Michael B. Glowalla, MD
Hematology & Oncology Physician · Los Angeles, CA
Michael B. Glowalla, MD is a hematology & oncology physician with a practice address in Los Angeles, California, and NPI 1588735559, issued on Nov 13, 2006. Check the license (California G32342, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael B. Glowalla
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- G32342 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4733 W Sunset Blvd, Los Angeles, CA 90027
- Phone
- (323) 783-4011
- Enumerated
- Nov 13, 2006
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100728000810); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1975
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 4733 W Sunset Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Antoine Abcar, MDNephrology Physician1245301159
- Iman Abdalla, MDHematology & Oncology Physician1730248311
- Joseph Abu-Dalu, MDVascular Surgery Physician1821157587
- Isaac Abusleme, M.D.Internal Medicine Physician1891109468
- Nancy Adachi, PTPhysical Therapist1902004245
- Sangeeta Aggarwal, MDInternal Medicine Physician1578655908
Verify Michael B. Glowalla in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G32342Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average hematology & oncology physician in 2024
1,911 Medicare Part D claims for 274 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 159 claims were for opioids.
Most prescribed
- Lenalidomide90 claims
- Brukinsa83 claims
- Acyclovir78 claims
- Hydroxyurea71 claims
- Xarelto68 claims
- Anastrozole64 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael B. Glowalla among 1,583 hematology & oncology physician records in California
Michael B. Glowalla, 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 fileYes · 71% of these records are
- Graduated1975 · median 2003 among the 1,124 with a school on file
- Record last updated2021 · 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 Los Angeles → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Iman Abdalla, MDLos Angeles, CA 900271730248311
- Ghassan Al-Jazayrly, M.D.Los Angeles, CA 900271679590566
- Marjorie Bernstein-Singer, MDLos Angeles, CA 900271114086717
- Allen Bredt, MDLos Angeles, CA 900271972651891
- Gary Buchschacher Jr., MDLos Angeles, CA 900271730250705
- Soo Im, MDLos Angeles, CA 900271962543397
- Sameer Kulkarni, MDLos Angeles, CA 900271568788545
- Joanne Schottinger, MDLos Angeles, CA 900271437226339
Common questions
What is Michael B. Glowalla, MD's NPI number?
Michael B. Glowalla, MD's National Provider Identifier (NPI) is 1588735559, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael B. Glowalla, MD located?
The NPPES record lists a practice address at 4733 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 783-4011. Providers update this record themselves, so call before visiting.
How can I verify Michael B. Glowalla, MD's license?
NPPES lists California license number G32342, 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 B. Glowalla, MD prescribe under Medicare Part D?
In 2024, Michael B. Glowalla, MD had 1,911 Medicare Part D claims for 274 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.