Lisa Martine Chaiken, MD
Radiation Oncology Physician · Santa Monica, CA
Lisa Martine Chaiken, MD is a radiation oncology physician with a practice address in Santa Monica, California, and NPI 1528062023, issued on Jun 13, 2005. Check the license (California G66880, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lisa Martine Chaiken
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- G66880 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2121 Santa Monica Blvd, Santa Monica, CA 90404
- Phone
- (310) 829-8913
- Enumerated
- Jun 13, 2005
- Record last updated
- Nov 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (310) 315-6168
- Medicaid IDs
- 00G668800 CA
1528062023 CA - Medicare enrollment
- Enrolled (PECOS I20230112000176); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 2121 Santa Monica Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anabelle AhdootRegistered Dietitian1396283263
- Katiuscha Almeida Merath Reis, MDSurgery Physician1861055626
- Sandra Andrews, RD, CDERegistered Dietitian1427347954
- Maia Aronson, P.A.Physician Assistant1861762882
- Daniel ArtensteinStudent in an Organized Health Care Education/Training Program1023402310
- Bita Azizi, RDRegistered Dietitian1861797839
Verify Lisa Martine Chaiken in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G66880Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average radiation oncology physician in 2024
383 Medicare Part D claims for 151 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 34 claims were for opioids.
Most prescribed
- Hydrocortisone68 claims
- Nystatin43 claims
- Tamsulosin Hcl39 claims
- Ssd21 claims
- Tramadol Hcl19 claims
- Memantine Hcl18 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: $989.59
51 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 3,275 providers of this specialty with any payment received $1,897.85 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
- Northwest Iowa Hospital CorporationSioux City, IA
- Siouxland Regional Cancer CenterSioux City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lisa Martine Chaiken among 735 radiation oncology physician records in California
Lisa Martine Chaiken, MD is one of 735 radiation 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1988 · median 2005 among the 545 with a school on file
- Record last updated2020 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in California
There are 735 radiation oncology physician records in California.
All 735 in California → Every provider in Santa Monica → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Ronald Thompson, MDSanta Monica, CA 904041427033646
- Robert Wollman, MDSanta Monica, CA 904041437134665
- Oscar Streeter, M.D.Santa Monica, CA 904031083764963
- Arthur Zimmerman, M.D.Torrance, CA 905021154464337
- Alessandra Amadeo, MDTorrance, CA 905031225011034
- Garth GreenTorrance, CA 905031366426421
- Rebecca Philipson, M.D.Torrance, CA 905051184079766
- Andrew Schumacher, M.D.Torrance, CA 905051023457173
Common questions
What is Lisa Martine Chaiken, MD's NPI number?
Lisa Martine Chaiken, MD's National Provider Identifier (NPI) is 1528062023, issued on Jun 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Lisa Martine Chaiken, MD located?
The NPPES record lists a practice address at 2121 Santa Monica Blvd, Santa Monica, CA, 90404. Phone: (310) 829-8913. Providers update this record themselves, so call before visiting.
How can I verify Lisa Martine Chaiken, MD's license?
NPPES lists California license number G66880, 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 Lisa Martine Chaiken, MD prescribe under Medicare Part D?
In 2024, Lisa Martine Chaiken, MD had 383 Medicare Part D claims for 151 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.