Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Grace Louise Downing, M.D.
Psychiatry Physician in Represa, CA · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1518137108
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Registry record
Entity type Individual (Type 1)
Name Dr. Grace Louise Downing
Credential M.D.
Sex Female
Practice address 100 Prison Rd, Represa, CA, 95671
Phone (916) 985-8610
Fax (916) 294-3068
Enumeration date Mar 10, 2008
Last updated in NPPES Mar 10, 2008
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
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
What is the NPI number for Grace Downing?
The National Provider Identifier (NPI) for Grace Downing is 1518137108, a Type 1 (individual) record in the CMS NPPES registry.
Where does Grace Downing practice?
The practice location on file with NPPES is in Represa, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Gregory Tinloy Dentist · Represa, CA NPI 1588661730 Resul Ozbayrak Psychiatry Physician · Represa, CA NPI 1245203934 Kathryn Peters Pharmacist · Represa, CA NPI 1730269929 Carrie Brecker Clinical Psychologist · Represa, CA NPI 1063598894 Susanna Farina Clinical Psychologist · Represa, CA NPI 1013089945 Brittany Brizendine Clinical Psychologist · Represa, CA NPI 1184831943 Barbara Smith Psychiatry Physician · Represa, CA NPI 1316157753 Sam Tan Dentist · Represa, CA NPI 1194921072
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-10.