Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MARATHON HEALTH, LLC
NPI 1659276400
Clinic/Center in Sunnyvale, CA

Q: What is Marathon Health, LLC's NPI number?

The NPI number for Marathon Health, LLC is 1659276400. It was assigned to this organization in the NPPES registry on October 12, 2026. The provider is doing business as Marathon Health, Sunnyvale CA.

Q: What is Marathon Health, LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Active since October 12, 2026

1283 OAKMEAD PKWY STE B, SUNNYVALE, CA 94085(408) 675-2010 Get Directions Write a Review

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

On this page

About Marathon Health, Llc NPPES

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

MARATHON HEALTH, LLC (NPI 1659276400), doing business as Marathon Health, Sunnyvale Ca, is a healthcare organization registered as a clinic/center in Sunnyvale, California and active in the NPI registry since October 2026. The organization lists Terry Layman, Owner, as its authorized official.

NPPES Registry Identity

NPI1659276400

Entity TypeOrganization

Primary Taxonomy261Q00000X

Legal Business NameMARATHON HEALTH, LLC

Location Address1283 OAKMEAD PKWY STE BSunnyvale, CA 94085-4040

Mailing AddressPo Box 1433Portsmouth, NH 03802-1433

Phone(408) 675-2010

Organization SubpartYesParent: Everside Health Llc

Authorized OfficialTerry LaymanOwner · (866) 434-3255

Enumeration DateOctober 12, 2026

NPPES CertifiedOctober 12, 2026

✔ NPI 1659276400 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities

Taxonomy Code261Q00000X

Definition

A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).

1283 OAKMEAD PKWY STE B, Sunnyvale, CA 94085

Open in Google Maps ↗

Other Names 1

Doing Business AsMarathon Health, Sunnyvale Ca

Other Providers at the Same Location NPPES 2

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

ALLISON KIKUE ENOMOTO

Preventive Medicine (Preventive Medicine/Occupational Environmental Medicine)

1283 OAKMEAD PKWY STE B
SUNNYVALE, CA 94085

Santa Clara County (408) 675-2010

EVERSIDE HEALTH LLC, MAXAR TECHNOLOGIES

Clinic/Center

1283 OAKMEAD PKWY STE B
SUNNYVALE, CA 94085

Santa Clara County (704) 936-5546

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 Marathon Health, LLC's NPI number?

The NPI number for Marathon Health, LLC is 1659276400. It was assigned to this organization in the NPPES registry on October 12, 2026. The provider is doing business as Marathon Health, Sunnyvale CA.

Where is Marathon Health, LLC located?

Marathon Health, LLC is located at 1283 Oakmead Pkwy Ste B, Sunnyvale, CA 94085. The listed phone number is (408) 675-2010.

What is Marathon Health, LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

When was this NPI record last updated?

The NPPES record for Marathon Health, LLC was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.