Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Transitions Chronic Care Inc

Case Manager/Care Coordinator in Longmont, CO · enumerated 2013 · authorized official Mark Sarinopoulos, Owner/President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1245669431

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Registry record

Entity type Organization (Type 2)

Legal business name Transitions Chronic Care Inc

Practice address 601 S Bowen St Ste 400, Longmont, CO, 80501

Phone (303) 427-5302

Fax (720) 475-1830

Enumeration date Nov 7, 2013

Last updated in NPPES Dec 19, 2023

Taxonomy & classification

171M00000X Case Manager/Care Coordinator Other Service Providers Primary

Authorized official

Name Mark Sarinopoulos

Title Owner/President

Phone (303) 427-5302

Other identifiers

Identifier	Type	State	Issuer
845929005	Other	CO	STATE UI EAN#

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2023-12-19. Verify at npiregistry.cms.hhs.gov.

Where is Transitions Chronic Care Inc located?

The practice location on file with NPPES is in Longmont, CO.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-19.