GIOVINETZA HASBUN M.D.
NPI 1255353496
Family Medicine in Valencia, CA
About Giovinetza Hasbun M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GIOVINETZA HASBUN M.D. (NPI 1255353496) is an individual family medicine provider in Valencia, California, licensed in California (A-85995) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Giovinetza Hasbun 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
3Medicare enrollment records show Giovinetza Hasbun reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sylmar, CA 91342
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of Los Angeles
- 1,939 clinicians in this Medicare group
Glendale, CA 91201
- Reassigned Medicare billing, California enrollment
- 273 clinicians in this Medicare group
Santa Monica, CA 90404
- Reassigned Medicare billing, California enrollment
- 57 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 91355 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
VALENCIA, CA 91355
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 Giovinetza Hasbun's NPI number?
The NPI number for Giovinetza Hasbun is 1255353496. It was assigned to this individual provider in the NPPES registry on July 24, 2006.
Where is Giovinetza Hasbun located?
Giovinetza Hasbun practices at 25751 Mcbean Pkwy Ste 210, Valencia, CA 91355. The listed phone number is (661) 284-3100.
What is Giovinetza Hasbun's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Giovinetza Hasbun enrolled in Medicare?
Yes. Giovinetza Hasbun 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 Giovinetza Hasbun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Giovinetza Hasbun reassigns Medicare benefits to 3 organizations: County Of Los Angeles Auditor Controller (Sylmar, CA), Regents Of The University Of California (Glendale, CA) and Regents University Of California (Santa Monica, 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 Giovinetza Hasbun'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 Giovinetza Hasbun was last updated on November 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Giovinetza Hasbun, M.D. · NPI 1255353496
Family Medicine physician in Valencia, California. Individual provider, active in the CMS NPPES registry since July 24, 2006.
## Identity
- **NPI:** 1255353496 (Entity type: Individual)
- **Enumerated:** July 24, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A-85995 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 25751 MCBEAN PKWY STE 210, Valencia, CA 91355-3701
- **Phone:** (661) 284-3100 · **Fax:** (661) 290-3310
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): County Of Los Angeles Auditor Controller (NPI 1134159320, Sylmar, CA); Regents Of The University Of California (NPI 1891110888, Glendale, CA); Regents University Of California (NPI 1710287297, Santa Monica, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** November 30, 2018
- **Other identifiers:** Other A85995 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1255353496) · Data from the CMS NPPES public registry.