1. Home
  2. Directory
  3. Washington
  4. Seattle
  5. Internal Medicine
  6. NPI Profile

DR. ZACHARY PETRONE BOAS M.D.
NPI 1588820187
Internal Medicine in Seattle, WA

Active since August 03, 2008PECOS EnrolledAccepts Medicare Assignment
1959 NE PACIFIC ST, BOX 356421, SEATTLE, WA 98195(206) 680-1822 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Zachary Petrone Boas M.d. NPPES

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

DR. ZACHARY PETRONE BOAS M.D. (NPI 1588820187) is an individual internal medicine provider in Seattle, Washington, licensed in Washington (ML60019677) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (2008).

NPPES Registry Identity

NPI1588820187
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ZACHARY PETRONE BOASCredential: M.D.
Location Address1959 NE PACIFIC ST, BOX 356421Seattle, WA 98195-0001
Mailing Address1959 Ne Pacific St, Box 356421Seattle, WA 98195-0001
Phone(206) 680-1822
Sole ProprietorNo
Medical School CMSDuke University School Of MedicineGraduated 2008
Enumeration DateAugust 3, 2008
Last NPPES UpdateNovember 29, 2021
✔ NPI 1588820187 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WA · ML60019677
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1959 NE PACIFIC ST, Seattle, WA 98195
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Zachary Petrone Boas M.d. 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 ID6406143502
PECOS Enrollment IDI20160916001297
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.

Medicare Billing Reassignment

Medicare enrollment records show Zachary Boas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
922 mi
Health Maintenance Organization
43112 N 15TH ST
Lancaster, CA 93534
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1982863783 (661) 726-2279

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

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.

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
37 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98195 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.

LEONIE A NEVILLE PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1959 NE PACIFIC ST
SEATTLE, WA 98195
King County (206) 598-4874
ALISA BETH KACHIKIS M.D.
Obstetrics & Gynecology (Maternal & Fetal Medicine)
1959 NE PACIFIC ST, 3RD FLOOR SW 350
SEATTLE, WA 98195
King County (206) 598-4070
MS. MARY PATRICIA DODGE MS, OTR/L
Occupational Therapist
1959 NE PACIFIC ST, MAILBOX 356490
SEATTLE, WA 98195
King County (206) 598-4830
RIKA SHIRAKAWA M.D.
Ophthalmology
1959 NE PACIFIC ST, BOX 365485
SEATTLE, WA 98195
King County (206) 558-9616
VEDA TSOI M.D.
Anesthesiology
1959 NE PACIFIC ST
SEATTLE, WA 98195
King County (801) 556-7628
KATHRYN TAMURA PHARM.D.
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1959 NE PACIFIC ST, BOX 356015
SEATTLE, WA 98195
King County (206) 598-6060
DR. MARK ROBERT, MICHAEL KILGORE M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1959 NE PACIFIC ST, BOX 356100
SEATTLE, WA 98195
King County (206) 598-1821
DR. SERKAN MEHMET SAHIN M.D.
Hospitalist
1959 NE PACIFIC ST
SEATTLE, WA 98195
King County (206) 543-6420

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 Zachary Boas's NPI number?

The NPI number for Zachary Boas is 1588820187. It was assigned to this individual provider in the NPPES registry on August 3, 2008.

Where is Zachary Boas located?

Zachary Boas practices at 1959 NE Pacific St Box 356421, Seattle, WA 98195. The listed phone number is (206) 680-1822.

What is Zachary Boas's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Zachary Boas enrolled in Medicare?

Yes. Zachary Boas 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.

Which organization bills Medicare for Zachary Boas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Boas reassigns Medicare benefits to Southern California Permanente Medical Group (Lancaster, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Zachary Boas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Zachary Boas was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.