Monty Brian Polonsky, M.D.
Hematology & Oncology Physician · Arcadia, CA
Monty Brian Polonsky, M.D. is a hematology & oncology physician with a practice address in Arcadia, California, and NPI 1205926565, issued on Oct 14, 2006. Check the license (California G62039, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Monty Brian Polonsky
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- G62039 CA
Self-reported in NPPES; status is on the state search - Practice location
- 622 W Duarte RD, Arcadia, CA 91007
- Phone
- (626) 446-4461
- Enumerated
- Oct 14, 2006
- Record last updated
- Mar 28, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (626) 445-0647
- Medicare enrollment
- Enrolled (PECOS I20050706001061); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 622 W Duarte RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathryn Antreasian, MAAudiologist-Hearing Aid Fitter1942443494
- Judith Attaway, MAAudiologist1154595650
- John Beauclair, M.D.Ophthalmology Physician1144248477
- Stephen Bornfeld, O.D.Optometrist1235266131
- Eileen Chen, MDReproductive Endocrinology Physician1568522738
- Jen Chow, MDOtolaryngology/Facial Plastic Surgery Physician1326260977
Verify Monty Brian Polonsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G62039Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average hematology & oncology physician in 2024
962 Medicare Part D claims for 195 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 59 claims were for opioids.
Most prescribed
- Anastrozole196 claims
- Xtandi57 claims
- Hydroxyurea53 claims
- Imbruvica51 claims
- Dexamethasone46 claims
- Letrozole42 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: $4,382.64
149 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Shapiro Stafford Yee And Polonsky PCCovina, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
Other hematology & oncology physician records in California
- Mark Abate, M.D.Santa Barbara, CA1588778674
- Iman Abdalla, MDLos Angeles, CA1730248311
- Haifaa Abdulhaq, MDFresno, CA1508024647
- Nihal Abdulla, MDLos Alamitos, CA1750585345
- Mehrad Abedi, M.D.Sacramento, CA1467459222
- Oyewale Abidoye, M.D.La Jolla, CA1790841815
- Mohammed Abu Zaanona, MDSanta Barbara, CA1922591197
- Mohamad Adada, M.D., PHDRoseville, CA1528590734
- Jesse Adams, MDSacramento, CA1851479554
- Thompson Adams, MDSanta Monica, CA1407880891
Common questions
What is Monty Brian Polonsky, M.D.'s NPI number?
Monty Brian Polonsky, M.D.'s National Provider Identifier (NPI) is 1205926565, issued on Oct 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Monty Brian Polonsky, M.D. located?
The NPPES record lists a practice address at 622 W Duarte RD, Arcadia, CA, 91007. Phone: (626) 446-4461. Providers update this record themselves, so call before visiting.
How can I verify Monty Brian Polonsky, M.D.'s license?
NPPES lists California license number G62039, 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 Monty Brian Polonsky, M.D. prescribe under Medicare Part D?
In 2024, Monty Brian Polonsky, M.D. had 962 Medicare Part D claims for 195 beneficiaries; 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.