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Dr. Di Zhao, MD
NPI1922281617PAC ID9830267178
- Medicare services, 2024
- 1,489
- Medicare patients, 2024
- 491
- Part D claims, 2024
- 1,644
- Publications
- 21
- Hospital affiliations
- 3
- Practice address
- 3401 S 19th Street, Tacoma, WA 98405
- Practice phone
- Call (253) 573-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
DaVita Tacoma Dialysis Center
Dialysis Center - Independent · Tacoma, Washington
Find Dr. Zhao's professional email, personal email and mobile number
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Dr. Di Zhao is a nephrologist in Tacoma, Washington
Dr. Zhao practices at DaVita Tacoma Dialysis Center in Tacoma, Washington.
Dr. Zhao's NPI, 1922281617, was assigned on December 17, 2007. Dr. Zhao holds Washington license MD60218136.
NPI and contact details
- NPI
- 1922281617NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830267178
- NPI enumeration date
- December 17, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (253) 573-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Di Zhao practices at DaVita Tacoma Dialysis Center in Tacoma, Washington
Dr. Zhao's primary practice is DaVita Tacoma Dialysis Center, at 3401 S 19th Street, Tacoma, WA 98405 in Pierce County. The practice phone is (253) 573-1600.
- DaVita Tacoma Dialysis Center3401 S 19th Street, Tacoma, WA 98405 · Pierce CountyPhone(253) 573-1600
Source: Dmand AI Affiliation Data
Dr. Di Zhao is affiliated with 9 sites of care and 1 medical group
Dr. Zhao's primary practice is DaVita Tacoma Dialysis Center in Tacoma, Washington. Dr. Zhao is also affiliated with MultiCare Tacoma General Hospital. The medical group on file is Pacific Nephrology Associates. Dmand AI also links Dr. Zhao to 2 more hospitals, 4 dialysis centers and 1 group practice or clinic, each named with a free account.
DaVita Tacoma Dialysis CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Di Zhao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhao practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| DaVita Tacoma Dialysis Center | Available with a free account |
| +8 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Di Zhao is one of 225 nephrologists in Washington
Nephrology is Dr. Zhao's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Zhao's licenses on file in 2 states: Washington and Connecticut.
Specialties and state licenses
- Nephrology, WashingtonPrimary
- Internal medicine, Connecticut
Nephrologists near Dr. Zhao
Counts of nephrologists 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. Di Zhao billed Medicare for 1,489 services in 2024
CMS data shows 1,489 Medicare services from Dr. Zhao across 14 procedure codes in 2024, for 491 Medicare patients. Medicare paid $161,645 for them.
Medicare services, 20241,489
Medicare patients491
Paid by Medicare$161,645
Procedure codes14
Dr. Zhao's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,4002024: 1,12120%
- Tests and treatments
- 2023: 4052024: 35014%
- Other services
- 2023: 02024: 18
Where Dr. Zhao's Medicare services took place, 2024
- In an office74250%
- In a facility74750%
Dr. Zhao compared with the Washington median for nephrologists, 2024
- Dr. Zhao
- Washington median
- Medicare services
- 1,489vs 7032.1 times
- Medicare patients
- 491vs 2102.3 times
- Part D claims
- 1,352vs 6762.0 times
Medians across 217 nephrologists in Washington with Dmand AI profiles that report each measure.
Dr. Zhao'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.
Need commercial claims for Dr. Zhao?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zhao and other nephrologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Di Zhao treated 491 Medicare patients in 2024, average age 73
CMS counts 491 Medicare patients who saw Dr. Zhao in 2024. The largest group is 75 to 84, with 180 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 22% are also on Medicaid. Their average risk score is 4.29, 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. Zhao's median patient age at 74, with 47% women.
Medicare patients, 2024491
Average age73
Average risk score4.29
Also on Medicaid22%
Dr. Zhao's Medicare patients by age, 2024
Dr. Zhao's Medicare patients by sex, 2024
- Women22947%
- Men26253%
Chronic conditions among Dr. Zhao's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes58%
- Heart failure58%
- Ischemic heart disease51%
- Arthritis48%
- Atrial fibrillation41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zhao'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
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Di Zhao wrote 1,644 Medicare Part D claims in 2024
In 2024, Dr. Zhao wrote 1,644 Medicare Part D claims for 230 patients. 88% of them were for generic drugs. CMS names the drug for 1,352 of them, across 30 drugs with 11 or more claims each, at $213,525 in total drug cost. In 2023, CMS named 1,650 claims across 37 drugs.
