NPPES file of Aug 9, 2026

Marc Hualong Ma, M.D.

Family Medicine Physician · Rowland Heights, CA

Marc Hualong Ma, M.D. is a family medicine physician with a practice address in Rowland Heights, California, and NPI 1740500313, issued on Jun 7, 2010. Check the license (California A122326, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740500313
Name
Marc Hualong Ma
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
A122326 CA
BP10036754 TX
Self-reported in NPPES; status is on the state search
Practice location
1818 Sierra Leone Ave Ste E, Rowland Heights, CA 91748
Phone
(626) 600-8066
Enumerated
Jun 7, 2010
Record last updated
Jul 14, 2022
Medicare enrollment
Enrolled (PECOS I20130828000697); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →

Verify Marc Hualong Ma in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A122326    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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21% fewer Medicare Part D claims than the average family medicine physician in 2024

2,785 Medicare Part D claims for 285 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Marc Ma2,785
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium457 claims
  2. Amlodipine Besylate150 claims
  3. Losartan Potassium147 claims
  4. Fluticasone Propionate125 claims
  5. Alendronate Sodium113 claims
  6. Famotidine84 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: $466.76

8 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marc Ma$466.76
  2. Specialty average$902.55

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

  1. Herald Christian Health CenterSan Gabriel, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marc Hualong Ma among 17,133 family medicine physician records in California

Marc Hualong Ma, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 60% of them.

  • NPI issued2010 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1998 · median 2005 among the 10,652 with a school on file
  • Record last updated2022 · 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 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 family medicine physician records list a practice address in Rowland Heights

They are 10 of the 816 NPPES records with a practice address in Rowland Heights, and 17,133 family medicine physician records in California.

All 17,133 in California → Every provider in Rowland Heights → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Sangjun Byeon, MDRowland Heights, CA 917481659574945
  2. Yuan-Fei Chang, M.D.City Of Industry, CA 917481194739128
  3. Angela Cherlin, M.D.Rowland Heights, CA 917481508890567
  4. Lei Ding, M.DCity Of Industry, CA 917481811155500
  5. Sunil Dissanayake, M.D.Rowland Heights, CA 917481942290093
  6. Xavier Hsieh, DOCity Of Industry, CA 917481073713616
  7. Adam Hy, D.O.Rowland Heights, CA 917481982640413
  8. Joon Kang, MDRowland Heights, CA 917481811083165

Common questions

What is Marc Hualong Ma, M.D.'s NPI number?

Marc Hualong Ma, M.D.'s National Provider Identifier (NPI) is 1740500313, issued on Jun 7, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Marc Hualong Ma, M.D. located?

The NPPES record lists a practice address at 1818 Sierra Leone Ave Ste E, Rowland Heights, CA, 91748. Phone: (626) 600-8066. Providers update this record themselves, so call before visiting.

How can I verify Marc Hualong Ma, M.D.'s license?

NPPES lists California license number A122326, 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 Marc Hualong Ma, M.D. prescribe under Medicare Part D?

In 2024, Marc Hualong Ma, M.D. had 2,785 Medicare Part D claims for 285 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.