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SONIA GABRIELLE GRUTZIUS
NPI 1013857499
Pediatrics in Seattle, WA

Active since March 28, 2026PECOS Enrolled
4800 SAND POINT WAY NE, SEATTLE, WA 98105(206) 987-2525 Get Directions Write a Review

NPPES record last updated: May 11, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 11, 2026, Mar 28, 2026 (2 updates tracked since 2026).

About Sonia Gabrielle Grutzius NPPES

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

SONIA GABRIELLE GRUTZIUS (NPI 1013857499) is an individual pediatrics provider in Seattle, Washington, licensed in Washington (MDRE.ML.70115681) and active in the NPI registry since March 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1013857499
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameSONIA GABRIELLE GRUTZIUS
Location Address4800 SAND POINT WAY NESeattle, WA 98105-3901
Mailing Address4800 Sand Point Way Ne, Oc.7.830Seattle, WA 98105-3901 · (206) 987-2525
Phone(206) 987-2525
Sole ProprietorNo
Enumeration DateMarch 28, 2026
Last NPPES UpdateMay 11, 20262 updates tracked since enumeration
NPPES CertifiedMay 11, 2026
✔ NPI 1013857499 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in WA · MDRE.ML.70115681
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
4800 SAND POINT WAY NE, Seattle, WA 98105
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sonia Gabrielle Grutzius is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98105 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
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
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.

NALINI MALARKKAN MD
Anesthesiology
4800 SAND POINT WAY NE
SEATTLE, WA 98105
King County (206) 987-2728
MS. LINDA E EBLEN MA
Speech-Language Pathologist
4800 SAND POINT WAY NE, MAIL STOP W-6839
SEATTLE, WA 98105
King County (206) 987-6164
DR. JAMES TOLIVER BENNETT JR. M.D., PH.D.
Medical Genetics (Clinical Molecular Genetics)
4800 SAND POINT WAY NE, GENETIC MEDICINE
SEATTLE, WA 98105
King County (206) 987-2056
DR. LESLIE ANN DERVAN MD
Pediatrics (Pediatric Critical Care Medicine)
4800 SAND POINT WAY NE, MB.10.620
SEATTLE, WA 98105
King County (206) 987-0293
DR. INDI TREHAN MD
Pediatrics (Pediatric Infectious Diseases)
4800 SAND POINT WAY NE
SEATTLE, WA 98105
King County (206) 987-2000
MS. JENNIFER PATANO CNP
Nurse Practitioner (Pediatrics)
4800 SAND POINT WAY NE, MS O.7.720
SEATTLE, WA 98105
King County (206) 987-8949
MRS. SUSAN L HOLTZCLAW ARNP
Nurse Practitioner (Family)
4800 SAND POINT WAY NE, MAILSTOP T-2108
SEATTLE, WA 98105
King County (206) 987-5691
SHENG ZHOU MD
Otolaryngology (Pediatric Otolaryngology)
4800 SAND POINT WAY NE
SEATTLE, WA 98105
King County (206) 987-2105

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 Sonia Grutzius's NPI number?

The NPI number for Sonia Grutzius is 1013857499. It was assigned to this individual provider in the NPPES registry on March 28, 2026.

Where is Sonia Grutzius located?

Sonia Grutzius practices at 4800 Sand Point Way NE, Seattle, WA 98105. The listed phone number is (206) 987-2525.

What is Sonia Grutzius's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Sonia Grutzius enrolled in Medicare?

Yes. Sonia Grutzius is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sonia Grutzius was last updated on May 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.