Dr. Louise Zhou, MD

  • Tacoma, WA
  • Hematologist and oncologist
NPI1003075490PAC ID4385812155
Medicare services, 2024
387
Medicare patients, 2024
182
Part D claims, 2024
342
Hospital affiliations
3
Industry payments
$4,639
Practice address
315 S Mlk Jr Way, Tacoma, WA 98405
Practice phone
Call (253) 403-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

MultiCare Tacoma General Hospital

Hospital · Tacoma, Washington

See all 11 affiliations

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Dr. Louise Zhou is a hematologist and oncologist in Tacoma, Washington

Dr. Zhou practices at MultiCare Tacoma General Hospital in Tacoma, Washington, part of MultiCare Health System.

Dr. Zhou's NPI, 1003075490, was assigned on June 2, 2008. Dr. Zhou holds Washington license MD61108658.

NPI and contact details
Medicare PAC ID
4385812155
NPI enumeration date
June 2, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(253) 403-1000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
44
Medical school graduation
2008

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Louise Zhou practices at MultiCare Tacoma General Hospital in Tacoma, Washington

Dr. Zhou's primary practice is MultiCare Tacoma General Hospital, at 315 S Mlk Jr Way, Tacoma, WA 98405 in Pierce County. The practice phone is (253) 403-1000.

Source: Dmand AI Affiliation Data

Dr. Louise Zhou is affiliated with 6 sites of care and 5 medical groups

Dr. Zhou's primary practice is MultiCare Tacoma General Hospital in Tacoma, Washington, part of MultiCare Health System. Dr. Zhou is also affiliated with MultiCare Yakima Memorial Hospital. The medical group on file is MultiCare Indigo Urgent Care, Spokane, Newport Hwy. Dmand AI also links Dr. Zhou to 1 more hospital, 4 medical groups, 1 behavioral health center, 1 group practice or clinic and 1 urgent care center, each named with a free account.

See all 11 affiliations for Dr. Zhou

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Louise Zhou's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhou practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
MultiCare Tacoma General HospitalAvailable with a free account
+5 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Louise Zhou is one of 348 hematologists and oncologists in Washington

Hematology and oncology is Dr. Zhou's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Zhou is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Zhou's licenses on file in 2 states: Washington and North Carolina.

Specialties and state licenses

  • Hematology and oncology, WashingtonPrimaryLicense MD61108658 · taxonomy 207RH0003X
  • Medical oncology, North CarolinaLicense 2016-01337 · taxonomy 207RX0202X

Hematologists and oncologists near Dr. Zhou

Counts of hematologists and 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. Louise Zhou billed Medicare for 387 services in 2024

CMS data shows 387 Medicare services from Dr. Zhou across 6 procedure codes in 2024, for 182 Medicare patients. Medicare paid $31,279 for them. Every service was in an office.

Medicare services, 2024387
Medicare patients182
Paid by Medicare$31,279
Procedure codes6

Dr. Zhou's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 252024: 3871448%

Dr. Zhou compared with the Washington median for hematologists and oncologists, 2024

  • Dr. Zhou
  • Washington median
Medicare services
387vs 58534% below
Medicare patients
182vs 182Close to median
Part D claims
226vs 28320% below

Medians across 310 hematologists and oncologists in Washington 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.

See all procedures by Dr. Zhou

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Louise Zhou treated 182 Medicare patients in 2024, average age 74

CMS counts 182 Medicare patients who saw Dr. Zhou in 2024. The largest group is 75 to 84, with 77 patients. 69% of them have high cholesterol, and 68% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Zhou's median patient age at 66, with 56% women.

Medicare patients, 2024182
Average age74
Average risk score1.36
Also on Medicaid15%

Dr. Zhou's Medicare patients by age, 2024

Dr. Zhou's Medicare patients by sex, 2024

  • Women10055%
  • Men8245%

Chronic conditions among Dr. Zhou's Medicare patients, 2024

  1. High cholesterol69%
  2. High blood pressure68%
  3. Arthritis37%
  4. Diabetes35%
  5. Cancer34%
  6. Chronic kidney disease32%
  7. Mood disorders23%
  8. Depression22%

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 66

Patient panel by sex, all payers

  • Women56%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Louise Zhou wrote 342 Medicare Part D claims in 2024

In 2024, Dr. Zhou wrote 342 Medicare Part D claims for 94 patients. 89% of them were for generic drugs. CMS names the drug for 226 of them, across 10 drugs with 11 or more claims each, at $388,107 in total drug cost. In 2023, CMS named 349 claims across 11 drugs.

