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KRISTEN NICOLE HAYWARD MD, MS
NPI 1881793842
Pediatrics - Pediatric Rheumatology in Seattle, WA

Active since September 22, 2006PECOS Enrolled
4800 SAND POINT WAY NE, M/S R-5420, SEATTLE, WA 98105(206) 987-2057(206) 987-5060 Get Directions Write a Review

NPPES record last updated: January 12, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Kristen Nicole Hayward Md, Ms NPPES

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

KRISTEN NICOLE HAYWARD MD, MS (NPI 1881793842) is an individual pediatric rheumatology provider in Seattle, Washington, licensed in Washington (MD00043647) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881793842
Entity TypeIndividualFemale
Primary Taxonomy2080P0216X
Provider Legal NameKRISTEN NICOLE HAYWARDCredential: MD, MS
Location Address4800 SAND POINT WAY NE, M/S R-5420Seattle, WA 98105-3901
Mailing Address4800 Sand Point Way Ne, M/s R-5420Seattle, WA 98105-3901 · (206) 987-2057 · Fax (206) 987-5060
Phone(206) 987-2057
Fax(206) 987-5060
Sole ProprietorNo
Enumeration DateSeptember 22, 2006
Last NPPES UpdateJanuary 12, 2011
✔ NPI 1881793842 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0216X
License✔ Licensed in WA · MD00043647
Definition
A pediatrician who treats diseases of joints, muscle, bones and tendons. A pediatric rheumatologist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
4800 SAND POINT WAY NE, Seattle, WA 98105
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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, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kristen Nicole Hayward Md, Ms 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 Kristen Hayward reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Association Of Chmc And University Physicians
Same address
Trauma Surgery
4800 SAND POINT WAY NE
Seattle, WA 98105
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: The Association Of Chrmc And University Physicians
  • 1,443 clinicians in this Medicare group
NPI 1649497827 (206) 987-2000

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

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 Kristen Hayward's NPI number?

The NPI number for Kristen Hayward is 1881793842. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Where is Kristen Hayward located?

Kristen Hayward practices at 4800 Sand Point Way NE M/S R-5420, Seattle, WA 98105. The listed phone number is (206) 987-2057.

What is Kristen Hayward's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Rheumatology, with taxonomy code 2080P0216X.

Is Kristen Hayward enrolled in Medicare?

Yes. Kristen Hayward is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kristen Hayward's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Hayward reassigns Medicare benefits to Association Of Chmc And University Physicians (Seattle, 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 Kristen Hayward's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kristen Hayward accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Kristen Hayward 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 Kristen Hayward was last updated on January 12, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.