CARY N MARIASH MD
NPI 1477636371
Internal Medicine - Endocrinology, Diabetes & Metabolism in Indianapolis, IN
About Cary N Mariash Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARY N MARIASH MD (NPI 1477636371) is an individual endocrinology, diabetes & metabolism provider in Indianapolis, Indiana, licensed in Indiana (01065821A) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains a secondary practice location in Indianapolis.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 13
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Cary N Mariash Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Cary Mariash reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 1,781 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 5,212 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 148 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 358 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Indiana University Health
Acute Care Hospitals · Indianapolis, INIndiana University Health North Hospital
Acute Care Hospitals · Carmel, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46280 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
INDIANAPOLIS, IN 46280
INDIANAPOLIS, IN 46280
INDIANAPOLIS, IN 46280
INDIANAPOLIS, IN 46280
INDIANAPOLIS, IN 46280
INDIANAPOLIS, IN 46280
CARMEL, IN 46280
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 Cary Mariash's NPI number?
The NPI number for Cary Mariash is 1477636371. It was assigned to this individual provider in the NPPES registry on October 23, 2006.
Where is Cary Mariash located?
Cary Mariash practices at 201 Pennsylvania Pkwy Ste 310, Indianapolis, IN 46280. The listed phone number is (317) 813-0000.
What is Cary Mariash's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Cary Mariash enrolled in Medicare?
Yes. Cary Mariash is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Cary Mariash's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cary Mariash reassigns Medicare benefits to 4 organizations: Indiana University Health Care Associates, Inc. (Indianapolis, IN), Iu Health Medical Group, LLC (Indianapolis, IN), Indiana University Health, Inc (Indianapolis, IN) and University Medical Diagnostic Associates, Inc. (Indianapolis, IN). Each 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 Cary Mariash's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cary Mariash accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Cary Mariash 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.
Is Cary Mariash affiliated with any hospitals?
According to CMS data, Cary Mariash is affiliated with Indiana University Health and Indiana University Health North Hospital.
When was this NPI record last updated?
The NPPES record for Cary Mariash was last updated on March 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Cary N Mariash, MD · NPI 1477636371
Endocrinology, Diabetes & Metabolism physician in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since October 23, 2006.
## Identity
- **NPI:** 1477636371 (Entity type: Individual)
- **Enumerated:** October 23, 2006
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** 01065821A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 201 PENNSYLVANIA PKWY, STE 310, Indianapolis, IN 46280-2301
- **Phone:** (317) 813-0000 · **Fax:** (317) 573-4064
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Indiana University Health Care Associates, Inc. (NPI 1679949002, Indianapolis, IN); Iu Health Medical Group, LLC (NPI 1326893777, Indianapolis, IN); Indiana University Health, Inc (NPI 1376586719, Indianapolis, IN); University Medical Diagnostic Associates, Inc. (NPI 1861441537, Indianapolis, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1972
## Record status
- **NPPES last updated:** March 14, 2025
- **Other identifiers:** Other 1100042936 (IN); Other 2T162MA; Other 000000924288 (IN); and 10 more
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Source: [NPI Profile](https://npiprofile.com/npi/1477636371) · Data from the CMS NPPES public registry.