NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Byron C Machen, MD

Vascular & Interventional Radiology Physician in Montgomery, AL · enumerated 2006.

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

National Provider Identifier

1093787756

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Registry record

Entity type Individual (Type 1)
Name Dr. Byron C Machen
Credential MD
Sex Male
Practice address Montgomery, AL, 36111
Phone (334) 288-4624
Fax (334) 280-3628
Enumeration date Feb 6, 2006
Last updated in NPPES Jun 24, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 00010406 (AL) Secondary
2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License ME89646 (FL) Secondary
2085R0204X Vascular & Interventional Radiology Physician Allopathic & Osteopathic Physicians · License 10406 (AL) 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
000075746 Medicaid AL -
009945575 Medicaid AL -
000035476 Medicaid AL -
009973475 Medicaid AL -
106719 Medicaid AL -
000035477 Medicaid AL -
009951035 Medicaid AL -
106718 Medicaid AL -
000035482 Medicaid AL -
108378 Medicaid AL -
270022100 Medicaid FL -
000035479 Medicaid AL -
000058867 Other AL IDTF
051504364 Other AL IDTF
009945565 Medicaid AL -
108197 Medicaid AL -
000035478 Medicaid AL -
009932755 Medicaid AL -
009945585 Medicaid AL -

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

What is the NPI number for Byron Machen?
The National Provider Identifier (NPI) for Byron Machen is 1093787756, a Type 1 (individual) record in the CMS NPPES registry.
Where does Byron Machen practice?
The practice location on file with NPPES is in Montgomery, AL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-06-24.