAN) | Waterloo, IA | 1538048087 |
| Amber FrankPHARMD | Pharmacist | Waterloo, IA | 1720405061 |
| Amber HellerNP | Acute Care Nurse Practitioner | Waterloo, IA | 1316208663 |
| Amber HinesCRNA | Certified Registered Nurse Anesthetist | Waterloo, IA | 1629232855 |
| Amber PierceMT-BC | Music Therapist | Waterloo, IA | 1053117671 |
| Amel NuhanovicDC | Chiropractor | Waterloo, IA | 1194489922 |
| Amelia McconaghyD.O. | Family Medicine Physician | Waterloo, IA | 1588082556 |
| American Homepatient, Inc. | Oxygen Equipment & Supplies (DME) | Waterloo, IA | 1306818141 |
| Ami PatelM.D. | Infectious Disease Physician | Waterloo, IA | 1902100746 |
| Amicare Pharmacy Inc | Community/Retail Pharmacy | Waterloo, IA | 1134284565 |
| Amjed Katmeh | Family Medicine Physician | Waterloo, IA | 1891438156 |
| Ammara ShamshadM.D. | Family Medicine Physician | Waterloo, IA | 1730920570 |
| Amosson Chiropractic PC | Chiropractor | Waterloo, IA | 1447500129 |
| Amy BonebrakeLMSW, CADC, SAP | Social Worker | Waterloo, IA | 1316467061 |
| Amy BorkMS, RD, CD | Registered Dietitian | Waterloo, IA | 1083939185 |
| Amy BucknellPHARMD | Pharmacist | Waterloo, IA | 1033436993 |
| Amy HartmannOD | Optometrist | Waterloo, IA | 1508848151 |
| Amy KacherPHARMD | Pharmacist | Waterloo, IA | 1063241636 |
| Amy LaibMD | Family Medicine Physician | Waterloo, IA | 1093194607 |
Source: CMS NPPES Data Dissemination (June 2026).
