Leland D. Powell, MD
Hematology & Oncology Physician · Sylmar, CA
Leland D. Powell, MD is a hematology & oncology physician with a practice address in Sylmar, California, and NPI 1215028725, issued on Sep 28, 2006. Check the license (California A048063, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Leland D. Powell
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A048063 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14445 Olive View Dr, Sylmar, CA 91342
- Phone
- (818) 364-3205
- Enumerated
- Sep 28, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (818) 364-4573
- Medicaid ID
- A048063 CA
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 14445 Olive View Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nasser Abdo, MDInternal Medicine Physician1306911649
- Gezman Abdullahi, M.D.Internal Medicine Physician1225394380
- Moyosore Abere, NPNurse Practitioner1225667314
- Ammini Abraham, MDAnesthesiology Physician1467531541
- Margarita Acosta, RN, AGACNPAcute Care Nurse Practitioner1609202415
- Fredric Adler, MDInternal Medicine Physician1356376735
Verify Leland D. Powell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A048063Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
11 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $183.28
5 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. 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.
Leland D. Powell among 1,583 hematology & oncology physician records in California
Leland D. Powell, MD 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 updated2007 · 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 Sylmar → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Phyllis Kim, M.D.Sylmar, CA 913421427375369
- Megan ReddySylmar, CA 913421902482474
- Phillis Wu, M.D.Sylmar, CA 913421174716328
- Sarah Ali, MDMission Hills, CA 913451558547588
- Dilprit Bagga, MDMission Hills, CA 913451427262757
- Gagandeep Brar, MDMission Hills, CA 913451528323177
- Albert Dekker, MD.Mission Hills, CA 913451578553590
- Rafid Kouz, MD.Mission Hills, CA 913451346272994
Common questions
What is Leland D. Powell, MD's NPI number?
Leland D. Powell, MD's National Provider Identifier (NPI) is 1215028725, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leland D. Powell, MD located?
The NPPES record lists a practice address at 14445 Olive View Dr, Sylmar, CA, 91342. Phone: (818) 364-3205. Providers update this record themselves, so call before visiting.
How can I verify Leland D. Powell, MD's license?
NPPES lists California license number A048063, 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 Leland D. Powell, MD prescribe under Medicare Part D?
In 2024, Leland D. Powell, MD had 11 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.