Jackson Ma, M.D.
Internal Medicine Physician · Montebello, CA
Jackson Ma, M.D. is an internal medicine physician with a practice address in Montebello, California, and NPI 1447298732, issued on Jun 2, 2006. Check the license (California A81950, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jackson Ma
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A81950 CA
Self-reported in NPPES; status is on the state search - Practice location
- 120 W Beverly Blvd, Montebello, CA 90640
- Phone
- (323) 528-1565
- Enumerated
- Jun 2, 2006
- Record last updated
- Mar 30, 2026
- Fax
- (323) 271-4068
- Medicare enrollment
- Enrolled (PECOS I20040812001528); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 120 W Beverly Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Thropay, M.D.Radiation Oncology Physician1427128073
Verify Jackson Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A81950Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,855 Medicare Part D claims for 428 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 131 claims were for opioids.
Most prescribed
- Atorvastatin Calcium580 claims
- Amlodipine Besylate477 claims
- Metformin Hcl264 claims
- Losartan Potassium199 claims
- Levothyroxine Sodium198 claims
- Alendronate Sodium197 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: $121.89
5 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Jackson Ma among 17,696 internal medicine physician records in California
Jackson Ma, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2001 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in Montebello
They are 25 of the 728 NPPES records with a practice address in Montebello, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Montebello → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Olga Alarid, M.D.Montebello, CA 906401427077411
- Soroosh Armandi, D.O.Montebello, CA 906401427137439
- Mohammad Chaudhry, M.DMontebello, CA 906401760423669
- Jonathan Chien, M.D.Montebello, CA 906401558327270
- Angelina Espinoza-Lopez, MDMontebello, CA 906401144315565
- Mohinderjit Neelam, M.D.Montebello, CA 906401457325193
- Muzzamil Parekh, M.D.Montebello, CA 906401235188368
- Jagdishchandr Parikh, M.D.Montebello, CA 906401760422067
Common questions
What is Jackson Ma, M.D.'s NPI number?
Jackson Ma, M.D.'s National Provider Identifier (NPI) is 1447298732, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jackson Ma, M.D. located?
The NPPES record lists a practice address at 120 W Beverly Blvd, Montebello, CA, 90640. Phone: (323) 528-1565. Providers update this record themselves, so call before visiting.
How can I verify Jackson Ma, M.D.'s license?
NPPES lists California license number A81950, 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 Jackson Ma, M.D. prescribe under Medicare Part D?
In 2024, Jackson Ma, M.D. had 7,855 Medicare Part D claims for 428 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.