Lauren Jihyun Ma, DO
Emergency Medicine Physician · Fresno, CA
Lauren Jihyun Ma, DO is an emergency medicine physician with a practice address in Fresno, California, and NPI 1184328932, issued on Mar 27, 2023. Check the license (California 24791, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lauren Jihyun Ma
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 24791 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1303 E Herndon Ave, Fresno, CA 93720
- Phone
- (559) 450-3000
- Enumerated
- Mar 27, 2023
- Record last updated
- May 26, 2026
- Medicare enrollment
- Enrolled (PECOS I20260414001723); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1303 E Herndon Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ali Abdullah-HernandezStudent in an Organized Health Care Education/Training Program1053240648
- Mohamed Aboaly, MDStudent in an Organized Health Care Education/Training Program1598454050
- Gullrana Ahmad, MDStudent in an Organized Health Care Education/Training Program1417699521
- Marie-Rose Akin, MDClinical Pathology/Laboratory Medicine Physician1518988377
- George Alam, M.D.Emergency Medicine Physician1477594745
- Michael Alberts, M.D.Emergency Medicine Physician1366483943
Verify Lauren Jihyun Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 24791Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average emergency medicine physician in 2024
49 Medicare Part D claims for 40 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Lauren Jihyun Ma among 7,751 emergency medicine physician records in California
Lauren Jihyun Ma, DO is one of 7,751 emergency 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 2023, is newer than 98% of them.
- NPI issued2023 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2023 · median 2011 among the 4,560 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
228 emergency medicine physician records list a practice address in Fresno
They are 228 of the 19,440 NPPES records with a practice address in Fresno, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Fresno → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- George Alam, M.D.Fresno, CA 937201477594745
- Michael Alberts, M.D.Fresno, CA 937201366483943
- Dennis Bethel, MDFresno, CA 937201487632865
- Steffan Brown, M.D.Fresno, CA 937201306887948
- Jonathan Caldwell, M.D.Fresno, CA 937201134160674
- David Claypool, MDFresno, CA 937201912958620
- Daniel Delgado, M.D.Fresno, CA 937201184665721
- Janet Dowis, M.D.Fresno, CA 937201811944028
Common questions
What is Lauren Jihyun Ma, DO's NPI number?
Lauren Jihyun Ma, DO's National Provider Identifier (NPI) is 1184328932, issued on Mar 27, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Lauren Jihyun Ma, DO located?
The NPPES record lists a practice address at 1303 E Herndon Ave, Fresno, CA, 93720. Phone: (559) 450-3000. Providers update this record themselves, so call before visiting.
How can I verify Lauren Jihyun Ma, DO's license?
NPPES lists California license number 24791, 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 Lauren Jihyun Ma, DO prescribe under Medicare Part D?
In 2024, Lauren Jihyun Ma, DO had 49 Medicare Part D claims for 40 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.