Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Michael P. Nachtigal, MD

Orthopaedic Surgery Physician in Springfield, MO · enumerated 2007 · practices at Mercy Clinic Springfield Communities.

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

National Provider Identifier

1275671380

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Registry record

Entity type Individual (Type 1)

Name Dr. Michael P. Nachtigal

Credential MD

Sex Male

Practice address 1229 E Seminole St, Springfield, MO, 65804

Phone (417) 820-5610

Fax (417) 820-5588

Enumeration date Feb 1, 2007

Last updated in NPPES May 9, 2013

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License R5J06 (MO) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
121313001	Medicaid	AR	-
81629	Other	AR	AR BLUE SHIELD #
202630703	Medicaid	MO	-

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 specialty is Michael Nachtigal?

Michael Nachtigal is registered in NPPES with the primary taxonomy of Orthopaedic Surgery Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-05-09.