Jun Ma, M.D.
Hospitalist Physician · Woodland Hills, CA
Jun Ma, M.D. is a hospitalist physician with a practice address in Woodland Hills, California, and NPI 1861752321, issued on May 17, 2012. Check the license (California A128690, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jun Ma
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A128690 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5601 DE Soto Ave, Woodland Hills, CA 91367
- Phone
- (818) 719-2000
- Enumerated
- May 17, 2012
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (818) 719-2000
- Medicare enrollment
- Enrolled (PECOS I20151016002306); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 5601 DE Soto Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Houry Abajian, PHARM.D.Pharmacist1235297383
- Cecille Abeleda, RCP, RRTRegistered Respiratory Therapist1316424872
- Sunitha AbrahamCertified Respiratory Therapist1114409679
- Arineh AbramPharmacist1760108401
- Stephano Abusleme, DOStudent in an Organized Health Care Education/Training Program1538747639
- Ani Adamian, PHARM DPharmacist1043841851
Verify Jun Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A128690Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average hospitalist physician in 2024
343 Medicare Part D claims for 140 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Furosemide23 claims
- Amlodipine Besylate20 claims
- Hydralazine Hcl16 claims
- Hydrocodone-Acetaminophen12 claims
- Naloxone Hcl12 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 GroupHarbor City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jun Ma among 3,099 hospitalist physician records in California
Jun Ma, M.D. is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 51% of them.
- NPI issued2012 · 51% of these records are older, 44% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2012 · median 2010 among the 2,505 with a school on file
- Record last updated2021 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Woodland Hills → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Michael Nguyen, DOWoodland Hills, CA 913671285376392
- Sewon Oum, M.D.Woodland Hills, CA 913671063772085
- Lorraine Pena, MDWoodland Hills, CA 913671366590341
- Ani Sargsyan, M.D.Woodland Hills, CA 913671902166473
- David Ton, MDWoodland Hills, CA 913671114287331
- Aamir Iqbal, M.D.Thousand Oaks, CA 913611174054019
- Anitha Srinivasa, M.D.Westlake Village, CA 913611306876149
- Gholamreza Badiee, M.D.Thousand Oaks, CA 913601841561784
Common questions
What is Jun Ma, M.D.'s NPI number?
Jun Ma, M.D.'s National Provider Identifier (NPI) is 1861752321, issued on May 17, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Jun Ma, M.D. located?
The NPPES record lists a practice address at 5601 DE Soto Ave, Woodland Hills, CA, 91367. Phone: (818) 719-2000. Providers update this record themselves, so call before visiting.
How can I verify Jun Ma, M.D.'s license?
NPPES lists California license number A128690, 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 Jun Ma, M.D. prescribe under Medicare Part D?
In 2024, Jun Ma, M.D. had 343 Medicare Part D claims for 140 beneficiaries; the average among hospitalist physician prescribers was 521. 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.