NATHAN P KERESTES DO
NPI 1023458676
Family Medicine in Poulsbo, WA

Q: What is Nathan Kerestes's NPI number?

The NPI number for Nathan Kerestes is 1023458676. It was assigned to this individual provider in the NPPES registry on June 27, 2013.

Q: What is Nathan Kerestes's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Nathan Kerestes was last updated on April 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 June 27, 2013PECOS Enrolled

21800 MARKET PL NW STE 104, POULSBO, WA 98370(833) 411-5469(855) 459-3020 Get Directions Write a Review

NPPES record last updated: April 2, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 2, 2025, Aug 11, 2022, Feb 12, 2020 and 1 more (4 updates tracked since 2016).

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About Nathan P Kerestes Do NPPES

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

NATHAN P KERESTES DO (NPI 1023458676) is an individual family medicine provider in Poulsbo, Washington, licensed in Washington (OP61486367) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023458676

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameNATHAN P KERESTESCredential: DO

Location Address21800 MARKET PL NW STE 104Poulsbo, WA 98370-6667

Mailing Address21800 Market Pl Nw Ste 104Poulsbo, WA 98370-6667 · (833) 411-5469 · Fax (855) 459-3020

Phone(833) 411-5469

Fax(855) 459-3020

Sole ProprietorYes

Enumeration DateJune 27, 2013

Last NPPES UpdateApril 2, 20254 updates tracked since enumeration

NPPES CertifiedApril 2, 2025

✔ NPI 1023458676 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Licenses✔ Licensed in WA · OP61486367✔ Licensed in HI · DOS-2207

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

21800 MARKET PL NW STE 104, Poulsbo, WA 98370

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nathan P Kerestes Do 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 Nathan Kerestes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community Health Center Of Snohomish County

23 mi

Federally Qualified Health Center (FQHC)

8609 EVERGREEN WAY
Everett, WA 98208

Reassigned Medicare billing, Washington enrollment
182 clinicians in this Medicare group

NPI 1730136367 (425) 789-1000

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 98370 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

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

DR. ANGELA NICHOLE SZATKOWSKI D.O.

Family Medicine

21800 MARKET PL NW STE 104
POULSBO, WA 98370

Kitsap County (833) 411-5469

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 Nathan Kerestes's NPI number?

The NPI number for Nathan Kerestes is 1023458676. It was assigned to this individual provider in the NPPES registry on June 27, 2013.

Where is Nathan Kerestes located?

Nathan Kerestes practices at 21800 Market Pl NW Ste 104, Poulsbo, WA 98370. The listed phone number is (833) 411-5469.

What is Nathan Kerestes's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Nathan Kerestes enrolled in Medicare?

Yes. Nathan Kerestes is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nathan Kerestes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Kerestes reassigns Medicare benefits to Community Health Center Of Snohomish County (Everett, WA). 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 Nathan Kerestes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathan Kerestes accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Nathan Kerestes 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 Nathan Kerestes was last updated on April 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.