Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Ramon Arenas Guadiz, M.D.
Nephrology Physician in Lynwood, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1003998147
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Registry record
Entity type Individual (Type 1)
Name Dr. Ramon Arenas Guadiz
Credential M.D.
Sex Male
Practice address 3625 Martin Luther King Jr Blvd, Suite 2, Lynwood, CA, 90262
Phone (310) 638-0533
Fax (310) 638-9171
Enumeration date Oct 19, 2006
Last updated in NPPES Dec 20, 2012
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1609098003 | Other | CA | RENAL MEDICAL ASSOCIATES NPI NUMBER |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Ramon Guadiz practice?
The practice location on file with NPPES is in Lynwood, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ramon Guadiz?
The National Provider Identifier (NPI) for Ramon Guadiz is 1003998147, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Andy Hong Nephrology Physician · Lynwood, CA NPI 1508861667 Stephen Lui Nephrology Physician · Lynwood, CA NPI 1891770384 Rodrigo Rocha Nephrology Physician · Lynwood, CA NPI 1801847157 Sita Yanamadala Nephrology Physician · Lynwood, CA NPI 1821049255 Eduardo Gonzalez Family Medicine Physician · Lynwood, CA NPI 1992731798 Andy Hong MD Inc Nephrology Physician · Lynwood, CA NPI 1871604728 Brian Lee Nephrology Physician · Lynwood, CA NPI 1558457556 Satya Kachgal Dentist · Lynwood, CA NPI 1114044070
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-12-20.