SIDNEY DANA SPARKS M.D.
NPI 1598719841
Pediatrics in Oak Harbor, WA

Q: What is Sidney Sparks's NPI number?

The NPI number for Sidney Sparks is 1598719841. It was assigned to this individual provider in the NPPES registry on May 20, 2006. The provider is also known as Sidney Irene Dana M.D..

Q: What is Sidney Sparks's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sidney Sparks was last updated on July 13, 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.

Active since May 20, 2006PECOS Enrolled

275 SE CABOT DR, SUITE B-102, OAK HARBOR, WA 98277(360) 675-5555(360) 675-0275 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Sidney Dana Sparks M.d. NPPES

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

SIDNEY DANA SPARKS M.D. (NPI 1598719841) is an individual pediatrics provider in Oak Harbor, Washington, licensed in Washington (MD00033179) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598719841

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameSIDNEY DANA SPARKSCredential: M.D.

Location Address275 SE CABOT DR, SUITE B-102Oak Harbor, WA 98277-3715

Mailing Address275 Se Cabot Dr, Suite B-102Oak Harbor, WA 98277-3715 · (360) 675-5555 · Fax (360) 675-0275

Phone(360) 675-5555

Fax(360) 675-0275

Sole ProprietorNo

Enumeration DateMay 20, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1598719841 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in WA · MD00033179

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.

275 SE CABOT DR, Oak Harbor, WA 98277

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Other Names 1

Former Name (1)Sidney Irene Dana M.d.

Other Identifiers 1

Medicaid8180952WA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sidney Dana Sparks M.d. 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.

Medicare Billing Reassignment

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

Mckenzie Physician Services LLC

2,004 mi

General Practice

1573 MALLORY LN STE 100
Brentwood, TN 37027

Reassigned Medicare billing, Oregon enrollment
198 clinicians in this Medicare group

NPI 1316909054 (152) 221-1400

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98277 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

$88.29 typical visit price

range $57.27 – $172.80

Typical copayment $22.07 (range $14.31 – $43.20)

Most-billed visit code 99203

Established Patient

$100.78 typical visit price

range $18.56 – $141.11

Typical copayment $25.19 (range $4.64 – $35.27)

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.

MRS. ELIS-RY SASSI

Physical Therapist

275 SE CABOT DR
OAK HARBOR, WA 98277

Island County (360) 914-5504

KRISTINE L YOUNG PA-C

Physician Assistant (Medical)

275 SE CABOT DR, SUITE B101
OAK HARBOR, WA 98277

Island County (360) 675-6648

DOUGLAS LEE WIRTH DMD

Dentist (General Practice)

275 SE CABOT DR, SUITE B-201
OAK HARBOR, WA 98277

Island County (360) 675-6404

NICOLE RUTH DIPZINSKI LICSW

Social Worker (Clinical)

275 SE CABOT DR, B206
OAK HARBOR, WA 98277

Island County (360) 499-4535

WHIDBEY ISLAND PUBLIC HOSPITAL DISTRICT

Family Medicine

275 SE CABOT DR, SUITE B101
OAK HARBOR, WA 98277

Island County (360) 679-4121

SCOTT WALETZKO

Dentist (General Practice)

275 SE CABOT DR, SUITE B-204
OAK HARBOR, WA 98277

Island County (360) 675-2284

JERALD GAIL SANDERS M.D.

Family Medicine

275 SE CABOT DR, SUITE B101
OAK HARBOR, WA 98277

Island County (360) 675-6648

JOHN R BEUMER M.D.

Pediatrics

275 SE CABOT DR, SUITE B-102
OAK HARBOR, WA 98277

Island County (360) 675-5555

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 Sidney Sparks's NPI number?

The NPI number for Sidney Sparks is 1598719841. It was assigned to this individual provider in the NPPES registry on May 20, 2006. The provider is also known as Sidney Irene Dana M.D..

Where is Sidney Sparks located?

Sidney Sparks practices at 275 SE Cabot Dr Suite B-102, Oak Harbor, WA 98277. The listed phone number is (360) 675-5555.

What is Sidney Sparks's specialty?

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

Is Sidney Sparks enrolled in Medicare?

Yes. Sidney Sparks is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sidney Sparks's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sidney Sparks reassigns Medicare benefits to Mckenzie Physician Services LLC (Brentwood, TN). 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 Sidney Sparks'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 Sidney Sparks was last updated on July 13, 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.