Mario Javier Castellanos Jr., DDS
- Part D claims, 2024
- 45
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2011
- Practice address
- 9725 Sierra Ave, Fontana, CA 92335-6716
- Practice phone
- Call (909) 822-6200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mario J Catellanos
Dental practice · Fontana, California
Find Mario Castellanos' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Mario Javier Castellanos Jr. is a dentist in Fontana, California
Mario Castellanos practices at Mario J Catellanos in Fontana, California.
Mario Castellanos' NPI, 1285927962, was assigned on May 27, 2011. Mario Castellanos holds California license 60364.
- NPI
- 1285927962NPI Registry (opens in a new tab)
- NPI enumeration date
- May 27, 2011
- NPI status
- Active
- Practice phone
- (909) 822-6200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mario Javier Castellanos Jr. practices at Mario J Catellanos in Fontana, California
Mario Castellanos' primary practice is Mario J Catellanos, at 9725 Sierra Ave, Fontana, CA 92335-6716. The practice phone is (909) 822-6200.
- Mario J Catellanos9725 Sierra Ave, Fontana, CA 92335-6716Phone(909) 822-6200
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mario Javier Castellanos Jr. is affiliated with 1 site of care and 1 medical group
Mario Castellanos' primary practice is Mario J Catellanos in Fontana, California. Dmand AI also links Mario Castellanos to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Mario Javier Castellanos Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mario Castellanos practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mario J Catellanos | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Mario Javier Castellanos Jr. is one of 6,282 dentists in California
Dentist is Mario Castellanos' primary specialty in the NPI Registry, under taxonomy code 122300000X. Mario Castellanos is licensed in California.
Specialties and state licenses
- Dentist, CaliforniaPrimary
Dentists near Mario Castellanos
Counts of dentists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Mario Javier Castellanos Jr. wrote 45 Medicare Part D claims in 2024
In 2024, Mario Castellanos wrote 45 Medicare Part D claims for 24 patients. 98% of them were for generic drugs.
Mario Castellanos' Part D claims by kind of drug, 2024
- Generic44 claims98%
- Brand-name and other1 claims2%
Drug classes CMS tracks in Mario Castellanos' Part D claims, 2024
- Antibiotics49%22 of 45 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Mario Javier Castellanos Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Mario Javier Castellanos Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mario Javier Castellanos Jr.'s NPI number?
Mario Javier Castellanos Jr.'s NPI number is 1285927962. It was assigned on May 27, 2011, and it is active in the NPI Registry.
What does Mario Javier Castellanos Jr. specialize in?
Mario Javier Castellanos Jr. is a dentist in Fontana, California. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Mario Javier Castellanos Jr. practice?
Mario Castellanos practices at 9725 Sierra Ave, Fontana, CA 92335-6716. Mario Castellanos' primary practice is Mario J Catellanos in Fontana, California. Dmand AI also links Mario Castellanos to 1 medical group.
What is Mario Javier Castellanos Jr.'s office phone number?
The practice phone on file for Mario Castellanos is (909) 822-6200.
What is Mario Javier Castellanos Jr.'s medical license number?
Mario Castellanos holds California license 60364.
How long has Mario Javier Castellanos Jr. been practicing?
Mario Castellanos' NPI was assigned in 2011.
Selling to dentist practices?
See dentists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card