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ANTHONY Z DASH MD
NPI 1841285475
Internal Medicine - Nephrology in Seattle, WA

Active since September 20, 2005PECOS EnrolledAccepts Medicare Assignment
904 7TH AVE, SEATTLE, WA 98104(206) 860-5575 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 29, 2026, Apr 24, 2017 (2 updates tracked since 2017).

About Anthony Z Dash Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANTHONY Z DASH MD (NPI 1841285475) is an individual nephrology provider in Seattle, Washington, licensed in Washington (MD60609653) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (1986).

NPPES Registry Identity

NPI1841285475
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameANTHONY Z DASHCredential: MD
Location Address904 7TH AVESeattle, WA 98104-1132
Mailing Address7600 Evergreen WayEverett, WA 98203-6421 · (206) 860-5414
Phone(206) 860-5575
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 1986
Enumeration DateSeptember 20, 2005
Last NPPES UpdateApril 29, 20262 updates tracked since enumeration
NPPES CertifiedApril 29, 2026
✔ NPI 1841285475 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in WA · MD60609653
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
904 7TH AVE, Seattle, WA 98104
Open in Google Maps ↗

Other Names 1

Other Name (5)Anthony Z Zelger Md

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Anthony Z Dash Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5799718920
PECOS Enrollment IDI20160118000971
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
64 services31 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
14 services11 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LAURA MORRISON MD
Dermatology
904 7TH AVE
SEATTLE, WA 98104
King County (206) 860-4691
DR. JOSEPH W DAVIS M.D.
Internal Medicine
904 7TH AVE
SEATTLE, WA 98104
King County (206) 860-5574
MANDY WARNER MATTA PA-C
Physician Assistant (Surgical)
904 7TH AVE
SEATTLE, WA 98104
King County (206) 329-1760
ANTONIUS MULIA M.D.
Internal Medicine
904 7TH AVE
SEATTLE, WA 98104
King County (206) 329-1760
KATHLEEN MAKIELSKI M.D.
Otolaryngology
904 7TH AVE
SEATTLE, WA 98104
King County (206) 329-1760
DR. XIANGPING REN MD
Physical Medicine & Rehabilitation (Pain Medicine)
904 7TH AVE
SEATTLE, WA 98104
King County (206) 329-1760
ANNA H STEPCZYNSKI M.D.
Internal Medicine
904 7TH AVE
SEATTLE, WA 98104
King County (206) 860-5574
NEHA MITRAGOTRI
Pediatrics
904 7TH AVE
SEATTLE, WA 98104
King County (206) 292-2249

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Anthony Dash's NPI number?

The NPI number for Anthony Dash is 1841285475. It was assigned to this individual provider in the NPPES registry on September 20, 2005. The provider is also known as Anthony Z Zelger MD.

Where is Anthony Dash located?

Anthony Dash practices at 904 7th Ave, Seattle, WA 98104. The listed phone number is (206) 860-5575.

What is Anthony Dash's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Anthony Dash enrolled in Medicare?

Yes. Anthony Dash is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Anthony Dash accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Anthony Dash as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Anthony Dash was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.