Seiko D. Yamada

  • Arlington Heights, IL
  • Gynecologic oncologist
NPI1275561409PAC ID6406821255
Medicare services, 2024
70
Medicare patients, 2024
78
Part D claims, 2024
68
Hospital affiliations
2
Industry payments
$1,403
Practice address
800 W Central Road, Arlington Heights, IL 60005
Practice phone
Call (847) 618-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Northwest Community Hospital

Hospital · Arlington Heights, Illinois

See all 7 affiliations

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Seiko D. Yamada is a gynecologic oncologist in Arlington Heights, Illinois

Seiko Yamada practices at Northwest Community Hospital in Arlington Heights, Illinois, part of Endeavor Health.

Seiko Yamada's NPI, 1275561409, was assigned on June 28, 2006. Seiko Yamada graduated from University of California, Geffen School of Medicine in 1991. Seiko Yamada holds Illinois license 036100832.

NPI and contact details
Medicare PAC ID
6406821255
NPI enumeration date
June 28, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(847) 618-1000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
61
Medical school graduation
1991

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

Seiko D. Yamada practices at Northwest Community Hospital in Arlington Heights, Illinois

Seiko Yamada's primary practice is Northwest Community Hospital, at 800 W Central Road, Arlington Heights, IL 60005 in Cook County. The practice phone is (847) 618-1000.

Source: Dmand AI Affiliation Data

Seiko D. Yamada is affiliated with 3 sites of care and 4 medical groups

Seiko Yamada's primary practice is Northwest Community Hospital in Arlington Heights, Illinois, part of Endeavor Health. Seiko Yamada is also affiliated with University of Chicago Medical Center. The medical group on file is Endeavor Health Medical Group. Dmand AI also links Seiko Yamada to 3 more medical groups and 1 hospital outpatient department, each named with a free account.

See all 7 affiliations for Seiko Yamada

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

Dmand AI tracks the EHR system at Seiko D. Yamada's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Seiko Yamada practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwest Community HospitalAvailable with a free account
+2 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Seiko D. Yamada is one of 70 gynecologic oncologists in Illinois

Gynecologic oncology is Seiko Yamada's primary specialty in the NPI Registry, under taxonomy code 207VX0201X. Seiko Yamada is licensed in Illinois.

Specialties and state licenses

  • Gynecologic oncology, IllinoisPrimaryLicense 036100832 · taxonomy 207VX0201X

Gynecologic oncologists near Seiko Yamada

Counts of gynecologic 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

Seiko D. Yamada billed Medicare for 70 services in 2024

CMS data shows 70 Medicare services from Seiko Yamada across 2 procedure codes in 2024, all of them office visits, for 78 Medicare patients. Medicare paid $5,815 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202470
Medicare patients78
Paid by Medicare$5,815
Procedure codes2

Seiko Yamada's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3402024: 7079%

Seiko Yamada compared with the Illinois median for gynecologic oncologists, 2024

  • Seiko Yamada
  • Illinois median
Medicare services
70vs 21267% below
Medicare patients
78vs 13241% below
Part D claims
22vs 3435% below

Medians across 71 gynecologic oncologists in Illinois with Dmand AI profiles that report each measure.

Seiko Yamada'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 Seiko Yamada

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

Seiko D. Yamada treated 78 Medicare patients in 2024, average age 72

CMS counts 78 Medicare patients who saw Seiko Yamada in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.11, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Seiko Yamada's median patient age at 66, with 99% women.

Medicare patients, 202478
Average age72
Average risk score2.11
Also on Medicaid18%

Seiko Yamada's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Seiko Yamada's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol69%
  3. Cancer60%
  4. Arthritis42%
  5. Anxiety35%
  6. Diabetes28%
  7. Mood disorders28%
  8. Depression26%

Share of Medicare patients with each condition. A patient can have several.

Seiko Yamada'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

  • Women99%
  • Men0%

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

Seiko D. Yamada wrote 68 Medicare Part D claims in 2024

In 2024, Seiko Yamada wrote 68 Medicare Part D claims for 18 patients. 78% of them were for generic drugs. CMS names the drug for 22 of them, across 2 drugs with 11 or more claims each, at $269 in total drug cost. In 2021, CMS named 33 claims across 1 drug.

Part D claims, 202468
Drugs named by CMS2
Total drug cost$269
Part D patients18

Seiko Yamada's Part D claims by kind of drug, 2024

  • Generic53 claims78%
  • Brand-name and other15 claims22%

Seiko Yamada'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.

