NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033184890
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
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Marilou Terpenning in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G39425
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

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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.

  1. Marilou Terpenning22
  2. Specialty average877

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.

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

Other hematology & oncology physician records in California

  1. Mark Abate, M.D.Santa Barbara, CA1588778674
  2. Iman Abdalla, MDLos Angeles, CA1730248311
  3. Haifaa Abdulhaq, MDFresno, CA1508024647
  4. Nihal Abdulla, MDLos Alamitos, CA1750585345
  5. Mehrad Abedi, M.D.Sacramento, CA1467459222
  6. Oyewale Abidoye, M.D.La Jolla, CA1790841815
  7. Mohammed Abu Zaanona, MDSanta Barbara, CA1922591197
  8. Mohamad Adada, M.D., PHDRoseville, CA1528590734
  9. Jesse Adams, MDSacramento, CA1851479554
  10. Thompson Adams, MDSanta Monica, CA1407880891

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.