3,081 NPI-registered providers practice in Fountain Valley, California. Pick another city in the rail, or open the full search to filter by specialty and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| 365 Acupuncture Inc. | Acupuncturist | Fountain Valley, CA | 1366229882 |
| 95western Youth Services | Case Management Agency | Fountain Valley, CA | 1982809117 |
| A&k Orthodontics, Inc. |
| Orthodontics and Dentofacial Orthopedics Dentistry |
| Fountain Valley, CA |
| 1932688603 |
| A. Ko, M.D., Inc. | Pediatrics Physician | Fountain Valley, CA | 1942501713 |
| A.s. Sawhney, M.D., Inc. | Nephrology Physician | Fountain Valley, CA | 1437287042 |
| Aadesh SachdevaM.D. | Internal Medicine Physician | Fountain Valley, CA | 1427277136 |
| Aaron ChiOD | Optometrist | Fountain Valley, CA | 1588155360 |
| Aaron KropiewnickiPTA | Physical Therapy Assistant | Fountain Valley, CA | 1184482242 |
| Abbas SafieddineD.C. | Chiropractor | Fountain Valley, CA | 1598297210 |
| Abc Health Center Inc | Chiropractor | Fountain Valley, CA | 1922161876 |
| Abdel BaltaD.C. | Chiropractor | Fountain Valley, CA | 1073657672 |
| Abdulkareem SharafMD | Cardiovascular Disease Physician | Fountain Valley, CA | 1720344880 |
| Abdullah IbishMD | Neurology Physician | Fountain Valley, CA | 1154783397 |
| Abhishek BhardwajM.D. | Pulmonary Disease Physician | Fountain Valley, CA | 1578844783 |
| Abhishek Bhardwaj, MD Corporation | Pulmonary Disease Physician | Fountain Valley, CA | 1548134257 |
| Acacia Hh&p of Southern California, LLC | Home Health Agency | Fountain Valley, CA | 1285096198 |
| Acacia Hospice of Southern California, LLC | Community Based Hospice Care Agency | Fountain Valley, CA | 1629495742 |
| Acceptance Detox LLC | Addiction Psychiatry Physician | Fountain Valley, CA | 1780196733 |
| Acessmd Medical Group, Inc | Family Medicine Physician | Fountain Valley, CA | 1932403441 |
| Active Care Pharmacy Inc | Long Term Care Pharmacy | Fountain Valley, CA | 1477061745 |
| Adam SolomonMD | Internal Medicine Physician | Fountain Valley, CA | 1871576041 |
| Adam WongM.D. | Anesthesiology Physician | Fountain Valley, CA | 1457419046 |
| Adam Wong MD Inc | Anesthesiology Physician | Fountain Valley, CA | 1437397122 |
| Adela Wright | Marriage & Family Therapist | Fountain Valley, CA | 1982907861 |
| Adriana NiizawaLMFT | Marriage & Family Therapist | Fountain Valley, CA | 1346549375 |
| Advanced Healthcare Associates, Inc | Family Medicine Physician | Fountain Valley, CA | 1396055414 |
| Advanced Investment Group, Inc. | Durable Medical Equipment & Medical Supplies | Fountain Valley, CA | 1528518537 |
| Advanced Medical Billing Servcies | Portable X-ray and/or Other Portable Diagnostic Imaging Supplier | Fountain Valley, CA | 1447562954 |
| Advantage Medical Center, a Professional Corp | Multi-Specialty Clinic/Center | Fountain Valley, CA | 1326149998 |
| Afdal AllamM.D. | Family Medicine Physician | Fountain Valley, CA | 1053486605 |
| Afsaneh Haftbaradaran MohammadiM.D. | Nephrology Physician | Fountain Valley, CA | 1902040009 |
| Afshan AliM.D. | Pediatric Hematology & Oncology Physician | Fountain Valley, CA | 1215953278 |
| Afzaal Iqbal | Pain Medicine (Anesthesiology) Physician | Fountain Valley, CA | 1861782674 |
| Ahad KhanNP-C | Family Nurse Practitioner | Fountain Valley, CA | 1477020246 |
| Ahmed Al-SadekM.D. | Internal Medicine Physician | Fountain Valley, CA | 1528097730 |
| Ahmed Alsadek, MD Inc. | Internal Medicine Physician | Fountain Valley, CA | 1467883272 |
| Ahmed AssifMD | Anesthesiology Physician | Fountain Valley, CA | 1679507909 |
| Ai Huang | Orthodontics and Dentofacial Orthopedics Dentistry | Fountain Valley, CA | 1457187619 |
| Ai Huang, D.M.D., Inc. | Dental Clinic/Center | Fountain Valley, CA | 1033931662 |
| Ailicec Figueroa Aragon | Mental Health Counselor | Fountain Valley, CA | 1235694761 |
| Ajay Bhatnagar MD PC | Radiation Oncology Physician | Fountain Valley, CA | 1730869702 |
| Ajit SawhneyM.D. | Nephrology Physician | Fountain Valley, CA | 1114014438 |
| Ajmel PuthawalaM.D. | Radiation Oncology Physician | Fountain Valley, CA | 1245249325 |
| Akash AnandMS, CGC | Genetic Counselor (M.S.) | Fountain Valley, CA | 1851270649 |
| Alan CantillepMD | Nephrology Physician | Fountain Valley, CA | 1639517808 |
| Alan DangM.D. | Internal Medicine Physician | Fountain Valley, CA | 1043217359 |
| Alan Dang MD | Obstetrics & Gynecology Physician | Fountain Valley, CA | 1952847238 |
| Alan DrorMD | Anesthesiology Physician | Fountain Valley, CA | 1720036114 |
