Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Accurate Consulting LLC

Q: What is the NPI number for Accurate Consulting LLC?

The NPI for Accurate Consulting LLC is 1437268513, a Type 2 (organization) record in the CMS NPPES registry.

Diagnostic Radiology Physician in South Haven, MI · enumerated 2006 · authorized official Diana Ostermann, Owner.

Data current as of Jul 11, 2026 · sourced from CMS NPPES

National Provider Identifier

1437268513

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Registry record

Entity type Organization (Type 2)

Legal business name Accurate Consulting LLC

Practice address 955 S Bailey Ave, South Haven, MI, 49090

Phone (269) 639-2828

Fax (734) 677-7407

Enumeration date Aug 30, 2006

Last updated in NPPES Jan 16, 2009

Taxonomy & classification

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Diana Ostermann

Title Owner

Phone (269) 639-2828

Other identifiers

Identifier	Type	State	Issuer
DE7573	Other	MI	MEDICARE RR GROUP PIN
4863316	Medicaid	MI	—
3008010631	Other	MI	BCBS #
310H010450	Other	MI	BCBS OF MI GROUP PIN

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.

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Frequently asked questions

Who is the authorized official for Accurate Consulting LLC?

NPPES lists Diana Ostermann (Owner) as the authorized official for this organization.

What is the NPI number for Accurate Consulting LLC?

The NPI for Accurate Consulting LLC is 1437268513, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

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William Gilmer Certified Registered Nurse Anesthetist · South Haven, MI NPI 1548256449 Mark Nikkel Orthopaedic Surgery Physician · South Haven, MI NPI 1699762336 Brice Miller Physician Assistant · South Haven, MI NPI 1336120427 Maura Buckingham Surgery Physician · South Haven, MI NPI 1992778468 Philip Durden Certified Registered Nurse Anesthetist · South Haven, MI NPI 1770537169 Bronson South Haven Hospital General Acute Care Hospital · South Haven, MI NPI 1346275856 John Owens Emergency Medicine Physician · South Haven, MI NPI 1992724439 Karen Janson Pediatrics Physician · South Haven, MI NPI 1083633523

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2009-01-16.