Philip Fagan, M.D
Quick Facts
NPI Validation Status: Verified
Provider Overview
PHILIP FAGAN, M.D is a Internal Medicine provider based in Tustin, CA who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.
Provider Details
Practice Location
Specialties & Licenses
Mailing Address
How to Use This NPI
For Insurance Billing
Use NPI 1255335154 in Box 33 of the CMS-1500 claim form. This number is required by all major insurance carriers to identify the billing provider and process electronic medical claims.
For Credentialing
Reference NPI 1255335154for provider credential verification. Hospital systems, state licensing boards, and CAQH directories query this number to verify the provider's active clinical status.
For Patients
Share NPI 1255335154 with your insurance company. If you need to verify out-of-network benefits or file a reimbursement claim, your insurance provider will require this number to process it.
About Internal Medicine
Internal Medicine physicians (internists) specialize in the prevention, diagnosis, and nonsurgical treatment of adult illnesses, managing complex chronic conditions and multi-system diseases.
Similar Providers in Tustin
Mark Schafer, MD
📍 Tustin, CA 92780-7242
Joel Neutel, MD
📍 Tustin, CA 92780-7045
Jacqueline Do, M.D
📍 Tustin, CA 92780-3526
Bernard Bennett, MD
📍 Tustin, CA 92780-2939
Daniel Eichinger, DO
📍 Tustin, CA 92780-3526
Tustin Irvine Internal Medicine Group Inc.
📍 Tustin, CA 92780-3030
Other Healthcare Providers in Tustin
Accupath Diagnostic Laboratories, Inc
Specialty not listedBradford Lockhart, DDS
DentistryChin-wei Huang, MD
Specialty not listedJoseph Swickard, M.D
Orthopedic SurgeryHarris Histology Services
Specialty not listedCharles Oh, M.D
Specialty not listedPeople Also Ask
What is Philip Fagan's NPI number?
Is Philip Fagan's NPI currently active?
What does Philip Fagan specialize in?
207R00000X.