Organization provider

MARATHON HEALTH, LLC

Clinic/Center

MARATHON HEALTH, LLC is an organization registered with the National Plan and Provider Enumeration System (NPPES) under NPI 1003518598, based in Merrillville, IN. It is classified under Clinic/Center.

Getting there

Here is what surrounds this office in Merrillville, based on OpenStreetMap data collected Oct 2, 2026. Parking is available about 0.29 mi away. There is EV charging 0.21 mi from the office (Tesla Supercharger) — useful if you are driving in from out of town. The nearest transit stop is 0.32 mi away, served by Merriville Town Hall (80th Place). A pharmacy sits 0.33 mi from the entrance (CVS Pharmacy), which helps if you leave with a prescription. If you arrive early, there is a coffee shop 0.21 mi away.

616 W 81ST AVE STE A, Merrillville, IN 46410 Open in Google Maps →

Getting here and what is nearby

Pharmacy Walgreens 268 ft ~2 min

400 West 81st Avenue, Merrillville 46410

Directions in Google Maps →

Restaurant Wendy's 307 ft ~2 min

8105 Merrillville Road, Merrillville 46410

06:30-22:00

+1 219-472-5146

Website

Directions in Google Maps →

Restaurant Wingstop 393 ft ~2 min

407 West 81st Avenue, Merrillville 46410

+1 219-472-0064

Directions in Google Maps →

Restaurant #1 Chop Suey 447 ft ~2 min

409 West 81st Avenue, Merrillville 46410

Mo 11:00-21:00, Fr-Sa 11:00-22:00, Su closed

+1-219-769-0018; +1-219-769-0154

Website

Directions in Google Maps →

Gas station Meijer 696 ft ~3 min

611 West 81st Avenue, Merrillville 46410

Directions in Google Maps →

Convenience Meijer Express 748 ft ~3 min

611 West 81st Avenue, Merrillville 46410

Directions in Google Maps →

Parking 802 ft ~4 min
Grocery Aldi 993 ft ~4 min

10 West 81st Avenue, Merrillville 46410

Mo-Th 08:30-20:00; Fr-Su 08:30-20:00

+1 833-462-1074

Website

Directions in Google Maps →

Coffee 7 Brew Coffee 0.20 mi ~4 min

71 West 81st Avenue, Merrillville 46410

Directions in Google Maps →

Coffee The Region Cat Café 0.21 mi ~5 min

281 West 80th Place, Merrillville 46410

Website

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EV charging Tesla Supercharger 0.21 mi ~5 min

611 West Lincoln Highway, Merrillville 46410

24/7

Website

Directions in Google Maps →

Parking 0.22 mi ~5 min
Convenience Speedway 0.26 mi ~6 min

1 West 81st Avenue, Merrillville 46410

Website

Directions in Google Maps →

Gas station Speedway 0.26 mi ~6 min

1 West 81st Avenue, Merrillville 46410

Website

Directions in Google Maps →

Transit Meijer 0.28 mi ~6 min
Parking 0.29 mi ~6 min
Transit 80th Place & Broadway 0.31 mi ~7 min
Grocery Meijer 0.31 mi ~7 min

611 West 81st Avenue, Merrillville 46410

24/7

+1-219-650-3700

Directions in Google Maps →

Transit Merriville Town Hall (80th Place) 0.32 mi ~7 min
Pharmacy CVS Pharmacy 0.33 mi ~7 min

10 East 81st Avenue, Merrillville 46410

Website

Directions in Google Maps →

Gas station Luke 0.49 mi ~10 min
OpenStreetMap via Overpass · ODbL 800 m radius Updated Oct 2, 2026

Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.

Credentials and Medicare

State licence

NPPES does not list a state licence number for this record. That is not unusual — organizations and some provider types are not required to file one. Verify current licensure with the relevant state board before care.

Medicare (PECOS)

This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.

What Clinic/Center covers

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). NUCC Health Care Provider Taxonomy, code 261Q00000X
Ambulatory Health Care Facilities ›Clinic/Center

The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.

Full NPPES record

An NPI-2 identifies an organization — a clinic, hospital, group practice, laboratory, or supplier. Individual clinicians working there hold their own NPI-1 numbers separately, so a bill may reference both.

NPI1003518598 valid check digit
Entity typeOrganization (NPI-2)
Enumeration dateMar 20, 2023
Last updatedAug 16, 2023
StatusActive
Practice address 616 W 81ST AVE STE A
Merrillville, IN 46410
(312) 421-1016
Fax (219) 255-9588
Other names Uwc- Merrillville Former Legal Name
The last update on file is Aug 16, 2023. Providers are only required to update NPPES when their information changes, so an older date does not necessarily mean the details are wrong — but it is worth a quick call before you travel.

Number check

1003518598 passes the NPI check digit test The final digit 8 matches the value computed from the first nine digits, so this is a well-formed NPI.
How the check works, step by step

Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.

Digit 8 0 8 4 0 1 0 0 3 5 1 8 5 9
Doubled? — ×2 — ×2 — ×2 — ×2 — ×2 — ×2 — ×2
Value 8 0 8 8 0 2 0 0 3 1 1 7 5 9

Sum = 52 · next multiple of 10 = 60 · check digit = 8 · actual last digit = 8

A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.

Common questions

What is NPI number 1003518598?
NPI 1003518598 is the National Provider Identifier assigned to MARATHON HEALTH, LLC in Merrillville, IN. It is a 10-digit number issued by the Centers for Medicare & Medicaid Services and used on claims, referrals, and prescriptions to identify the provider.
What does Clinic/Center cover?
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).
How do I contact MARATHON HEALTH, LLC?
The phone number on file with NPPES is (312) 421-1016, last updated Aug 16, 2023. Because NPPES is only updated when a provider files a change, call ahead to confirm the number and the current practice address before visiting.
Where do I park when visiting MARATHON HEALTH, LLC?
Parking is about 0.29 mi from the office. The closest transit stop is 0.32 mi away, on Merriville Town Hall (80th Place). Distances are straight-line estimates from OpenStreetMap, so walking routes may be slightly longer.
Is NPI 1003518598 a valid number?
Yes. 1003518598 passes the Luhn check digit validation that CMS uses for NPI numbers, and it resolves to an active record in the registry.
How to use this page. Everything here comes from public federal records. Tips Health does not verify quality of care, confirm that a licence is currently active, or check malpractice history, and accepts no fees for placement. A listing is not a recommendation. Verify independently before seeking care.