Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. John Russillo, RPH
Pharmacist in Concord, CA · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639500333
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Registry record
Entity type Individual (Type 1)
Name Mr. John Russillo
Credential RPH
Sex Male
Practice address 2540 East St, Concord, CA, 94520
Phone (925) 674-2901
Enumeration date Dec 5, 2013
Last updated in NPPES Dec 5, 2013
Taxonomy & licenses
RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy.
About the RPH 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
Where does John Russillo practice?
The practice location on file with NPPES is in Concord, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Russillo?
The National Provider Identifier (NPI) for John Russillo is 1639500333, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Marjaneh Moini Radiation Oncology Physician · Concord, CA NPI 1023009438 Bay Area Therapeutic Radiology & Oncology Assoc Med Grp Inc Radiation Oncology Physician · Concord, CA NPI 1013908425 Michael Levine Radiation Oncology Physician · Concord, CA NPI 1942291356 Richard Carmel Radiation Oncology Physician · Concord, CA NPI 1902897317 Daniel Chinn Radiation Oncology Physician · Concord, CA NPI 1063493757 Mt. Diablo Surgery Center Ambulatory Surgical Clinic/Center · Concord, CA NPI 1326093717 Kendra Jacobson Physician Assistant · Concord, CA NPI 1982644167 Stuart Shikora Emergency Medicine Physician · Concord, CA NPI 1477574572
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-12-05.