DR. MICHEAL ANDREW MASSOUD D.O.
NPI 1194183012
Internal Medicine in Vacaville, CA
About Dr. Micheal Andrew Massoud D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHEAL ANDREW MASSOUD D.O. (NPI 1194183012) is an individual internal medicine provider in Vacaville, California, licensed in Ohio (34.013157) and active in the NPI registry since February 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
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. Micheal Andrew Massoud D.o. 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 Micheal Massoud reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairfield, CA 94534
- Reassigned Medicare billing, California enrollment
- 3,056 clinicians in this Medicare group
Vallejo, CA 94589
- Reassigned Medicare billing, California enrollment
- 20,078 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 2
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 95688 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.
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 Micheal Massoud's NPI number?
The NPI number for Micheal Massoud is 1194183012. It was assigned to this individual provider in the NPPES registry on February 5, 2016.
Where is Micheal Massoud located?
Micheal Massoud practices at 1 Quality Dr, Vacaville, CA 95688. The listed phone number is (707) 624-4000.
What is Micheal Massoud's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Micheal Massoud enrolled in Medicare?
Yes. Micheal Massoud 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 Micheal Massoud's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Micheal Massoud reassigns Medicare benefits to 2 organizations: Sutter Valley Medical Foundation (Fairfield, CA) and Permanente Medical Group Inc (Vallejo, 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 Micheal Massoud'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 Micheal Massoud was last updated on November 27, 2023. 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.