Dr. Jonathan Jong, DO
- Medicare services, 2024
- 367
- Medicare patients, 2024
- 250
- Part D claims, 2024
- 117
- Hospital affiliations
- 3
- Medical groups
- 3
- Practice address
- 2000 Mowry Ave, Fremont, CA 94538
- Practice phone
- Call (510) 797-1111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Jonathan Jong is an emergency medicine physician in Fremont, California
Dr. Jong practices at Washington Health in Fremont, California, part of Washington Health.
Dr. Jong's NPI, 1528641719, was assigned on May 4, 2021. Dr. Jong graduated from Touro Un College of Osteopathic Medicine, Vallejo in 2021. Dr. Jong holds New York license 329551.
- NPI
- 1528641719NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638614126
- NPI enumeration date
- May 4, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 797-1111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Jong practices at Washington Health in Fremont, California
Dr. Jong's primary practice is Washington Health, at 2000 Mowry Ave, Fremont, CA 94538 in Alameda County. The practice phone is (510) 797-1111.
- Washington Health2000 Mowry Ave, Fremont, CA 94538 · Alameda CountyPhone(510) 797-1111
Source: Dmand AI Affiliation Data
Dr. Jonathan Jong is affiliated with 5 sites of care and 3 medical groups
Dr. Jong's primary practice is Washington Health in Fremont, California, part of Washington Health. Dr. Jong is also affiliated with Santa Clara Valley Medical Center. The medical group on file is Emergency Physicians Associates. Dmand AI also links Dr. Jong to 1 more hospital, 2 group practices and clinics and 2 medical groups, 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 Jong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jong practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Washington Health | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan Jong is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Jong's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Jong is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. Jong
Counts of emergency 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 Jong billed Medicare for 367 services in 2024
CMS data shows 367 Medicare services from Dr. Jong across 5 procedure codes in 2024, for 250 Medicare patients. Medicare paid $37,869 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Jong's Medicare services by type, 2024
- Office and hospital visits246
- Tests and treatments109
- Imaging12
Dr. Jong compared with the California median for emergency medicine physicians, 2024
- Dr. Jong
- California median
- Medicare services
- 367vs 26538% above
- Medicare patients
- 250vs 243Close to median
- Part D claims
- 46vs 6226% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Jong'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 Jong treated 250 Medicare patients in 2024, average age 77
CMS counts 250 Medicare patients who saw Dr. Jong in 2024. The largest group is 75 to 84, with 91 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.40, 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. Jong's median patient age at 51, with 54% women.
Dr. Jong's Medicare patients by age, 2024
Dr. Jong's Medicare patients by sex, 2024
- Women13353%
- Men11747%
Chronic conditions among Dr. Jong's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Diabetes51%
- Ischemic heart disease50%
- Heart failure42%
- Atrial fibrillation40%
- Mood disorders40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Jong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan Jong wrote 117 Medicare Part D claims in 2024
In 2024, Dr. Jong wrote 117 Medicare Part D claims for 91 patients. 96% of them were for generic drugs. CMS names the drug for 46 of them, across 2 drugs with 11 or more claims each, at $458 in total drug cost. In 2023, CMS named 27 claims across 2 drugs.
Dr. Jong's Part D claims by kind of drug, 2024
- Generic112 claims96%
- Brand-name and other5 claims4%
Dr. Jong'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. Jong's Part D claims, 2024
- Antibiotics52%61 of 117 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: 272024: 4670%
Drugs named by CMS: 2 in 2024, 2 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
How Dr. Jonathan Jong takes part in Medicare
Dr. Jong accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jonathan Jong graduated from Touro Un College of Osteopathic Medicine, Vallejo
Dr. Jong graduated from Touro Un College of Osteopathic Medicine, Vallejo in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan Jong'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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Jong
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 Jong's NPI number?
Dr. Jonathan Jong's NPI number is 1528641719. It was assigned on May 4, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Jong?
Dr. Jonathan Jong is an emergency medicine physician in Fremont, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Jonathan Jong practice?
Dr. Jong practices at 2000 Mowry Ave, Fremont, CA 94538. Dr. Jong's primary practice is Washington Health in Fremont, California, part of Washington Health. Dmand AI also links Dr. Jong to 1 hospital, 2 group practices and clinics and 2 medical groups.
What is Dr. Jonathan Jong's office phone number?
The practice phone on file for Dr. Jong is (510) 797-1111.
What is Dr. Jonathan Jong's medical license number?
Dr. Jong holds New York license 329551.
Which hospitals is Dr. Jonathan Jong affiliated with?
Dr. Jong practices at Washington Health in Fremont, California. Dr. Jong is also affiliated with Santa Clara Valley Medical Center. Dmand AI links Dr. Jong to 1 more hospital.
What medical group is Dr. Jonathan Jong part of?
Dr. Jong is linked to Emergency Physicians Associates. Dmand AI links Dr. Jong to 2 more medical groups.
Does Dr. Jonathan Jong accept Medicare?
Yes. CMS data shows Dr. Jong billed Medicare for 367 services in 2024, and Dr. Jong accepts Medicare assignment.
How many Medicare patients does Dr. Jonathan Jong see?
CMS counts 250 Medicare patients who saw Dr. Jong in 2024, with an average age of 77.
What services does Dr. Jonathan Jong bill to Medicare?
In 2024, Dr. Jong's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
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Where did Dr. Jonathan Jong go to medical school?
Dr. Jong graduated from Touro Un College of Osteopathic Medicine, Vallejo in 2021.
What drugs does Dr. Jonathan Jong prescribe most?
In 2024 Medicare Part D data, Dr. Jong's most prescribed drugs by claims were Cefdinir and Ibuprofen.
How long has Dr. Jonathan Jong been practicing?
Dr. Jong graduated from medical school in 2021, 5 years ago.
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