Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Major Multispecialty Associates

Q: What is the NPI number for Major Multispecialty Associates?

The NPI for Major Multispecialty Associates is 1437398492, a Type 2 (organization) record in the CMS NPPES registry.

Internal Medicine Physician in Shelbyville, IN · enumerated 2009 · authorized official Ryan Claxton, Group Practice Administrator.

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

National Provider Identifier

1437398492

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Registry record

Entity type Organization (Type 2)

Legal business name Major Multispecialty Associates

Other name <Unavail>

Practice address 2451 Intelliplex Dr, Shelbyville, IN, 46176

Phone (317) 392-3211

Fax (317) 398-1851

Enumeration date Feb 16, 2009

Last updated in NPPES Feb 7, 2025

Taxonomy & classification

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians Secondary

207LP2900X Pain Medicine (Anesthesiology) Physician Allopathic & Osteopathic Physicians Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians Secondary

207QS0010X Sports Medicine (Family Medicine) Physician Allopathic & Osteopathic Physicians Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Primary

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians Secondary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians Secondary

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians Secondary

208200000X Plastic Surgery Physician Allopathic & Osteopathic Physicians Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians Secondary

208800000X Urology Physician Allopathic & Osteopathic Physicians Secondary

213E00000X Podiatrist Podiatric Medicine & Surgery Service Providers Secondary

213ES0103X Foot & Ankle Surgery Podiatrist Podiatric Medicine & Surgery Service Providers Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers Secondary

Authorized official

Name Ryan Claxton

Title Group Practice Administrator

Phone (317) 392-5252

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

What is the NPI number for Major Multispecialty Associates?

The NPI for Major Multispecialty Associates is 1437398492, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Major Multispecialty Associates?

NPPES lists Ryan Claxton (Group Practice Administrator) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-07.