Michael P. Castro, M.D.
Medical Oncology Physician · Los Angeles, CA
Michael P. Castro, M.D. is a medical oncology physician with a practice address in Los Angeles, California, and NPI 1306834338, issued on Oct 13, 2005. Check the license (California 144118, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael P. Castro
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- 144118 CA
15323 HI
174662 NY
Self-reported in NPPES; status is on the state search - Practice location
- 10001 Venice Blvd Apt 402, Los Angeles, CA 90034
- Phone
- (808) 445-4085
- Enumerated
- Oct 13, 2005
- Record last updated
- Dec 12, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (866) 438-4310
- Medicaid ID
- 01251532 NY
- Medicare enrollment
- Enrolled (PECOS I20170307001896); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
Verify Michael P. Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 144118Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average medical oncology physician in 2024
383 Medicare Part D claims for 49 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Famotidine34 claims
- Jakafi24 claims
- Xtandi22 claims
- Truqap18 claims
- Losartan Potassium17 claims
- Atorvastatin Calcium15 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 practice group's MIPS final score for 2023 (Medicare payment program): 76.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $837.74
26 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 3,343 providers of this specialty with any payment received $11,773.47 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
- Beverly Hills Oncology Medical Group IncBeverly Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael P. Castro among 447 medical oncology physician records in California
Michael P. Castro, M.D. is one of 447 medical oncology physician records with a practice address in California. 82% 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, 94% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1986 · median 2004 among the 312 with a school on file
- Record last updated2016 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in California
There are 447 medical oncology physician records in California.
All 447 in California → Every provider in Los Angeles → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Afsaneh Barzi, M.D.Los Angeles, CA 900331265480412
- Heinz-Josef Lenz, M.D.Los Angeles, CA 900331700814209
- David Tran, MD PHDLos Angeles, CA 900331184747024
- Reva Basho, M.D.West Hollywood, CA 900481508146721
- Jin Sun Bitar, M.D.Los Angeles, CA 900481477940161
- James Hu, M.D.Los Angeles, CA 900481467424929
- Lawrence Liu, MDLos Angeles, CA 900481255890380
- Ronald Natale, M.D.West Hollywood, CA 900481285734350
Common questions
What is Michael P. Castro, M.D.'s NPI number?
Michael P. Castro, M.D.'s National Provider Identifier (NPI) is 1306834338, issued on Oct 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael P. Castro, M.D. located?
The NPPES record lists a practice address at 10001 Venice Blvd Apt 402, Los Angeles, CA, 90034. Phone: (808) 445-4085. Providers update this record themselves, so call before visiting.
How can I verify Michael P. Castro, M.D.'s license?
NPPES lists California license number 144118, 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 Michael P. Castro, M.D. prescribe under Medicare Part D?
In 2024, Michael P. Castro, M.D. had 383 Medicare Part D claims for 49 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Michael P. Castro, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.4 of 100, reported for the practice group. 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.