Attitude of Health PersonnelBiliary Tract DiseasesClinical Competence
Dr. Blake I. Wachi, MD
NPI1912393786PAC ID9032498431
- Medicare services, 2024
- 147
- Medicare patients, 2024
- 130
- Part D claims, 2023
- 16
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 1100 9th Ave, Seattle, WA 98101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Virginia Mason Medical Center - HOPD
Acute Care Hospital outpatient department · Seattle, Washington
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Dr. Blake I. Wachi is a general surgeon in Seattle, Washington
Dr. Wachi practices at Virginia Mason Medical Center - HOPD in Seattle, Washington.
Dr. Wachi's NPI, 1912393786, was assigned on April 8, 2015. Dr. Wachi graduated from Medical College of Wisconsin in 2015. Dr. Wachi holds Washington license MD61069178.
NPI and contact details
- NPI
- 1912393786NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032498431
- NPI enumeration date
- April 8, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Blake I. Wachi practices at Virginia Mason Medical Center - HOPD in Seattle, Washington
Dr. Wachi's primary practice is Virginia Mason Medical Center - HOPD, at 1100 9th Ave, Seattle, WA 98101.
- Virginia Mason Medical Center - HOPD1100 9th Ave, Seattle, WA 98101
Source: Dmand AI Affiliation Data
Dr. Blake I. Wachi is affiliated with 4 sites of care and 1 medical group
Dr. Wachi's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Dr. Wachi is also affiliated with Virginia Mason Medical Center. The medical group on file is Virginia Mason Medical Center. Dmand AI also links Dr. Wachi to 1 more imaging center and 1 ambulatory surgery center, each named with a free account. Dr. Wachi's employer is on file too: a hospital.
Virginia Mason Medical Center - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Blake I. Wachi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wachi practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Virginia Mason Medical Center - HOPD | 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. Blake I. Wachi is one of 642 general surgeons in Washington
Surgery is Dr. Wachi's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Wachi is licensed in Washington.
Specialties and state licenses
- Surgery, WashingtonPrimary
General surgeons near Dr. Wachi
Counts of general surgeons 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. Blake I. Wachi billed Medicare for 147 services in 2024
CMS data shows 147 Medicare services from Dr. Wachi across 7 procedure codes in 2024, for 130 Medicare patients. Medicare paid $24,390 for them.
Medicare services, 2024147
Medicare patients130
Paid by Medicare$24,390
Procedure codes7
Dr. Wachi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1292024: 1301%
- Surgery
- 2023: 182024: 176%
Where Dr. Wachi's Medicare services took place, 2024
- In an office6846%
- In a facility7954%
Dr. Wachi compared with the Washington median for general surgeons, 2024
- Dr. Wachi
- Washington median
- Medicare services
- 147vs 9260% above
- Medicare patients
- 130vs 8848% above
- Part D claims
- 16vs 3352% below
Medians across 610 general surgeons in Washington with Dmand AI profiles that report each measure.
Dr. Wachi'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wachi and other general surgeons in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Blake I. Wachi treated 130 Medicare patients in 2024, average age 75
CMS counts 130 Medicare patients who saw Dr. Wachi in 2024. The largest group is 65 to 74, with 64 patients. 62% of them have high blood pressure, and 62% have high cholesterol. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wachi's median patient age at 69, with 42% women.
Medicare patients, 2024130
Average age75
Average risk score1.27
Dr. Wachi's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Wachi's Medicare patients by sex, 2024
- Women4132%
- Men8968%
Chronic conditions among Dr. Wachi's Medicare patients, 2024
- High blood pressure62%
- High cholesterol62%
- Arthritis43%
- Mood disorders29%
- Depression27%
- Atrial fibrillation22%
- Ischemic heart disease22%
- Cancer21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wachi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women42%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Blake I. Wachi wrote 16 Medicare Part D claims in 2023
In 2023, Dr. Wachi wrote 16 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $34 in total drug cost. In 2022, CMS named 37 claims across 2 drugs.
