Ladan Hassanzadeh-Khayyat
Adult Medicine Physician · Mission Hills, CA
Ladan Hassanzadeh-Khayyat is an adult medicine physician with a practice address in Mission Hills, California, and NPI 1831830868, issued on Apr 5, 2022. Check the license (California A205636, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ladan Hassanzadeh-Khayyat
- Primary taxonomy
- Adult Medicine Physician 207QA0505X
- License number
- A205636 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11333 Sepulveda Blvd, Mission Hills, CA 91345
- Phone
- (818) 869-7248
- Enumerated
- Apr 5, 2022
- Record last updated
- Mar 31, 2026
- Medicare enrollment
- Enrolled (PECOS I20251230000841); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult medicine physician records → All 386 in California → Look up another NPI →
Also registered at 11333 Sepulveda Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rafik Abdou, M.DInternal Medicine Physician1740594415
- Arin Abnoosian, M.D.Psychiatry Physician1255661658
- Lord Listowel Addo-Yirenkyi, MDHospitalist Physician1588140008
- Shanta Adhikari, NPFamily Nurse Practitioner1417453945
- Faraz Ali, M.D.Internal Medicine Physician1598170938
- Karine Aloyan, M.D.Internal Medicine Physician1548919673
Verify Ladan Hassanzadeh-Khayyat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A205636Check 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 adult medicine physician in 2024
20 Medicare Part D claims, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Industry payments in 2024: $361.47
3 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 664 providers of this specialty with any payment received $1,405.95 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
- Providence Facey Medical FoundationMission Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ladan Hassanzadeh-Khayyat among 386 adult medicine physician records in California
Ladan Hassanzadeh-Khayyat is one of 386 adult medicine physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 91% of them.
- NPI issued2022 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2021 · median 2005 among the 187 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Medicine Physician providers in California
There are 386 adult medicine physician records in California.
All 386 in California → Every provider in Mission Hills → Adult Medicine Physician nationwide →
The 8 adult medicine physician records with the nearest ZIP codes
- Ashton Garbutt, MDMission Hills, CA 913451407350622
- Divya Manivannan, M.D..Mission Hills, CA 913451164161139
- Maxime Rappaport, MDMission Hills, CA 913451689378499
- Margarit Baghdasaryan, FNPGranada Hills, CA 913441588430383
- Andrew Degiorgio, M.D.Pacoima, CA 913311447785217
- Munira Husain, M.D.Thousand Oaks, CA 913601184856460
- Mary Pascasio, MDThousand Oaks, CA 913601508037300
- Michele Ghaussy, M.D.Thousand Oaks, CA 913611962402180
Common questions
What is Ladan Hassanzadeh-Khayyat's NPI number?
Ladan Hassanzadeh-Khayyat's National Provider Identifier (NPI) is 1831830868, issued on Apr 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ladan Hassanzadeh-Khayyat located?
The NPPES record lists a practice address at 11333 Sepulveda Blvd, Mission Hills, CA, 91345. Phone: (818) 869-7248. Providers update this record themselves, so call before visiting.
How can I verify Ladan Hassanzadeh-Khayyat's license?
NPPES lists California license number A205636, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ladan Hassanzadeh-Khayyat prescribe under Medicare Part D?
In 2024, Ladan Hassanzadeh-Khayyat had 20 Medicare Part D claims; the average among adult medicine physician prescribers was 3,002. Part D covers Medicare prescriptions only.
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.