DR. IBRAHIM EL MASRI M.D.
NPI 1396107694
Internal Medicine - Cardiovascular Disease in Stanford, CA
About Dr. Ibrahim El Masri M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IBRAHIM EL MASRI M.D. (NPI 1396107694) is an individual cardiovascular disease provider in Stanford, California, licensed in California (A177707) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ibrahim El Masri M.d. 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.
Medicare Billing Reassignments
2Medicare enrollment records show Ibrahim El Masri reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mountain View, CA 94040
- Reassigned Medicare billing, California enrollment
- 16 clinicians in this Medicare group
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 314 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
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.
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 Ibrahim El Masri's NPI number?
The NPI number for Ibrahim El Masri is 1396107694. It was assigned to this individual provider in the NPPES registry on March 25, 2016.
Where is Ibrahim El Masri located?
Ibrahim El Masri practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (917) 514-3559.
What is Ibrahim El Masri's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Ibrahim El Masri enrolled in Medicare?
Yes. Ibrahim El Masri 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.
Which organizations bill Medicare for Ibrahim El Masri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ibrahim El Masri reassigns Medicare benefits to 2 organizations: Advanced Cardiovascular Specialists Inc (Mountain View, CA) and El Camino Health Medical Network, LLC (San Jose, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ibrahim El Masri's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ibrahim El Masri was last updated on September 20, 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.
# Dr. Ibrahim El Masri, M.D. · NPI 1396107694
Cardiovascular Disease physician in Stanford, California. Individual provider, active in the CMS NPPES registry since March 25, 2016.
## Identity
- **NPI:** 1396107694 (Entity type: Individual)
- **Enumerated:** March 25, 2016
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** A177707 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2295
- **Phone:** (917) 514-3559
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Advanced Cardiovascular Specialists Inc (NPI 1164472270, Mountain View, CA); El Camino Health Medical Network, LLC (NPI 1164880761, San Jose, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** September 20, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1396107694) · Data from the CMS NPPES public registry.