Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mikell Brett Karsten, M.D.

General Practice Physician in Macon, GA · enumerated 2014.

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

National Provider Identifier

1235556481

Verified

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Registry record

Entity type Individual (Type 1)

Name Dr. Mikell Brett Karsten

Credential M.D.

Sex Male

Practice address 668 Oglethorpe St, Macon, GA, 31201

Phone (478) 751-7500

Enumeration date Mar 26, 2014

Last updated in NPPES Oct 30, 2024

Taxonomy & licenses

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License 55130 (AZ) Secondary

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License 91885 (GA) Primary

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

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

Is NPI 1235556481 active?

Yes — as of the latest NPPES snapshot, NPI 1235556481 is active (record last updated 2024-10-30).

How do I verify Mikell Karsten's NPI record?

Cross-check NPI 1235556481 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-10-30.