Part D claims for drugs CMS names, 2021 to 2023

  • 2021
  • 2023
Claims for drugs CMS names
2021: 332023: 2233%

Drugs named by CMS: 2 in 2023, 1 in 2021.

See all prescribing by Seiko Yamada

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

Seiko D. Yamada ranks in the 90th percentile for removal of the uterus in Medicare

Seiko Yamada accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Seiko Yamada as offering telehealth. CMS counts 16 procedures of removal of the uterus by Seiko Yamada, more than 90% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Seiko Yamada ranks in Medicare procedure volume

Removal of the uterus
90th percentile16 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Seiko D. Yamada received $1,403 in industry payments from 2017 to 2024

CMS Open Payments shows 7 general payments to Seiko Yamada from 5 drug and device companies from 2017 to 2024. Speaker and faculty fees make up the largest share, 71% of the total. Pacira Pharmaceuticals Incorporated paid the most, $1,100.

General payments to Seiko Yamada by program year, 2017 to 2024

General payments to Seiko Yamada by kind, 2017 to 2024

$1.4Kin total
  • Speaker and faculty fees$1,00071%
  • Food and beverage$30322%
  • Travel and lodging$1007%

Companies that paid Seiko Yamada the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Seiko Yamada

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

Seiko D. Yamada graduated from University of California, Geffen School of Medicine

Seiko Yamada graduated from University of California, Geffen School of Medicine in 1991.

  1. Medical schoolUniversity of California, Geffen School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Seiko D. Yamada'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)Doctors and Clinicians Utilization Data (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 Seiko D. Yamada

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Seiko D. Yamada's NPI number?

Seiko D. Yamada's NPI number is 1275561409. It was assigned on June 28, 2006, and it is active in the NPI Registry.

What does Seiko D. Yamada specialize in?

Seiko D. Yamada is a gynecologic oncologist in Arlington Heights, Illinois. The primary specialty in the NPI Registry is Gynecologic Oncology Physician (taxonomy code 207VX0201X).

Where does Seiko D. Yamada practice?

Seiko Yamada practices at 800 W Central Road, Arlington Heights, IL 60005. Seiko Yamada's primary practice is Northwest Community Hospital in Arlington Heights, Illinois, part of Endeavor Health. Dmand AI also links Seiko Yamada to 3 medical groups and 1 hospital outpatient department.

What is Seiko D. Yamada's office phone number?

The practice phone on file for Seiko Yamada is (847) 618-1000.

What is Seiko D. Yamada's medical license number?

Seiko Yamada holds Illinois license 036100832.

Which hospitals is Seiko D. Yamada affiliated with?

Seiko Yamada practices at Northwest Community Hospital in Arlington Heights, Illinois. Seiko Yamada is also affiliated with University of Chicago Medical Center.

What medical group is Seiko D. Yamada part of?

Seiko Yamada is linked to Endeavor Health Medical Group. Dmand AI links Seiko Yamada to 3 more medical groups.

Does Seiko D. Yamada accept Medicare?

Yes. CMS data shows Seiko Yamada billed Medicare for 70 services in 2024, and Seiko Yamada accepts Medicare assignment.

Does Seiko D. Yamada offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Seiko Yamada as offering telehealth services.

How many Medicare patients does Seiko D. Yamada see?

CMS counts 78 Medicare patients who saw Seiko Yamada in 2024, with an average age of 72.

Show 5 more questionsShow fewer questions

What services does Seiko D. Yamada bill to Medicare?

In 2024, Seiko Yamada's most billed Medicare services were office visit, established patient (99214) and office visit, new patient (99205).

Where did Seiko D. Yamada go to medical school?

Seiko Yamada graduated from University of California, Geffen School of Medicine in 1991.

What drugs does Seiko D. Yamada prescribe most?

In 2023 Medicare Part D data, Seiko Yamada's most prescribed drugs by claims were Ondansetron HCl and Prochlorperazine Maleate.

Has Seiko D. Yamada received payments from drug or device companies?

CMS Open Payments shows $1,403 in general payments to Seiko Yamada from 5 companies from 2017 to 2024. The largest total came from Pacira Pharmaceuticals Incorporated.

How long has Seiko D. Yamada been practicing?

Seiko Yamada graduated from medical school in 1991, 35 years ago.

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