| Alan HoM.D. | Pain Medicine (Anesthesiology) Physician | Fountain Valley, CA | 1154565612 |
| Alan Ho, MD, PC | Pain Medicine (Anesthesiology) Physician | Fountain Valley, CA | 1881522902 |
| Alan T. Tran M.D., Inc | Specialist | Fountain Valley, CA | 1740524958 |
| Alan Tran MD Inc | Plastic Surgery Physician | Fountain Valley, CA | 1659483790 |
| Albert Dong | Pharmacist | Fountain Valley, CA | 1831753979 |
| Albert LeeD.O. | Anesthesiology Physician | Fountain Valley, CA | 1649242017 |
| Albert S Lee DO Inc | Anesthesiology Physician | Fountain Valley, CA | 1245263417 |
| Alberto Cachero | Physical Therapist | Fountain Valley, CA | 1245301092 |
| Albertsons LLC | Community/Retail Pharmacy | Fountain Valley, CA | 1871549378 |
| Alejandro CoronaCPO | Orthotist | Fountain Valley, CA | 1295500767 |
| Alexander HaueisenMD | Ophthalmology Physician | Fountain Valley, CA | 1073193611 |
| Alexander JohnsonPPS SCHOOL COUNSELOR | School Counselor | Fountain Valley, CA | 1558228585 |
| Alexander NguyenDMD | General Practice Dentistry | Fountain Valley, CA | 1073037891 |
| Alexander Truong | Psychiatry Physician | Fountain Valley, CA | 1457918559 |
| Alexandra Clark | Social Worker | Fountain Valley, CA | 1386155182 |
| Alexandra PittmanM.A., BCBA | Behavior Analyst | Fountain Valley, CA | 1760870174 |
| Alexandria Miller | Nurse Practitioner | Fountain Valley, CA | 1326721648 |
| Alexis MelendezMED | Behavior Analyst | Fountain Valley, CA | 1114485414 |
| Alexis WorthNP | Family Nurse Practitioner | Fountain Valley, CA | 1679994834 |
| Algos Inc., a Medical Corporation | Pain Medicine Physician | Fountain Valley, CA | 1477148047 |
| Ali HabibD.O | Internal Medicine Physician | Fountain Valley, CA | 1821471442 |
| Alicia BlackwoodLMFT | Marriage & Family Therapist | Fountain Valley, CA | 1659896942 |
| Alicia CarrollSLP | Speech-Language Pathologist | Fountain Valley, CA | 1104207679 |
| Alicia OldhamOT | Pediatric Occupational Therapist | Fountain Valley, CA | 1598941643 |
| Alireza FathiMD | Pediatric Critical Care Medicine Physician | Fountain Valley, CA | 1992807523 |
| Alison NoritakeO.D. | Optometrist | Fountain Valley, CA | 1508219320 |
| Allan Herem | Marriage & Family Therapist | Fountain Valley, CA | 1851403547 |
| Alliance Hospice & Palliative Care, Inc. | Community Based Hospice Care Agency | Fountain Valley, CA | 1992154074 |
| Alliance Rehab Inc | Physical Therapy Clinic/Center | Fountain Valley, CA | 1851636625 |
| Allied Healthcare | In Home Supportive Care Agency | Fountain Valley, CA | 1912362963 |
| Allied Hospice LLC | Community Based Hospice Care Agency | Fountain Valley, CA | 1437498938 |
| Alpha Hospitalist Group Inc | Hospitalist Physician | Fountain Valley, CA | 1982086914 |
| Alpha Medical Supply | Durable Medical Equipment & Medical Supplies | Fountain Valley, CA | 1467617555 |
| Alpha Medical Supply & Equipment Inc | Durable Medical Equipment & Medical Supplies | Fountain Valley, CA | 1659515419 |
| Althea AbaquetaBCBA | Behavior Analyst | Fountain Valley, CA | 1619272853 |
| Alton Foran | Internal Medicine Physician | Fountain Valley, CA | 1619968799 |
| Alvin MerillesFNP | Family Nurse Practitioner | Fountain Valley, CA | 1629421458 |
| Alyson O'ConnorDPT | Physical Therapist | Fountain Valley, CA | 1124492061 |
| Alyssa NguyenPHARM.D. | Pharmacist | Fountain Valley, CA | 1295221604 |
| Alyxis MahPA-C | Physician Assistant | Fountain Valley, CA | 1861016685 |
| Amal ElaliPA-C | Physician Assistant | Fountain Valley, CA | 1023788601 |
| Amanda DonohueD.O. | Cardiovascular Disease Physician | Fountain Valley, CA | 1750587143 |
| Amanda Guevara | Physician Assistant | Fountain Valley, CA | 1174357255 |
| Amanda HolmesFNP-BC | Family Nurse Practitioner | Fountain Valley, CA | 1700324423 |
| Amanda LeonBCABA | Behavior Analyst | Fountain Valley, CA | 1841557451 |
| Amber Drew | Speech-Language Assistant | Fountain Valley, CA | 1548021421 |
| Amil Kadic | Pulmonary Diagnostics Certified Respiratory Therapist | Fountain Valley, CA | 1528821931 |
| Amol RaoM.D. | Hematology & Oncology Physician | Fountain Valley, CA | 1689871154 |
| Amr S. Morsy, M.D., Inc. | Anesthesiology Physician | Fountain Valley, CA | 1598123879 |
| Amy AhnOTR/L | Occupational Therapist | Fountain Valley, CA | 1003317926 |
| Amy SweiL.AC.,D.N.B.A.O. | Acupuncturist | Fountain Valley, CA | 1306820931 |
| An DinhPHARM D | Pharmacist | Fountain Valley, CA | 1245070911 |
Source: CMS NPPES Data Dissemination (June 2026).
