Ferdinand J. Panoussi, D.O
Internal Medicine Physician · Lancaster, CA
Ferdinand J. Panoussi, D.O is an internal medicine physician with a practice address in Lancaster, California, and NPI 1144493131, issued on Apr 10, 2008. Check the license (California 20A10970, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ferdinand J. Panoussi
- Credential
- D.O
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A10970 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 W Avenue J, Lancaster, CA 93534
- Phone
- (661) 726-6254
- Enumerated
- Apr 10, 2008
- Record last updated
- Aug 20, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (661) 726-6256
- Medicare enrollment
- Enrolled (PECOS I20100914001037); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1600 W Avenue J
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sam Abid, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1295366656
- Hazem Aboaid, MDInternal Medicine Physician1689323552
- Beverly Kim AgniPsychiatric/Mental Health Registered Nurse1194542761
- Josephine Aideloje, NPPsychiatric/Mental Health Nurse Practitioner1790272243
- Imaobong AliyuAdult Psychiatric/Mental Health Registered Nurse1497343206
- Sam Allen, MDObstetrics & Gynecology Physician1982740841
Verify Ferdinand J. Panoussi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A10970Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% more Medicare Part D claims than the average internal medicine physician in 2024
6,014 Medicare Part D claims for 575 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 137 claims were for opioids.
Most prescribed
- Eliquis251 claims
- Atorvastatin Calcium233 claims
- Amlodipine Besylate209 claims
- Potassium Chloride141 claims
- Pantoprazole Sodium133 claims
- Lisinopril114 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 MIPS final score for 2023 (Medicare payment program): 55.8 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).
Industry payments in 2024: $496.80
14 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 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 2 group practices
- Horizon Multicare Group IncLancaster, CA
- Unified Health AssociatesLancaster, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ferdinand J. Panoussi among 17,696 internal medicine physician records in California
Ferdinand J. Panoussi, D.O is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2008 · median 2004 among the 11,065 with a school on file
- Record last updated2013 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
55 internal medicine physician records list a practice address in Lancaster
They are 55 of the 4,273 NPPES records with a practice address in Lancaster, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Lancaster → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Harihar Agarwal, M.D.Lancaster, CA 935341215964150
- Naili Chen, D.O., MPH, MASCLancaster, CA 935341649251661
- Anthony Dulgeroff, M.D.Lancaster, CA 935341720199763
- Antony Fung, MDLancaster, CA 935341477526846
- Miranda Gaw, MDLancaster, CA 935341891705885
- Marvin Ginsburg, M.D.Lancaster, CA 935341508976580
- Shahid Hassan, M.D.Lancaster, CA 935341851401988
- Charles Lim, M.D.Lancaster, CA 935341205947231
Common questions
What is Ferdinand J. Panoussi, D.O's NPI number?
Ferdinand J. Panoussi, D.O's National Provider Identifier (NPI) is 1144493131, issued on Apr 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ferdinand J. Panoussi, D.O located?
The NPPES record lists a practice address at 1600 W Avenue J, Lancaster, CA, 93534. Phone: (661) 726-6254. Providers update this record themselves, so call before visiting.
How can I verify Ferdinand J. Panoussi, D.O's license?
NPPES lists California license number 20A10970, 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 Ferdinand J. Panoussi, D.O prescribe under Medicare Part D?
In 2024, Ferdinand J. Panoussi, D.O had 6,014 Medicare Part D claims for 575 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Ferdinand J. Panoussi, D.O's MIPS final score?
The 2023 MIPS final score is 55.8 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.