Marilou Terpenning, M.D.
Hematology & Oncology Physician · Pacific Palisades, CA
Marilou Terpenning, M.D. is a hematology & oncology physician with a practice address in Pacific Palisades, California, and NPI 1033184890, issued on Feb 22, 2006. Check the license (California G39425, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marilou Terpenning
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- G39425 CA
Self-reported in NPPES; status is on the state search - Practice location
- 528 Palisades Dr, Pacific Palisades, CA 90272
- Phone
- (310) 995-3758
- Enumerated
- Feb 22, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (310) 995-3758
- Medicaid IDs
- GR0085740 CA
G394250 CA - Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Verify Marilou Terpenning in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G39425Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
22 Medicare Part D claims, against an average of 877 among the 10,784 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.
Marilou Terpenning among 1,583 hematology & oncology physician records in California
Marilou Terpenning, M.D. is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 54% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Pacific Palisades → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Fred Rarick, M.D.Palos Verdes Estates, CA 902741568650380
- Andrew Horodner, M.D.Redondo Beach, CA 902771386849974
- Nora Ku, MDRedondo Beach, CA 902771649269465
- Swati Sikaria, M.D.Redondo Beach, CA 902771497048060
- David Austin, MDManhattan Beach, CA 902661114930435
- Fadi Nakhl, M.D.Lynwood, CA 902621720242704
- Halline Overby, M.D.Lynwood, CA 902621912062001
- Manuel Zevallos, MDLynwood, CA 902621174611750
Common questions
What is Marilou Terpenning, M.D.'s NPI number?
Marilou Terpenning, M.D.'s National Provider Identifier (NPI) is 1033184890, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marilou Terpenning, M.D. located?
The NPPES record lists a practice address at 528 Palisades Dr, Pacific Palisades, CA, 90272. Phone: (310) 995-3758. Providers update this record themselves, so call before visiting.
How can I verify Marilou Terpenning, M.D.'s license?
NPPES lists California license number G39425, 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 Marilou Terpenning, M.D. prescribe under Medicare Part D?
In 2024, Marilou Terpenning, M.D. had 22 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. 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.