Dr. Rui-Tao Zhang, MD
- Medicare services, 2023
- 18
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 50
- Hospital affiliations
- 1
- Industry payments
- $241
- Practice address
- 4501 Sand Creek Road, Antioch, CA 94531
- Practice phone
- Call (925) 813-6500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Rui-Tao Zhang is an internist in Antioch, California
Dr. Zhang practices at Antioch Medical Center in Antioch, California, part of Kaiser Permanente.
Dr. Zhang's NPI, 1669893384, was assigned on December 23, 2013. Dr. Zhang graduated from Rush Medical College in 2012. Dr. Zhang holds California license A128943.
- NPI
- 1669893384NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688986763
- NPI enumeration date
- December 23, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 813-6500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rui-Tao Zhang practices at Antioch Medical Center in Antioch, California
Dr. Zhang's primary practice is Antioch Medical Center, at 4501 Sand Creek Road, Antioch, CA 94531 in Contra Costa County. The practice phone is (925) 813-6500.
- Antioch Medical Center4501 Sand Creek Road, Antioch, CA 94531 · Contra Costa CountyPhone(925) 813-6500
Source: Dmand AI Affiliation Data
Dr. Rui-Tao Zhang is affiliated with 1 site of care and 1 medical group
Dr. Zhang's primary practice is Antioch Medical Center in Antioch, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rui-Tao Zhang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Antioch Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Rui-Tao Zhang is one of 16,751 internists in California
Internal medicine is Dr. Zhang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Zhang is board certified in internal medicine by the American Board of Internal Medicine. Dr. Zhang is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists kidney failure, lung disease: COPD, asthma or bronchitis and sepsis among the conditions Dr. Zhang treats.
Internists near Dr. Zhang
Counts of internists 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. Rui-Tao Zhang billed Medicare for 18 services in 2023
CMS data shows 18 Medicare services from Dr. Zhang across 1 procedure code in 2023, for 13 Medicare patients. Medicare paid $1,263 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Zhang's Medicare services by type, 2018 to 2023
- 2018
- 2023
- Office and hospital visits
- 2018: 902023: 1880%
Dr. Zhang compared with the California median for internists, 2023
- Dr. Zhang
- California median
- Medicare services
- 18vs 36195% below
- Medicare patients
- 13vs 15191% below
- Part D claims
- 11vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Zhang's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Zhang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zhang and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rui-Tao Zhang treated 13 Medicare patients in 2024, average age 66
CMS counts 13 Medicare patients who saw Dr. Zhang in 2024. Their average risk score is 4.48, 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. Zhang's median patient age at 71, with 56% women.
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 71
Patient panel by sex, all payers
- Women56%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rui-Tao Zhang wrote 50 Medicare Part D claims in 2024
In 2024, Dr. Zhang wrote 50 Medicare Part D claims for 27 patients. 86% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $119 in total drug cost. In 2022, CMS named 78 claims across 5 drugs.
Dr. Zhang's Part D claims by kind of drug, 2024
- Generic43 claims86%
- Brand-name and other7 claims14%
Dr. Zhang's most prescribed drugs by claims, 2023
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
- Antibiotics24%12 of 50 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 782023: 1186%
Drugs named by CMS: 1 in 2023, 5 in 2022.
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. Rui-Tao Zhang takes part in Medicare
Dr. Zhang 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Rui-Tao Zhang received $241 in industry payments in 2016
CMS Open Payments shows 4 general payments to Dr. Zhang from 2 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $131.
Companies that paid Dr. Zhang the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rui-Tao Zhang graduated from Rush Medical College
Dr. Zhang graduated from Rush Medical College in 2012.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Rui-Tao Zhang accepts plans from 2 insurance carriers
Dr. Zhang is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Zhang accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Rui-Tao 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 | 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. Rui-Tao 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. Rui-Tao Zhang's NPI number?
Dr. Rui-Tao Zhang's NPI number is 1669893384. It was assigned on December 23, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Rui-Tao Zhang?
Dr. Rui-Tao Zhang is an internist in Antioch, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Rui-Tao Zhang practice?
Dr. Zhang practices at 4501 Sand Creek Road, Antioch, CA 94531. Dr. Zhang's primary practice is Antioch Medical Center in Antioch, California, part of Kaiser Permanente.
What is Dr. Rui-Tao Zhang's office phone number?
The practice phone on file for Dr. Zhang is (925) 813-6500.
What is Dr. Rui-Tao Zhang's medical license number?
Dr. Zhang holds California license A128943.
Which hospitals is Dr. Rui-Tao Zhang affiliated with?
Dr. Zhang practices at Antioch Medical Center in Antioch, California.
What medical group is Dr. Rui-Tao Zhang part of?
Dr. Zhang is linked to The Permanente Medical Group, Inc.
Does Dr. Rui-Tao Zhang accept Medicare?
Yes. CMS data shows Dr. Zhang billed Medicare for 18 services in 2023, and Dr. Zhang accepts Medicare assignment.
How many Medicare patients does Dr. Rui-Tao Zhang see?
CMS counts 13 Medicare patients who saw Dr. Zhang in 2024, with an average age of 66.
Is Dr. Rui-Tao Zhang board certified?
Yes. Dr. Zhang is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Rui-Tao Zhang bill to Medicare?
In 2023, Dr. Zhang's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. Rui-Tao Zhang go to medical school?
Dr. Zhang graduated from Rush Medical College in 2012.
What drugs does Dr. Rui-Tao Zhang prescribe most?
In 2023 Medicare Part D data, Dr. Zhang's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. Rui-Tao Zhang received payments from drug or device companies?
CMS Open Payments shows $241 in general payments to Dr. Zhang from 2 companies from 2016 to 2016. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Dr. Rui-Tao Zhang been practicing?
Dr. Zhang graduated from medical school in 2012, 14 years ago.
What insurance does Dr. Rui-Tao Zhang accept?
Dr. Zhang is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card