NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Charles Mace, M.D.

Neurological Surgery Physician in Springfield, MO · enumerated 2006.

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

National Provider Identifier

1114971264

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name John Charles Mace
Credential M.D.
Sex Male
Practice address 3801 S National Ave, West Tower, Suite 700, Springfield, MO, 65807
Fax (417) 881-7638
Enumeration date May 22, 2006
Last updated in NPPES Sep 30, 2021

Taxonomy & licenses

207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License E3602 (AR) Secondary
207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License 118061 (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
5M988 Other AR ARKANSAS BC/BS
18942 Other MO COX HEALTH PLANS
203985700 Medicaid MO -
5M988 Other AR HEALTH ADVANTAGE
04040017000 Other MO QUAL CHOICE
0215049 Other WA DEPARTMENT OF LABOR WA
119340 Other MO BLUE CROSS/CHOICE
0156395001 Other MO CIGNA HEALTHCARE
139629001 Medicaid AR -
4188130001 Other MO CIGNA MEDICARE
0602002 Other MO UNITED HEALTHCARE
412307 Other MO HEALTHLINK
5M988 Other AR ARKANSAS FIRST SOURCE
G93208 Other MO USPS (W/C)
7623 Other MO COX HEALTH PLANS UPI

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 John Mace?
The National Provider Identifier (NPI) for John Mace is 1114971264, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Mace practice?
The practice location on file with NPPES is in Springfield, MO. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-30.