Jonathan Ghiam, D.O.
Family Medicine Physician · Los Angeles, CA
Jonathan Ghiam, D.O. is a family medicine physician with a practice address in Los Angeles, California, and NPI 1336516277, issued on Aug 26, 2015. Check the license (California 20A16421, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jonathan Ghiam
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A16421 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1401 S Grand Ave, Los Angeles, CA 90015
- Phone
- (772) 398-7936
- Enumerated
- Aug 26, 2015
- Record last updated
- Jul 12, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190509002892); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1401 S Grand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cristina Acosta-Padron, M.D.Emergency Medicine Physician1902122260
- Osman Adam, MDStudent in an Organized Health Care Education/Training Program1588302921
- Sahra AkbariStudent in an Organized Health Care Education/Training Program1255175386
- Susanne Alcudia, M.D.Student in an Organized Health Care Education/Training Program1700291739
Verify Jonathan Ghiam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A16421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family medicine physician in 2024
281 Medicare Part D claims for 80 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium21 claims
- Amlodipine Besylate20 claims
- Furosemide18 claims
- Losartan Potassium17 claims
- Hydralazine Hcl16 claims
- Carvedilol14 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: $20.80
1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). 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.
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
- Hospitalist Group OF Montebello IncS El Monte, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Ghiam among 17,133 family medicine physician records in California
Jonathan Ghiam, D.O. 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 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2015 · median 2005 among the 10,652 with a school on file
- Record last updated2018 · 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).
829 family medicine physician records list a practice address in Los Angeles
They are 829 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Los Angeles → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kami Adibi, M.D.Los Angeles, CA 900151548211436
- Armaity Austin, M.D, M.P.H, FAAFPLos Angeles, CA 900151558348946
- David Engel, MDLos Angeles, CA 900151790893220
- Drew Fenton, M.D.Los Angeles, CA 900151508837873
- Rosina Franco, M.D.Los Angeles, CA 900151528010964
- Todd Hang, D.O.Los Angeles, CA 900151790796738
- Gaila Kenneally, DOLos Angeles, CA 900151700831468
- Philip Kouros, M.D.Los Angeles, CA 900151972608677
Common questions
What is Jonathan Ghiam, D.O.'s NPI number?
Jonathan Ghiam, D.O.'s National Provider Identifier (NPI) is 1336516277, issued on Aug 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Ghiam, D.O. located?
The NPPES record lists a practice address at 1401 S Grand Ave, Los Angeles, CA, 90015. Phone: (772) 398-7936. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Ghiam, D.O.'s license?
NPPES lists California license number 20A16421, 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 Jonathan Ghiam, D.O. prescribe under Medicare Part D?
In 2024, Jonathan Ghiam, D.O. had 281 Medicare Part D claims for 80 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.
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.