Diana Cizmadija
Nurse Practitioner · Thousand Oaks, CA
Diana Cizmadija is a nurse practitioner with a practice address in Thousand Oaks, California, and NPI 1629408307, issued on Nov 18, 2013. Check the license (California NP95006546, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diana Cizmadija
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- NP95006546 CA
NP15371 OH
Self-reported in NPPES; status is on the state search - Practice location
- 248 Hampshire RD Ste 100, Thousand Oaks, CA 91361
- Phone
- (805) 390-0127
- Enumerated
- Nov 18, 2013
- Record last updated
- Apr 26, 2022
- Fax
- (805) 370-0128
- Medicare enrollment
- Enrolled (PECOS I20220425001029); 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 248 Hampshire RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nazanin Asvadi, MDDiagnostic Radiology Physician1689197196
- Jonathan Chan, M.D.Pulmonary Disease Physician1982016929
- Kosha Doshi, DOFamily Medicine Physician1588124903
- Alicia Guevara, M.D.Family Medicine Physician1629295217
- Nithyalakshmi NambiarInternal Medicine Physician1689237182
- Mike Oulashian, M.D.Family Medicine Physician1164694212
Verify Diana Cizmadija in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP95006546Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average nurse practitioner in 2024
630 Medicare Part D claims for 364 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone79 claims
- Albuterol Sulfate Hfa53 claims
- Amoxicillin-Clavulanate Potass35 claims
- Meloxicam35 claims
- Fluticasone Propionate31 claims
- Azithromycin29 claims
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 practice group's MIPS final score for 2023 (Medicare payment program): 86.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $195.92
2 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaThousand Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diana Cizmadija among 8,223 nurse practitioner records in California
Diana Cizmadija 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 2013, is newer than 39% of them.
- NPI issued2013 · 39% of these records are older, 58% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2013 · 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 Thousand Oaks → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Tabitha Carnevale, RN, BSN, FNPThousand Oaks, CA 913611063701225
- Kim Dannenberg, NPWestlake Village, CA 913611982172201
- Mia De Leon, NPWestlake Village, CA 913611700119195
- Sue Ann Ferraro, NPThousand Oaks, CA 913611477218311
- Rollena Guachino, RNThousand Oaks, CA 913611730854217
- Jeanine Ishak, N.P.Westlake Village, CA 913611962456475
- Denise Jaffe, NPThousand Oaks, CA 913611982718227
- Lidiya Lambert, NP, MSNWestlake Vlg, CA 913611811641533
Common questions
What is Diana Cizmadija's NPI number?
Diana Cizmadija's National Provider Identifier (NPI) is 1629408307, issued on Nov 18, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Diana Cizmadija located?
The NPPES record lists a practice address at 248 Hampshire RD Ste 100, Thousand Oaks, CA, 91361. Phone: (805) 390-0127. Providers update this record themselves, so call before visiting.
How can I verify Diana Cizmadija's license?
NPPES lists California license number NP95006546, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Diana Cizmadija prescribe under Medicare Part D?
In 2024, Diana Cizmadija had 630 Medicare Part D claims for 364 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Diana Cizmadija's MIPS final score?
The 2023 MIPS final score is 86.1 of 100, reported for the practice group. 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.