DR. JOY LOMBRIO MONTES M.D.
NPI 1588808356
Hospitalist in Northridge, CA
About Dr. Joy Lombrio Montes M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOY LOMBRIO MONTES M.D. (NPI 1588808356) is an individual hospitalist provider in Northridge, California, licensed in California (A119531) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2001).
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. Joy Lombrio Montes 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 Joy Montes reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Hills, CA 91304
- Reassigned Medicare billing, California enrollment
- 205 clinicians in this Medicare group
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 635 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91325 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 19
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 Joy Montes's NPI number?
The NPI number for Joy Montes is 1588808356. It was assigned to this individual provider in the NPPES registry on April 23, 2009.
Where is Joy Montes located?
Joy Montes practices at 8510 Balboa Blvd Suite 150, Northridge, CA 91325. The listed phone number is (818) 552-6230.
What is Joy Montes's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Joy Montes enrolled in Medicare?
Yes. Joy Montes 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 Joy Montes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joy Montes reassigns Medicare benefits to 2 organizations: Lakeside Medical Organization, A Medical Group Inc. (West Hills, CA) and Beaver Medical Group P C (Redlands, 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 Joy Montes'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 Joy Montes was last updated on April 24, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. Joy Lombrio Montes, M.D. · NPI 1588808356
Hospitalist physician in Northridge, California. Individual provider, active in the CMS NPPES registry since April 23, 2009.
## Identity
- **NPI:** 1588808356 (Entity type: Individual)
- **Enumerated:** April 23, 2009
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A119531 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8510 BALBOA BLVD, SUITE 150, Northridge, CA 91325-3583
- **Phone:** (818) 552-6230
## 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): Lakeside Medical Organization, A Medical Group Inc. (NPI 1831426642, West Hills, CA); Beaver Medical Group P C (NPI 1649503319, Redlands, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** April 24, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1588808356) · Data from the CMS NPPES public registry.