MS. VIA GERONGA TAN CRNA
NPI 1659962454
Nurse Anesthetist, Certified Registered in Van Nuys, CA
About Ms. Via Geronga Tan Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. VIA GERONGA TAN CRNA (NPI 1659962454) is an individual nurse anesthetist, certified registered in Van Nuys, California, licensed in California (95001439) and active in the NPI registry since February 2021. She maintains a secondary practice location in Los Angeles and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Ms. Via Geronga Tan Crna 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
8Medicare enrollment records show Via Tan reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Van Nuys, CA 91405
- Reassigned Medicare billing, California enrollment
- 48 clinicians in this Medicare group
Northridge, CA 91324
- Reassigned Medicare billing, California enrollment
- 15 clinicians in this Medicare group
Northridge, CA 91324
- Reassigned Medicare billing, California enrollment
- 11 clinicians in this Medicare group
Woodland Hills, CA 91364
- Reassigned Medicare billing, California enrollment
- 39 clinicians in this Medicare group
Beverly Hills, CA 90211
- Reassigned Medicare billing, California enrollment
- 28 clinicians in this Medicare group
Beverly Hills, CA 90211
- Reassigned Medicare billing, California enrollment
- 34 clinicians in this Medicare group
Beverly Hills, CA 90211
- Reassigned Medicare billing, California enrollment
- 88 clinicians in this Medicare group
Thousand Oaks, CA 91361
- Reassigned Medicare billing, California enrollment
- 52 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 91405 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VAN NUYS, CA 91405
VAN NUYS, CA 91405
VAN NUYS, CA 91405
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 Via Tan's NPI number?
The NPI number for Via Tan is 1659962454. It was assigned to this individual provider in the NPPES registry on February 3, 2021.
Where is Via Tan located?
Via Tan practices at 15107 Vanowen St, Van Nuys, CA 91405. The listed phone number is (818) 782-6600.
What is Via Tan's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Via Tan enrolled in Medicare?
Yes. Via Tan 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 Via Tan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Via Tan reassigns Medicare benefits to 8 organizations: Vp Anesthesia Partners, Inc (Van Nuys, CA), Synergy Anesthesia A Professional Nursing Corp (Northridge, CA), Northridge Pain Management Specialists Medical Corporation (Northridge, CA), Brotman Medical Anesthesia Group (Woodland Hills, CA), West Coast Anesthesia Partners Inc (Beverly Hills, CA) and 3 more organizations, 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 Via Tan'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 Via Tan was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.
# Ms. Via Geronga Tan, CRNA · NPI 1659962454
Nurse Anesthetist, Certified Registered physician in Van Nuys, California. Individual provider, active in the CMS NPPES registry since February 3, 2021.
## Identity
- **NPI:** 1659962454 (Entity type: Individual)
- **Enumerated:** February 3, 2021
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 95001439 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 15107 VANOWEN ST, Van Nuys, CA 91405-4542
- **Phone:** (818) 782-6600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Vp Anesthesia Partners, Inc (NPI 1518694173, Van Nuys, CA); Synergy Anesthesia A Professional Nursing Corp (NPI 1578283305, Northridge, CA); Northridge Pain Management Specialists Medical Corporation (NPI 1972683555, Northridge, CA); Brotman Medical Anesthesia Group (NPI 1154378362, Woodland Hills, CA); West Coast Anesthesia Partners Inc (NPI 1164183695, Beverly Hills, CA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** September 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1659962454) · Data from the CMS NPPES public registry.