Dr. Jennifer J. Zhou, MD
- Medicare services, 2024
- 39
- Medicare patients, 2024
- 41
- Part D claims, 2024
- 237
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 9965 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente - Fontana Medical Center
Fontana, California
Find Dr. Zhou's professional email, personal email and mobile number
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Dr. Jennifer J. Zhou is an emergency medicine physician in Fontana, California
Dr. Zhou practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.
Dr. Zhou's NPI, 1154768638, was assigned on May 24, 2013. Dr. Zhou holds Illinois license 036.143491.
- NPI
- 1154768638NPI Registry (opens in a new tab)
- NPI enumeration date
- May 24, 2013
- NPI status
- Active
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Jennifer J. Zhou practices at Kaiser Permanente - Fontana Medical Center in Fontana, California
Dr. Zhou's primary practice is Kaiser Permanente - Fontana Medical Center, at 9965 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Kaiser Permanente - Fontana Medical Center9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jennifer J. Zhou is affiliated with 2 sites of care and 1 medical group
Dr. Zhou's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dr. Zhou is also affiliated with NYC Health + Hospitals/Jacobi. The medical group on file is Southern California Permanente Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jennifer J. Zhou's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhou practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente - Fontana Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jennifer J. Zhou is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Zhou's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Zhou is licensed in Illinois.
Specialties and state licenses
- Emergency medicine, IllinoisPrimary
Emergency medicine physicians near Dr. Zhou
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. Jennifer J. Zhou billed Medicare for 39 services in 2024
CMS data shows 39 Medicare services from Dr. Zhou across 2 procedure codes in 2024, for 41 Medicare patients. Medicare paid $2,685 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Zhou's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 272024: 3944%
Dr. Zhou compared with the California median for emergency medicine physicians, 2024
- Dr. Zhou
- California median
- Medicare services
- 39vs 26585% below
- Medicare patients
- 41vs 24383% below
- Part D claims
- 96vs 6255% above
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Zhou'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zhou and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jennifer J. Zhou treated 41 Medicare patients in 2024, average age 64
CMS counts 41 Medicare patients who saw Dr. Zhou in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have high blood pressure, and 63% have high cholesterol. Their average risk score is 2.97, 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. Zhou's median patient age at 40, with 55% women.
Dr. Zhou's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Zhou's Medicare patients by sex, 2024
- Women2049%
- Men2151%
Chronic conditions among Dr. Zhou's Medicare patients, 2024
- High blood pressure75%
- High cholesterol63%
- Diabetes59%
- Arthritis46%
- Anxiety44%
- Heart failure44%
- Chronic kidney disease39%
- Ischemic heart disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zhou's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jennifer J. Zhou wrote 237 Medicare Part D claims in 2024
In 2024, Dr. Zhou wrote 237 Medicare Part D claims for 149 patients. 84% of them were for generic drugs. CMS names the drug for 96 of them, across 6 drugs with 11 or more claims each, at $1,946 in total drug cost. In 2023, CMS named 64 claims across 4 drugs.
Dr. Zhou's Part D claims by kind of drug, 2024
- Generic198 claims84%
- Brand-name39 claims16%
Dr. Zhou'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. Zhou's Part D claims, 2024
- Opioids8%19 of 237 claims
- Antibiotics39%92 of 237 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: 642024: 9650%
Drugs named by CMS: 6 in 2024, 4 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
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Sources for Dr. Jennifer J. Zhou'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Jennifer J. Zhou
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What is Dr. Jennifer J. Zhou's NPI number?
Dr. Jennifer J. Zhou's NPI number is 1154768638. It was assigned on May 24, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Jennifer J. Zhou?
Dr. Jennifer J. Zhou is an emergency medicine physician in Fontana, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Jennifer J. Zhou practice?
Dr. Zhou practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Zhou's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California.
What is Dr. Jennifer J. Zhou's office phone number?
The practice phone on file for Dr. Zhou is (909) 427-5000.
What is Dr. Jennifer J. Zhou's medical license number?
Dr. Zhou holds Illinois license 036.143491.
Which hospitals is Dr. Jennifer J. Zhou affiliated with?
Dr. Zhou is affiliated with NYC Health + Hospitals/Jacobi.
What medical group is Dr. Jennifer J. Zhou part of?
Dr. Zhou is linked to Southern California Permanente Medical Group.
Does Dr. Jennifer J. Zhou accept Medicare?
Yes. CMS data shows Dr. Zhou billed Medicare for 39 services in 2024.
How many Medicare patients does Dr. Jennifer J. Zhou see?
CMS counts 41 Medicare patients who saw Dr. Zhou in 2024, with an average age of 64.
What services does Dr. Jennifer J. Zhou bill to Medicare?
In 2024, Dr. Zhou's most billed Medicare services were emergency department visit (99284) and emergency department visit (99283).
What drugs does Dr. Jennifer J. Zhou prescribe most?
In 2024 Medicare Part D data, Dr. Zhou's most prescribed drugs by claims were Cefpodoxime Proxetil, Hydrocodone-Acetaminophen and Ibuprofen.
How long has Dr. Jennifer J. Zhou been practicing?
Dr. Zhou graduated from medical school in 2013, 13 years ago.
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