JOANNA STUPPLER NP
NPI 1629666268
Nurse Practitioner in Tarzana, CA
About Joanna Stuppler Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOANNA STUPPLER NP (NPI 1629666268) is an individual nurse practitioner in Tarzana, California, licensed in California (95014465) and active in the NPI registry since January 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
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
Joanna Stuppler Np 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 Joanna Stuppler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Hollywood, CA 90048
- Reassigned Medicare billing, California enrollment
- 20 clinicians in this Medicare group
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 21 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 91356 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 2
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 Joanna Stuppler's NPI number?
The NPI number for Joanna Stuppler is 1629666268. It was assigned to this individual provider in the NPPES registry on January 8, 2021.
Where is Joanna Stuppler located?
Joanna Stuppler practices at 18133 Ventura Blvd Ste C, Tarzana, CA 91356. The listed phone number is (818) 515-0091.
What is Joanna Stuppler's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Joanna Stuppler enrolled in Medicare?
Yes. Joanna Stuppler 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 Joanna Stuppler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joanna Stuppler reassigns Medicare benefits to 2 organizations: Genesis Hospitalist Medical Group, Inc. (West Hollywood, CA) and Apex Multispecialty Medical Group, Inc (Los Angeles, 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 Joanna Stuppler'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 Joanna Stuppler was last updated on July 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Joanna Stuppler, NP · NPI 1629666268
Nurse Practitioner physician in Tarzana, California. Individual provider, active in the CMS NPPES registry since January 8, 2021.
## Identity
- **NPI:** 1629666268 (Entity type: Individual)
- **Enumerated:** January 8, 2021
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 95014465 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 18133 VENTURA BLVD STE C, Tarzana, CA 91356-3612
- **Phone:** (818) 515-0091
## 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): Genesis Hospitalist Medical Group, Inc. (NPI 1316641855, West Hollywood, CA); Apex Multispecialty Medical Group, Inc (NPI 1023672367, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** July 5, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1629666268) · Data from the CMS NPPES public registry.