Dr. Haojun Zhang, MD
- Medicare services, 2024
- 282
- Medicare patients, 2024
- 260
- Part D claims, 2022
- 18
- Hospital affiliations
- 4
- Industry payments
- $73
- Practice address
- 202 North Division Street Plaza One, Auburn, WA 98001
- Practice phone
- Call (253) 833-7711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Haojun Zhang is an internist in Auburn, Washington
Dr. Zhang practices at MultiCare Auburn Medical Center in Auburn, Washington, part of MultiCare Health System.
Dr. Zhang's NPI, 1235766460, was assigned on March 26, 2020. Dr. Zhang graduated from University of Washington School of Medicine in 2020. Dr. Zhang holds Washington license MD61431721.
- NPI
- 1235766460NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042632580
- NPI enumeration date
- March 26, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (253) 833-7711
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Haojun Zhang practices at MultiCare Auburn Medical Center in Auburn, Washington
Dr. Zhang's primary practice is MultiCare Auburn Medical Center, at 202 North Division Street Plaza One, Auburn, WA 98001 in King County. The practice phone is (253) 833-7711.
- MultiCare Auburn Medical Center202 North Division Street Plaza One, Auburn, WA 98001 · King CountyPhone(253) 833-7711
Source: Dmand AI Affiliation Data
Dr. Haojun Zhang is affiliated with 4 sites of care and 1 medical group
Dr. Zhang's primary practice is MultiCare Auburn Medical Center in Auburn, Washington, part of MultiCare Health System. Dr. Zhang is also affiliated with MultiCare Tacoma General Hospital. The medical group on file is Sound Physicians. Dmand AI also links Dr. Zhang to 2 more hospitals, 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. Haojun Zhang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhang practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MultiCare Auburn Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Haojun Zhang is one of 2,689 internists in Washington
Internal medicine is Dr. Zhang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Zhang is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
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. Haojun Zhang billed Medicare for 282 services in 2024
CMS data shows 282 Medicare services from Dr. Zhang across 3 procedure codes in 2024, for 260 Medicare patients. Medicare paid $36,220 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
- Office and hospital visits
- 2023: 792024: 282257%
Dr. Zhang compared with the Washington median for internists, 2024
- Dr. Zhang
- Washington median
- Medicare services
- 282vs 36423% below
- Medicare patients
- 260vs 16558% above
- Part D claims
- 18vs 18290% below
Medians across 2,604 internists in Washington 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Haojun Zhang treated 260 Medicare patients in 2024, average age 76
CMS counts 260 Medicare patients who saw Dr. Zhang in 2024. The largest group is 75 to 84, with 82 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.06, 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 66, with 54% women.
Dr. Zhang's Medicare patients by age, 2024
Dr. Zhang's Medicare patients by sex, 2024
- Women13853%
- Men12247%
Chronic conditions among Dr. Zhang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Chronic kidney disease45%
- Heart failure43%
- Diabetes42%
- Mood disorders41%
- Ischemic heart disease40%
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 66
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Haojun Zhang wrote 18 Medicare Part D claims in 2022
In 2022, Dr. Zhang wrote 18 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $52 in total drug cost.
Dr. Zhang's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Haojun 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)
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Dr. Haojun Zhang received $73 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Dr. Zhang from 1 drug or device company from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $73.
General payments to Dr. Zhang by program year, 2024 to 2025
Companies that paid Dr. Zhang the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Haojun Zhang graduated from University of Washington School of Medicine
Dr. Zhang graduated from University of Washington School of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Haojun 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) |
| 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 |
| 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. Haojun 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. Haojun Zhang's NPI number?
Dr. Haojun Zhang's NPI number is 1235766460. It was assigned on March 26, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Haojun Zhang?
Dr. Haojun Zhang is an internist in Auburn, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Haojun Zhang practice?
Dr. Zhang practices at 202 North Division Street Plaza One, Auburn, WA 98001. Dr. Zhang's primary practice is MultiCare Auburn Medical Center in Auburn, Washington, part of MultiCare Health System. Dmand AI also links Dr. Zhang to 2 hospitals.
What is Dr. Haojun Zhang's office phone number?
The practice phone on file for Dr. Zhang is (253) 833-7711.
What is Dr. Haojun Zhang's medical license number?
Dr. Zhang holds Washington license MD61431721.
Which hospitals is Dr. Haojun Zhang affiliated with?
Dr. Zhang practices at MultiCare Auburn Medical Center in Auburn, Washington. Dr. Zhang is also affiliated with MultiCare Tacoma General Hospital. Dmand AI links Dr. Zhang to 2 more hospitals.
What medical group is Dr. Haojun Zhang part of?
Dr. Zhang is linked to Sound Physicians.
Does Dr. Haojun Zhang accept Medicare?
Yes. CMS data shows Dr. Zhang billed Medicare for 282 services in 2024, and Dr. Zhang accepts Medicare assignment.
How many Medicare patients does Dr. Haojun Zhang see?
CMS counts 260 Medicare patients who saw Dr. Zhang in 2024, with an average age of 76.
What services does Dr. Haojun Zhang bill to Medicare?
In 2024, Dr. Zhang's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99222) and critical care (99291).
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Where did Dr. Haojun Zhang go to medical school?
Dr. Zhang graduated from University of Washington School of Medicine in 2020.
What drugs does Dr. Haojun Zhang prescribe most?
In 2022 Medicare Part D data, Dr. Zhang's most prescribed drugs by claims were Furosemide.
Has Dr. Haojun Zhang received payments from drug or device companies?
CMS Open Payments shows $73 in general payments to Dr. Zhang from 1 company from 2024 to 2025. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).
How long has Dr. Haojun Zhang been practicing?
Dr. Zhang graduated from medical school in 2020, 6 years ago.
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