Dr. Andrew Zhang, MD
- Medicare services, 2024
- 1,547
- Medicare patients, 2024
- 187
- Part D claims, 2024
- 126
- Publications
- 3
- MIPS score, 2024
- 87
- Practice address
- 7373 West Ln, Stockton, CA 95210
- Practice phone
- Call (209) 476-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Stockton, California
Find Dr. Zhang'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. Andrew Zhang is a radiation oncologist in Stockton, California
Dr. Zhang practices at Permanente Medical Group Inc in Stockton, California.
Dr. Zhang's NPI, 1821417627, was assigned on April 9, 2014. Dr. Zhang graduated from Cleveland Medical College, Homeopathic in 2014. Dr. Zhang holds California license A159856.
- NPI
- 1821417627NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567796543
- NPI enumeration date
- April 9, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 476-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrew Zhang practices at Permanente Medical Group Inc in Stockton, California
Dr. Zhang's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.
- Permanente Medical Group Inc7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Andrew Zhang is affiliated with 4 sites of care and 2 medical groups
Dr. Zhang's primary practice is Permanente Medical Group Inc in Stockton, California. Dr. Zhang is also affiliated with MemorialCare Saddleback Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Zhang to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Andrew Zhang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Andrew Zhang is one of 685 radiation oncologists in California
Radiation oncology is Dr. Zhang's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Zhang is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Zhang's licenses on file in 4 states: California, Connecticut, New Jersey and Ohio.
Specialties and state licenses
- Radiation oncology, CaliforniaPrimary
- Connecticut license
- New Jersey license
- Ohio license
Clinical focus
Dmand AI lists prostate cancer radiation among the conditions Dr. Zhang treats.
Radiation oncologists near Dr. Zhang
Counts of radiation oncologists 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. Andrew Zhang billed Medicare for 1,547 services in 2024
CMS data shows 1,547 Medicare services from Dr. Zhang across 14 procedure codes in 2024, for 187 Medicare patients. Medicare paid $107,492 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Zhang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1552024: 1,307743%
- Office and hospital visits
- 2023: 612024: 225269%
- Other services
- 2023: 02024: 15
- Surgery
- 2023: 262024: 0100%
Dr. Zhang compared with the California median for radiation oncologists, 2024
- Dr. Zhang
- California median
- Medicare services
- 1,547vs 1,4447% above
- Medicare patients
- 187vs 16414% above
- Part D claims
- 74vs 322.3 times
Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.
Dr. Zhang'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. Zhang and other radiation oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Andrew Zhang treated 187 Medicare patients in 2024, average age 75
CMS counts 187 Medicare patients who saw Dr. Zhang in 2024. The largest group is 65 to 74, with 93 patients. 75% of them have cancer, and 68% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zhang's median patient age at 74, with 52% women.
Dr. Zhang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Zhang's Medicare patients by sex, 2024
- Women9953%
- Men8847%
Chronic conditions among Dr. Zhang's Medicare patients, 2024
- Cancer75%
- High cholesterol68%
- High blood pressure64%
- Arthritis38%
- Diabetes25%
- Chronic kidney disease20%
- Anxiety19%
- Ischemic heart disease19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zhang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andrew Zhang wrote 126 Medicare Part D claims in 2024
In 2024, Dr. Zhang wrote 126 Medicare Part D claims for 62 patients. 87% of them were for generic drugs. CMS names the drug for 74 of them, across 3 drugs with 11 or more claims each, at $551 in total drug cost. In 2023, CMS named 13 claims across 1 drug.
Dr. Zhang's Part D claims by kind of drug, 2024
- Generic110 claims87%
- Brand-name16 claims13%
Dr. Zhang'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. Zhang's Part D claims, 2024
- Opioids15%19 of 126 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: 132024: 74469%
Drugs named by CMS: 3 in 2024, 1 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. Andrew Zhang scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Zhang for performance year 2024, reported as part of a group. Dr. Zhang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Zhang's MIPS scores, performance year 2024
- 87of 100Final score
- 81.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Andrew Zhang has 3 publications on record
Dmand AI links 3 papers to Dr. Zhang, published from 2014 to 2022. Dr. Zhang's most frequent co-authors are Amy L. Ladd, MD and Jeffrey Yao, MD.
