SEAN E. KOON MD
NPI 1285701128
Internal Medicine - Addiction Medicine in Fontana, CA
About Sean E. Koon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN E. KOON MD (NPI 1285701128) is an individual addiction medicine provider in Fontana, California, licensed in California (A70370) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (1998).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Sean E. Koon Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92335 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FONTANA, CA 92335
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sean Koon's NPI number?
The NPI number for Sean Koon is 1285701128. It was assigned to this individual provider in the NPPES registry on November 29, 2006.
Where is Sean Koon located?
Sean Koon practices at 9961 Sierra Ave, Fontana, CA 92335. The listed phone number is (909) 427-3910.
What is Sean Koon's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.
Is Sean Koon enrolled in Medicare?
Yes. Sean Koon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Sean Koon was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Sean E. Koon, MD · NPI 1285701128
Addiction Medicine physician in Fontana, California. Individual provider, active in the CMS NPPES registry since November 29, 2006.
## Identity
- **NPI:** 1285701128 (Entity type: Individual)
- **Enumerated:** November 29, 2006
- **Primary specialty:** Internal Medicine - Addiction Medicine · taxonomy 207RA0401X
- **State license:** A70370 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 9961 SIERRA AVE, Fontana, CA 92335-6720
- **Phone:** (909) 427-3910
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Loma Linda University School Of Medicine, class of 1998
## Record status
- **NPPES last updated:** November 30, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1285701128) · Data from the CMS NPPES public registry.