Dr. Anthony Z. Dash, MD
- Medicare services, 2024
- 89
- Medicare patients, 2024
- 53
- Part D claims, 2021
- 135
- Industry payments
- $355
- Affiliated sites
- 3
- Practice address
- 904 7th Ave, Seattle, WA 98104
- Practice phone
- Call (206) 329-1760
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Polyclinic - Madison Center
Seattle, Washington
Find Dr. Dash's professional email, personal email and mobile number
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Dr. Anthony Z. Dash is a nephrologist in Seattle, Washington
Dr. Dash practices at The Polyclinic - Madison Center in Seattle, Washington.
Dr. Dash's NPI, 1841285475, was assigned on September 20, 2005. Dr. Dash graduated from University of Washington School of Medicine in 1986. Dr. Dash holds Washington license MD60609653.
- NPI
- 1841285475NPI Registry (opens in a new tab)
- NPI enumeration date
- September 20, 2005
- NPI status
- Active
- Practice phone
- (206) 329-1760
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Anthony Z. Dash practices at The Polyclinic - Madison Center in Seattle, Washington
Dr. Dash's primary practice is The Polyclinic - Madison Center, at 904 7th Ave, Seattle, WA 98104 in King County. The practice phone is (206) 329-1760.
- The Polyclinic - Madison Center904 7th Ave, Seattle, WA 98104 · King CountyPhone(206) 329-1760
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Anthony Z. Dash is affiliated with 4 sites of care and 3 medical groups
Dr. Dash's primary practice is The Polyclinic - Madison Center in Seattle, Washington. The medical group on file is Swedish Health Services. Dmand AI also links Dr. Dash to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Anthony Z. Dash's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dash practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Polyclinic - Madison Center | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Anthony Z. Dash is one of 225 nephrologists in Washington
Nephrology is Dr. Dash's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Dash is licensed in Washington.
Specialties and state licenses
- Nephrology, WashingtonPrimary
Nephrologists near Dr. Dash
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. Anthony Z. Dash billed Medicare for 89 services in 2024
CMS data shows 89 Medicare services from Dr. Dash across 3 procedure codes in 2024, for 53 Medicare patients. Medicare paid $5,666 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Dash's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1722024: 7556%
- Tests and treatments
- 2023: 312024: 1455%
Dr. Dash compared with the Washington median for nephrologists, 2024
- Dr. Dash
- Washington median
- Medicare services
- 89vs 70387% below
- Medicare patients
- 53vs 21075% below
- Part D claims
- 135vs 67680% below
Medians across 217 nephrologists in Washington with Dmand AI profiles that report each measure.
Dr. Dash'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. Dash and other nephrologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Anthony Z. Dash treated 53 Medicare patients in 2024, average age 69
CMS counts 53 Medicare patients who saw Dr. Dash in 2024. The largest group is under 65, with 18 patients. 75% of them have chronic kidney disease, and 75% have heart failure. 34% are also on Medicaid. Their average risk score is 7.68, 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. Dash's median patient age at 75, with 57% women.
Dr. Dash's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Dash's Medicare patients by sex, 2024
- Women2343%
- Men3057%
Chronic conditions among Dr. Dash's Medicare patients, 2024
- Chronic kidney disease75%
- Heart failure75%
- High blood pressure75%
- High cholesterol75%
- Diabetes68%
- Ischemic heart disease66%
- Mood disorders57%
- Depression55%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dash's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Anthony Z. Dash wrote 135 Medicare Part D claims in 2021
In 2021, Dr. Dash wrote 135 Medicare Part D claims. Every claim was for a generic drug. They cover 7 drugs, with $3,397 in total drug cost. In 2020, CMS named 285 claims across 11 drugs.
Dr. Dash's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 2852021: 13553%
Drugs named by CMS: 7 in 2021, 11 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Anthony Z. Dash received $355 in industry payments from 2017 to 2021
CMS Open Payments shows 6 general payments to Dr. Dash from 3 drug and device companies from 2017 to 2021. Food and beverage make up the largest share, 98% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $198.
General payments to Dr. Dash by program year, 2017 to 2021
General payments to Dr. Dash by kind, 2017 to 2021
- Food and beverage$34898%
- Education$62%
Companies that paid Dr. Dash the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Anthony Z. Dash graduated from University of Washington School of Medicine
Dr. Dash graduated from University of Washington School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Anthony Z. Dash'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Anthony Z. Dash
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What is Dr. Anthony Z. Dash's NPI number?
Dr. Anthony Z. Dash's NPI number is 1841285475. It was assigned on September 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Anthony Z. Dash?
Dr. Anthony Z. Dash is a nephrologist in Seattle, Washington. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Anthony Z. Dash practice?
Dr. Dash practices at 904 7th Ave, Seattle, WA 98104. Dr. Dash's primary practice is The Polyclinic - Madison Center in Seattle, Washington. Dmand AI also links Dr. Dash to 3 group practices and clinics and 2 medical groups.
What is Dr. Anthony Z. Dash's office phone number?
The practice phone on file for Dr. Dash is (206) 329-1760.
What is Dr. Anthony Z. Dash's medical license number?
Dr. Dash holds Washington license MD60609653.
What medical group is Dr. Anthony Z. Dash part of?
Dr. Dash is linked to Swedish Health Services. Dmand AI links Dr. Dash to 2 more medical groups.
Does Dr. Anthony Z. Dash accept Medicare?
Yes. CMS data shows Dr. Dash billed Medicare for 89 services in 2024.
How many Medicare patients does Dr. Anthony Z. Dash see?
CMS counts 53 Medicare patients who saw Dr. Dash in 2024, with an average age of 69.
What services does Dr. Anthony Z. Dash bill to Medicare?
In 2024, Dr. Dash's most billed Medicare services were hospital inpatient care (99232), dialysis (90935) and hospital inpatient care (99221).
Where did Dr. Anthony Z. Dash go to medical school?
Dr. Dash graduated from University of Washington School of Medicine in 1986.
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What drugs does Dr. Anthony Z. Dash prescribe most?
In 2021 Medicare Part D data, Dr. Dash's most prescribed drugs by claims were Furosemide, Losartan Potassium and Amlodipine Besylate.
Has Dr. Anthony Z. Dash received payments from drug or device companies?
CMS Open Payments shows $355 in general payments to Dr. Dash from 3 companies from 2017 to 2021. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Anthony Z. Dash been practicing?
Dr. Dash graduated from medical school in 1986, 40 years ago.
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