Part D claims, 2024342
Drugs named by CMS10
Total drug cost$388,107
Part D patients94

Dr. Zhou's Part D claims by kind of drug, 2024

  • Generic304 claims89%
  • Brand-name38 claims11%

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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3492024: 22635%

Drugs named by CMS: 10 in 2024, 11 in 2023.

See all prescribing by Dr. Zhou

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. Louise Zhou offers telehealth to Medicare patients

Dr. Zhou accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zhou as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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Dr. Louise Zhou received $4,639 in industry payments from 2016 to 2024

CMS Open Payments shows 255 general payments to Dr. Zhou from 42 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 93% of the total. Bristol-Myers Squibb Company paid the most, $611.

General payments to Dr. Zhou by program year, 2016 to 2024

General payments to Dr. Zhou by kind, 2016 to 2024

$4.6Kin total
  • Food and beverage$4,33393%
  • Education$3067%

Companies that paid Dr. Zhou the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Zhou

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Louise Zhou is board certified in internal medicine

  1. Board certified in internal medicineAmerican Board of Internal Medicine
  2. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Louise Zhou's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Louise Zhou

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. Louise Zhou's NPI number?

Dr. Louise Zhou's NPI number is 1003075490. It was assigned on June 2, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Louise Zhou?

Dr. Louise Zhou is a hematologist and oncologist in Tacoma, Washington. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Louise Zhou practice?

Dr. Zhou practices at 315 S Mlk Jr Way, Tacoma, WA 98405. Dr. Zhou's primary practice is MultiCare Tacoma General Hospital in Tacoma, Washington, part of MultiCare Health System. Dmand AI also links Dr. Zhou to 1 hospital, 4 medical groups, 1 behavioral health center, 1 group practice or clinic and 1 urgent care center.

What is Dr. Louise Zhou's office phone number?

The practice phone on file for Dr. Zhou is (253) 403-1000.

What is Dr. Louise Zhou's medical license number?

Dr. Zhou holds Washington license MD61108658, one of the licenses on file in 2 states.

Which states has Dr. Louise Zhou been licensed in?

Dmand AI has state licenses on file for Dr. Zhou in Washington and North Carolina.

Which hospitals is Dr. Louise Zhou affiliated with?

Dr. Zhou practices at MultiCare Tacoma General Hospital in Tacoma, Washington. Dr. Zhou is also affiliated with MultiCare Yakima Memorial Hospital. Dmand AI links Dr. Zhou to 1 more hospital.

What medical group is Dr. Louise Zhou part of?

Dr. Zhou is linked to MultiCare Indigo Urgent Care, Spokane, Newport Hwy. Dmand AI links Dr. Zhou to 4 more medical groups.

Does Dr. Louise Zhou accept Medicare?

Yes. CMS data shows Dr. Zhou billed Medicare for 387 services in 2024, and Dr. Zhou accepts Medicare assignment.

Does Dr. Louise Zhou offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Zhou as offering telehealth services.

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Louise Zhou see?

CMS counts 182 Medicare patients who saw Dr. Zhou in 2024, with an average age of 74.

Is Dr. Louise Zhou board certified?

Yes. Dr. Zhou is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Louise Zhou bill to Medicare?

In 2024, Dr. Zhou's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99213) and office visit, established patient (99214).

What drugs does Dr. Louise Zhou prescribe most?

In 2024 Medicare Part D data, Dr. Zhou's most prescribed drugs by claims were Prochlorperazine Maleate, Letrozole and Abiraterone Acetate.

Has Dr. Louise Zhou received payments from drug or device companies?

CMS Open Payments shows $4,639 in general payments to Dr. Zhou from 42 companies from 2016 to 2024. The largest total came from Bristol-Myers Squibb Company.

How long has Dr. Louise Zhou been practicing?

Dr. Zhou graduated from medical school in 2008, 18 years ago.

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