Part D claims, 202316
Drugs named by CMS1
Total drug cost$34
Dr. Wachi'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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 372023: 1657%
Drugs named by CMS: 1 in 2023, 2 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Blake I. Wachi ranks in the 92nd percentile for hernia repair (minimally invasive) in Medicare
Dr. Wachi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wachi as offering telehealth. CMS counts 24 procedures of hernia repair (minimally invasive) by Dr. Wachi, more than 92% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Wachi ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 92nd percentile24 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Blake I. Wachi has 1 publication on record
Dmand AI links 1 paper to Dr. Wachi in 2015. Dr. Wachi's most frequent co-authors are Kathleen K. Christians, MD, John Thomas Miura, MD and Ann B. Nattinger, MD.
Papers1
Dr. Wachi's most frequent co-authors
- Kathleen K. Christians, MD1 shared paper
- John Thomas Miura, MD1 shared paper
- Ann B. Nattinger, MD1 shared paper
Recent publications by Dr. Wachi
See who Dr. Wachi researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wachi works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Blake I. Wachi received $22,609 in industry payments from 2021 to 2025
CMS Open Payments shows 21 general payments to Dr. Wachi from 3 drug and device companies from 2021 to 2025. Education make up the largest share, 97% of the total. Intuitive Surgical, Inc. paid the most, $21,882.
General payments to Dr. Wachi by program year, 2021 to 2025
General payments to Dr. Wachi by kind, 2021 to 2025
$22.6Kin total
- Education$21,94297%
- Food and beverage$6673%
Companies that paid Dr. Wachi the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Blake I. Wachi graduated from Medical College of Wisconsin
Dr. Wachi graduated from Medical College of Wisconsin in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Blake I. Wachi'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 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)Doctors and Clinicians Utilization Data (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) |
| 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. Blake I. Wachi
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. Blake I. Wachi's NPI number?
Dr. Blake I. Wachi's NPI number is 1912393786. It was assigned on April 8, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Blake I. Wachi?
Dr. Blake I. Wachi is a general surgeon in Seattle, Washington. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Blake I. Wachi practice?
Dr. Wachi practices at 1100 9th Ave, Seattle, WA 98101. Dr. Wachi's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Dmand AI also links Dr. Wachi to 1 imaging center and 1 ambulatory surgery center.
What is Dr. Blake I. Wachi's medical license number?
Dr. Wachi holds Washington license MD61069178.
Which hospitals is Dr. Blake I. Wachi affiliated with?
Dr. Wachi is affiliated with Virginia Mason Medical Center.
What medical group is Dr. Blake I. Wachi part of?
Dr. Wachi is linked to Virginia Mason Medical Center.
Does Dr. Blake I. Wachi accept Medicare?
Yes. CMS data shows Dr. Wachi billed Medicare for 147 services in 2024, and Dr. Wachi accepts Medicare assignment.
Does Dr. Blake I. Wachi offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Wachi as offering telehealth services.
How many Medicare patients does Dr. Blake I. Wachi see?
CMS counts 130 Medicare patients who saw Dr. Wachi in 2024, with an average age of 75.
What services does Dr. Blake I. Wachi bill to Medicare?
In 2024, Dr. Wachi's most billed Medicare services were office visit, new patient (99205), hospital inpatient care (99223) and office visit, new patient (99204).
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Where did Dr. Blake I. Wachi go to medical school?
Dr. Wachi graduated from Medical College of Wisconsin in 2015.
What drugs does Dr. Blake I. Wachi prescribe most?
In 2023 Medicare Part D data, Dr. Wachi's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Blake I. Wachi received payments from drug or device companies?
CMS Open Payments shows $22,609 in general payments to Dr. Wachi from 3 companies from 2021 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Blake I. Wachi been practicing?
Dr. Wachi graduated from medical school in 2015, 11 years ago.
Does Dr. Blake I. Wachi do research?
Dmand AI links 1 publication to Dr. Wachi.
Who does Dr. Blake I. Wachi publish with?
Dr. Wachi's most frequent co-authors are Kathleen K. Christians, MD (1 shared paper), John Thomas Miura, MD (1 shared paper) and Ann B. Nattinger, MD (1 shared paper).
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