Dr. Jonathan Ghiam, DO
- Medicare services, 2024
- 386
- Medicare patients, 2024
- 96
- Part D claims, 2024
- 281
- Hospital affiliations
- 1
- Industry payments
- $163
- Practice address
- 1401 South Grand Avenue, Los Angeles, CA 90015
- Practice phone
- Call (213) 748-2411
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Ghiam's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jonathan Ghiam is a family medicine physician in Los Angeles, California
Dr. Ghiam practices at Dignity Health - California Hospital Medical Center in Los Angeles, California, part of CommonSpirit Health.
Dr. Ghiam's NPI, 1336516277, was assigned on August 26, 2015. Dr. Ghiam graduated from WesternU College of Osteopathic Medicine of the Pacific in 2015. Dr. Ghiam holds California license 20A16421.
- NPI
- 1336516277NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173866308
- NPI enumeration date
- August 26, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (213) 748-2411
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Ghiam practices at Dignity Health - California Hospital Medical Center in Los Angeles, California
Dr. Ghiam's primary practice is Dignity Health - California Hospital Medical Center, at 1401 South Grand Avenue, Los Angeles, CA 90015 in Los Angeles County. The practice phone is (213) 748-2411.
- Dignity Health - California Hospital Medical Center1401 South Grand Avenue, Los Angeles, CA 90015 · Los Angeles CountyPhone(213) 748-2411
Source: Dmand AI Affiliation Data
Dr. Jonathan Ghiam is affiliated with 2 sites of care and 2 medical groups
Dr. Ghiam's primary practice is Dignity Health - California Hospital Medical Center in Los Angeles, California, part of CommonSpirit Health. The medical group on file is Hospitalist Group of Montebello. Dmand AI also links Dr. Ghiam to 1 more physician office and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jonathan Ghiam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ghiam practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - California Hospital Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan Ghiam is one of 15,680 family medicine physicians in California
Family medicine is Dr. Ghiam's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Ghiam is board certified in family practice and osteopathic manipulative medicine by the AOA Board of Family Physicians. Dmand AI has Dr. Ghiam's licenses on file in 2 states: California and Florida.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Florida license
Clinical focus
Dmand AI lists chronic anemia, chronic hypertension, chronic skin ulcer, circulatory problems in extremities, congestive heart failure, epilepsy, heart attack and heart failure among the conditions Dr. Ghiam treats.
Family medicine physicians near Dr. Ghiam
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jonathan Ghiam billed Medicare for 386 services in 2024
CMS data shows 386 Medicare services from Dr. Ghiam across 7 procedure codes in 2024, for 96 Medicare patients. Medicare paid $35,008 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ghiam's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4662024: 38617%
Dr. Ghiam compared with the California median for family medicine physicians, 2024
- Dr. Ghiam
- California median
- Medicare services
- 386vs 24657% above
- Medicare patients
- 96vs 11819% below
- Part D claims
- 119vs 83386% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Ghiam's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan Ghiam treated 96 Medicare patients in 2024, average age 70
CMS counts 96 Medicare patients who saw Dr. Ghiam in 2024. The largest group is 65 to 74, with 46 patients. 75% of them have diabetes, and 75% have high blood pressure. Their average risk score is 3.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ghiam's median patient age at 57, with 47% women.
Dr. Ghiam's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ghiam's Medicare patients by sex, 2024
- Women4446%
- Men5254%
Chronic conditions among Dr. Ghiam's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol73%
- Chronic kidney disease63%
- Arthritis59%
- Heart failure58%
- Ischemic heart disease50%
- COPD49%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ghiam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan Ghiam wrote 281 Medicare Part D claims in 2024
In 2024, Dr. Ghiam wrote 281 Medicare Part D claims for 80 patients. 84% of them were for generic drugs. CMS names the drug for 119 of them, across 7 drugs with 11 or more claims each, at $417 in total drug cost. In 2023, CMS named 75 claims across 5 drugs.