Dr. Zhang's most frequent co-authors
Recent publications by Dr. Zhang
G3 (Bethesda)
See who Dr. Zhang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zhang works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Andrew Zhang received $743 in industry payments from 2019 to 2025
CMS Open Payments shows 33 general payments to Dr. Zhang from 12 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Myovant Sciences Inc. paid the most, $196.
General payments to Dr. Zhang by program year, 2019 to 2025
Companies that paid Dr. Zhang the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Andrew Zhang graduated from Cleveland Medical College, Homeopathic
Dr. Zhang graduated from Cleveland Medical College, Homeopathic in 2014.
- Medical school
- Board certified in radiation oncology
Source: Dmand AI Professional Profile Data
Dr. Andrew Zhang accepts plans from 10 insurance carriers
Dr. Zhang is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- +2 more carriersWith a free account
Plan types Dr. Zhang accepts, by number of carriers
- Medicare8
- PPO8
- HMO4
- POS4
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Andrew Zhang'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Andrew Zhang
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. Andrew Zhang's NPI number?
Dr. Andrew Zhang's NPI number is 1821417627. It was assigned on April 9, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew Zhang?
Dr. Andrew Zhang is a radiation oncologist in Stockton, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Andrew Zhang practice?
Dr. Zhang practices at 7373 West Ln, Stockton, CA 95210. Dr. Zhang's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Dr. Zhang to 2 group practices and clinics and 1 medical group.
What is Dr. Andrew Zhang's office phone number?
The practice phone on file for Dr. Zhang is (209) 476-2000.
What is Dr. Andrew Zhang's medical license number?
Dr. Zhang holds California license A159856, one of the licenses on file in 4 states.
Which states has Dr. Andrew Zhang been licensed in?
Dmand AI has state licenses on file for Dr. Zhang in California (2018 to 2026), Connecticut (2019 to 2021), New Jersey (2017 to 2019) and Ohio (2014 to 2015).
Which hospitals is Dr. Andrew Zhang affiliated with?
Dr. Zhang is affiliated with MemorialCare Saddleback Medical Center.
What medical group is Dr. Andrew Zhang part of?
Dr. Zhang is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Zhang to 1 more medical group.
Does Dr. Andrew Zhang accept Medicare?
Yes. CMS data shows Dr. Zhang billed Medicare for 1,547 services in 2024, and Dr. Zhang accepts Medicare assignment.
What is Dr. Andrew Zhang's MIPS score?
Dr. Zhang's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Andrew Zhang see?
CMS counts 187 Medicare patients who saw Dr. Zhang in 2024, with an average age of 75.
Is Dr. Andrew Zhang board certified?
Yes. Dr. Zhang is board certified in radiation oncology by the American Board of Radiology.
What services does Dr. Andrew Zhang bill to Medicare?
In 2024, Dr. Zhang's most billed Medicare services were radiation oncology (77014), radiation oncology (77427) and office visit, established patient (99213).
Where did Dr. Andrew Zhang go to medical school?
Dr. Zhang graduated from Cleveland Medical College, Homeopathic in 2014.
What drugs does Dr. Andrew Zhang prescribe most?
In 2024 Medicare Part D data, Dr. Zhang's most prescribed drugs by claims were Tamsulosin HCl, Hydrocodone-Acetaminophen and Lidocaine HCl Viscous.
Has Dr. Andrew Zhang received payments from drug or device companies?
CMS Open Payments shows $743 in general payments to Dr. Zhang from 12 companies from 2019 to 2025. The largest total came from Myovant Sciences Inc.
How long has Dr. Andrew Zhang been practicing?
Dr. Zhang graduated from medical school in 2014, 12 years ago.
Does Dr. Andrew Zhang do research?
Dmand AI links 3 publications to Dr. Zhang, published from 2014 to 2022.
Who does Dr. Andrew Zhang publish with?
Dr. Zhang's most frequent co-authors are Amy L. Ladd, MD (1 shared paper) and Jeffrey Yao, MD (1 shared paper).
What insurance does Dr. Andrew Zhang accept?
Dr. Zhang is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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