DR. JOHN B JAVIEN MD
NPI 1740504356
Internal Medicine - Cardiovascular Disease in Long Beach, CA
About Dr. John B Javien Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN B JAVIEN MD (NPI 1740504356) is an individual cardiovascular disease provider in Long Beach, California, licensed in California (A121471) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (2010).
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. John B Javien 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.
Medicare Billing Reassignment
Medicare enrollment records show John Javien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Long Beach, CA 90813
- Reassigned Medicare billing, California enrollment
- 279 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 3
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 90813 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LONG BEACH, CA 90813
LONG BEACH, CA 90813
LONG BEACH, CA 90813
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 John Javien's NPI number?
The NPI number for John Javien is 1740504356. It was assigned to this individual provider in the NPPES registry on March 25, 2010.
Where is John Javien located?
John Javien practices at 1040 Elm Ave Ste 200, Long Beach, CA 90813. The listed phone number is (562) 624-4999.
What is John Javien's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is John Javien enrolled in Medicare?
Yes. John Javien 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 organization bills Medicare for John Javien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Javien reassigns Medicare benefits to Prohealth Partners A Medical Group (Long Beach, CA). The 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 John Javien'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 John Javien was last updated on August 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. John B Javien, MD · NPI 1740504356
Cardiovascular Disease physician in Long Beach, California. Individual provider, active in the CMS NPPES registry since March 25, 2010.
## Identity
- **NPI:** 1740504356 (Entity type: Individual)
- **Enumerated:** March 25, 2010
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** A121471 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1040 ELM AVE STE 200, Long Beach, CA 90813-3266
- **Phone:** (562) 624-4999
## 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:** Prohealth Partners A Medical Group (NPI 1265982359, Long Beach, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Davis School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** August 10, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1740504356) · Data from the CMS NPPES public registry.