Dr. Ghiam's Part D claims by kind of drug, 2024
- Generic235 claims84%
- Brand-name and other46 claims16%
Dr. Ghiam's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ghiam's Part D claims, 2024
- Antibiotics11%30 of 281 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 752024: 11959%
Drugs named by CMS: 7 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Jonathan Ghiam offers telehealth to Medicare patients
Dr. Ghiam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ghiam as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jonathan Ghiam received $163 in industry payments from 2017 to 2024
CMS Open Payments shows 3 general payments to Dr. Ghiam from 3 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. ViiV Healthcare Company paid the most, $125.
General payments to Dr. Ghiam by program year, 2017 to 2024
Companies that paid Dr. Ghiam the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jonathan Ghiam graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Ghiam graduated from WesternU College of Osteopathic Medicine of the Pacific in 2015.
- Medical school
- Board certified in family practice and osteopathic manipulative medicine
Source: Dmand AI Professional Profile Data
Dr. Jonathan Ghiam accepts plans from 2 insurance carriers
Dr. Ghiam is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- CMS Medicare
- Molina
Source: Dmand AI Insurance Network Data
Sources for Dr. Jonathan Ghiam's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jonathan Ghiam
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Jonathan Ghiam's NPI number?
Dr. Jonathan Ghiam's NPI number is 1336516277. It was assigned on August 26, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Ghiam?
Dr. Jonathan Ghiam is a family medicine physician in Los Angeles, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Jonathan Ghiam practice?
Dr. Ghiam practices at 1401 South Grand Avenue, Los Angeles, CA 90015. Dr. Ghiam's primary practice is Dignity Health - California Hospital Medical Center in Los Angeles, California, part of CommonSpirit Health. Dmand AI also links Dr. Ghiam to 1 physician office and 1 medical group.
What is Dr. Jonathan Ghiam's office phone number?
The practice phone on file for Dr. Ghiam is (213) 748-2411.
What is Dr. Jonathan Ghiam's medical license number?
Dr. Ghiam holds California license 20A16421, one of the licenses on file in 2 states.
Which states has Dr. Jonathan Ghiam been licensed in?
Dmand AI has state licenses on file for Dr. Ghiam in California (2018 to 2026) and Florida (since 2024).
Which hospitals is Dr. Jonathan Ghiam affiliated with?
Dr. Ghiam practices at Dignity Health - California Hospital Medical Center in Los Angeles, California.
What medical group is Dr. Jonathan Ghiam part of?
Dr. Ghiam is linked to Hospitalist Group of Montebello. Dmand AI links Dr. Ghiam to 1 more medical group.
Does Dr. Jonathan Ghiam accept Medicare?
Yes. CMS data shows Dr. Ghiam billed Medicare for 386 services in 2024, and Dr. Ghiam accepts Medicare assignment.
Does Dr. Jonathan Ghiam offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ghiam as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Jonathan Ghiam see?
CMS counts 96 Medicare patients who saw Dr. Ghiam in 2024, with an average age of 70.
Is Dr. Jonathan Ghiam board certified?
Yes. Dr. Ghiam is board certified in family practice and osteopathic manipulative medicine by the AOA Board of Family Physicians.
What services does Dr. Jonathan Ghiam bill to Medicare?
In 2024, Dr. Ghiam's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and care management and other visits (99497).
Where did Dr. Jonathan Ghiam go to medical school?
Dr. Ghiam graduated from WesternU College of Osteopathic Medicine of the Pacific in 2015.
What drugs does Dr. Jonathan Ghiam prescribe most?
In 2024 Medicare Part D data, Dr. Ghiam's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Furosemide.
Has Dr. Jonathan Ghiam received payments from drug or device companies?
CMS Open Payments shows $163 in general payments to Dr. Ghiam from 3 companies from 2017 to 2024. The largest total came from ViiV Healthcare Company.
How long has Dr. Jonathan Ghiam been practicing?
Dr. Ghiam graduated from medical school in 2015, 11 years ago.
What insurance does Dr. Jonathan Ghiam accept?
Dr. Ghiam is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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