ROY MATTATHU JOHN MD
NPI 1417993528
Internal Medicine - Clinical Cardiac Electrophysiology in Stanford, CA
About Roy Mattathu John Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROY MATTATHU JOHN MD (NPI 1417993528) is an individual clinical cardiac electrophysiology provider in Stanford, California, licensed in California (C172396) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1979).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 1
Accepted Insurance
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
Roy Mattathu John 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.
Areas of Expertise CMS Part B claims 25
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Roy John's NPI number?
The NPI number for Roy John is 1417993528. It was assigned to this individual provider in the NPPES registry on June 20, 2006.
Where is Roy John located?
Roy John practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Roy John's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Roy John enrolled in Medicare?
Yes. Roy John 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.
What insurance does Roy John accept?
Health plans from Anthem Blue Cross and Blue Sheld and Anthem Blue Cross and Blue Shield list Roy John as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Roy John was last updated on April 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
