Joanna Stuppler, NP
Nurse Practitioner · Tarzana, CA
Joanna Stuppler, NP is a nurse practitioner with a practice address in Tarzana, California, and NPI 1629666268, issued on Jan 8, 2021. Check the license (California 95014465, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joanna Stuppler
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 95014465 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18133 Ventura Blvd Ste C, Tarzana, CA 91356
- Phone
- (818) 515-0091
- Enumerated
- Jan 8, 2021
- Record last updated
- Jul 5, 2022
- Medicare enrollment
- Enrolled (PECOS I20210609002761); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 18133 Ventura Blvd Ste C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paula Barash, NPFamily Nurse Practitioner1255282661
- Anna Gryunshpan, FNPNurse Practitioner1033810171
Verify Joanna Stuppler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95014465Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average nurse practitioner in 2024
13 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 95.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Apex Multispecialty Medical Group IncLos Angeles, CA
- Genesis Hospitalist Medical Group, Inc.West Hollywood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanna Stuppler among 8,223 nurse practitioner records in California
Joanna Stuppler, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 71% of them.
- NPI issued2021 · 71% of these records are older, 23% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2019 · median 2017 among the 3,425 with a school on file
- Record last updated2022 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in California
There are 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Tarzana → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Gohar BaghumyanTarzana, CA 913561366211369
- Erika Kim Brosas, DNP, FNP-BCTarzana, CA 913561205690138
- Hiuming Chick, NPTarzana, CA 913561427824366
- Dayna GarrisonTarzana, CA 913561679273015
- Anna Gryunshpan, FNPTarzana, CA 913561033810171
- Nisha Hatia, NPTarzana, CA 913561013079557
- Robert JacksonTarzana, CA 913561689471310
- Daniela LazarTarzana, CA 913561720648264
Common questions
What is Joanna Stuppler, NP's NPI number?
Joanna Stuppler, NP's National Provider Identifier (NPI) is 1629666268, issued on Jan 8, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Stuppler, NP located?
The NPPES record lists a practice address at 18133 Ventura Blvd Ste C, Tarzana, CA, 91356. Phone: (818) 515-0091. Providers update this record themselves, so call before visiting.
How can I verify Joanna Stuppler, NP's license?
NPPES lists California license number 95014465, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Joanna Stuppler, NP prescribe under Medicare Part D?
In 2024, Joanna Stuppler, NP had 13 Medicare Part D claims; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Joanna Stuppler, NP's MIPS final score?
The 2023 MIPS final score is 95.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.