Part D claims, 20241,644
Drugs named by CMS30
Total drug cost$213,525
Part D patients230
Dr. Zhao's Part D claims by kind of drug, 2024
- Generic1,441 claims88%
- Brand-name203 claims12%
Dr. Zhao'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. Zhao's Part D claims, 2024
- Antibiotics3%47 of 1,644 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: 1,6502024: 1,35218%
Drugs named by CMS: 30 in 2024, 37 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. Di Zhao offers telehealth to Medicare patients
Dr. Zhao accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zhao as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Di Zhao has 21 publications on record
Dmand AI links 21 papers to Dr. Zhao, published from 2015 to 2025. 2018 was the busiest year, with 4. The most frequent topics are Cell Line, Tumor, Prostatic Neoplasms and Gene Expression Regulation, Neoplastic. Dr. Zhao has published most often in Nat Commun. Dr. Zhao's most frequent co-authors are Peiwen Chen, MD, Ana M. Aparicio and Andrew Ray Tren Chang, MD.
Papers21
Years published2015 to 2025
Dr. Zhao's papers by year, 2015 to 2025
Topics Dr. Zhao writes about most
- Cell Line, Tumor
- Prostatic Neoplasms
- Gene Expression Regulation, Neoplastic
- DNA-Binding Proteins
- Bone Neoplasms
- Carcinoma, Pancreatic Ductal
- Cell Cycle Proteins
- Disease Progression
Dr. Zhao's most frequent co-authors
- Peiwen Chen, MD5 shared papers
- Ana M. Aparicio3 shared papers
- Andrew Ray Tren Chang, MD3 shared papers
Recent publications by Dr. Zhao
Bone NeoplasmsCell DifferentiationCell Line, Tumor
Androgen AntagonistsAndrogensCell Line, Tumor
Cell Line, TumorDisease ProgressionProstatic Neoplasms
See who Dr. Zhao researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zhao works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Di Zhao received $551 in industry payments from 2016 to 2025
CMS Open Payments shows 15 general payments to Dr. Zhao from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Alexion Pharmaceuticals, Inc. paid the most, $212.
General payments to Dr. Zhao by program year, 2016 to 2025
Companies that paid Dr. Zhao the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Di Zhao'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) |
| 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) |
| 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. Di Zhao
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. Di Zhao's NPI number?
Dr. Di Zhao's NPI number is 1922281617. It was assigned on December 17, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Di Zhao?
Dr. Di Zhao is a nephrologist in Tacoma, Washington. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Di Zhao practice?
Dr. Zhao practices at 3401 S 19th Street, Tacoma, WA 98405. Dr. Zhao's primary practice is DaVita Tacoma Dialysis Center in Tacoma, Washington. Dmand AI also links Dr. Zhao to 2 hospitals, 4 dialysis centers and 1 group practice or clinic.
What is Dr. Di Zhao's office phone number?
The practice phone on file for Dr. Zhao is (253) 573-1600.
What is Dr. Di Zhao's medical license number?
Dr. Zhao holds Washington license MD60218136, one of the licenses on file in 2 states.
Which states has Dr. Di Zhao been licensed in?
Dmand AI has state licenses on file for Dr. Zhao in Washington and Connecticut.
Which hospitals is Dr. Di Zhao affiliated with?
Dr. Zhao is affiliated with MultiCare Tacoma General Hospital. Dmand AI links Dr. Zhao to 2 more hospitals.
What medical group is Dr. Di Zhao part of?
Dr. Zhao is linked to Pacific Nephrology Associates.
Does Dr. Di Zhao accept Medicare?
Yes. CMS data shows Dr. Zhao billed Medicare for 1,489 services in 2024, and Dr. Zhao accepts Medicare assignment.
Does Dr. Di Zhao offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Zhao as offering telehealth services.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Di Zhao see?
CMS counts 491 Medicare patients who saw Dr. Zhao in 2024, with an average age of 73.
What services does Dr. Di Zhao bill to Medicare?
In 2024, Dr. Zhao's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and hospital inpatient care (99232).
What drugs does Dr. Di Zhao prescribe most?
In 2024 Medicare Part D data, Dr. Zhao's most prescribed drugs by claims were Calcitriol, Amlodipine Besylate and Hydralazine HCl.
Has Dr. Di Zhao received payments from drug or device companies?
CMS Open Payments shows $551 in general payments to Dr. Zhao from 10 companies from 2016 to 2025. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Dr. Di Zhao been practicing?
Dr. Zhao graduated from medical school in 1993, 33 years ago.
Does Dr. Di Zhao do research?
Dmand AI links 21 publications to Dr. Zhao, published from 2015 to 2025.
Who does Dr. Di Zhao publish with?
Dr. Zhao's most frequent co-authors are Peiwen Chen, MD (5 shared papers), Ana M. Aparicio (3 shared papers) and Andrew Ray Tren Chang, MD (3 shared papers).
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