JONAS CRUZ MASIKAT M.D
NPI 1043414246
Internal Medicine in Hayward, CA
About Jonas Cruz Masikat M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONAS CRUZ MASIKAT M.D (NPI 1043414246) is an individual internal medicine provider in Hayward, California, licensed in California (A79807) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.
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 (PECOS)
Jonas Cruz Masikat M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Jonas Masikat reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redwood City, CA 94062
- Reassigned Medicare billing, California enrollment
- 962 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
San Diego, CA 92110
- Reassigned Medicare billing, California enrollment
- 105 clinicians in this Medicare group
El Centro, CA 92243
- Reassigned Medicare billing, California enrollment
- 11 clinicians in this Medicare group
El Centro, CA 92243
- Reassigned Medicare billing, California enrollment
- 12 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
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 94545 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 Jonas Masikat's NPI number?
The NPI number for Jonas Masikat is 1043414246. It was assigned to this individual provider in the NPPES registry on June 12, 2007.
Where is Jonas Masikat located?
Jonas Masikat practices at 27200 Calaroga Ave, Hayward, CA 94545. The listed phone number is (510) 780-4345.
What is Jonas Masikat's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jonas Masikat enrolled in Medicare?
Yes. Jonas Masikat is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Jonas Masikat's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonas Masikat reassigns Medicare benefits to 6 organizations: Galen Inpatient Physicians Inc (Redwood City, CA), Hospitalist Medicine Physicians Of California, Inc (Apple Valley, CA), Inpatient Specialists Of California, PC (San Bernardino, CA), County Of San Diego (San Diego, CA), Imperial Valley Multi-Specialty Medical Group, Inc. (El Centro, CA) and 1 more organization, listed in the Medicare section above. 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 Jonas Masikat'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 Jonas Masikat was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Jonas Cruz Masikat, M.D · NPI 1043414246
Internal Medicine physician in Hayward, California. Individual provider, active in the CMS NPPES registry since June 12, 2007.
## Identity
- **NPI:** 1043414246 (Entity type: Individual)
- **Enumerated:** June 12, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A79807 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 27200 CALAROGA AVE, Hayward, CA 94545-4339
- **Phone:** (510) 780-4345
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Galen Inpatient Physicians Inc (NPI 1144264367, Redwood City, CA); Hospitalist Medicine Physicians Of California, Inc (NPI 1184663965, Apple Valley, CA); Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA); County Of San Diego (NPI 1336209220, San Diego, CA); Imperial Valley Multi-Specialty Medical Group, Inc. (NPI 1700277647, El Centro, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
---
Source: [NPI Profile](https://npiprofile.com/npi/1043414246) · Data from the CMS NPPES public registry.