Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Samuel A. Mcquiston Jr., MD

Diagnostic Radiology Physician in Mobile, AL · enumerated 2006.

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

National Provider Identifier

1649223462

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Registry record

Entity type Individual (Type 1)

Name Samuel A. Mcquiston Jr.

Credential MD

Sex Male

Practice address 2451 Fillingim St, Mobile, AL, 36617

Phone (251) 471-7150

Fax (251) 471-7008

Enumeration date May 19, 2006

Last updated in NPPES May 6, 2015

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 24854 (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
274819300	Medicaid	FL	-
51533229	Other	AL	BLUE CROSS
P00244978	Other	AL	RAILROAD MEDICARE PTAN
51529665	Other	AL	BLUE CROSS
17-10678	Other	AL	UNITED HEALTH CARE
51529668	Other	AL	BCBS - 575 STANTON RD
07134073	Medicaid	MS	-
51590613	Other	AL	BCBS - 1700 CENTER ST
009932016	Medicaid	AL	-
009932017	Medicaid	AL	-
1722219	Medicaid	LA	-
51593343	Other	AL	BCBS - 1504 SPRINGHILL AVE

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 Samuel Mcquiston?

The National Provider Identifier (NPI) for Samuel Mcquiston is 1649223462, a Type 1 (individual) record in the CMS NPPES registry.

Where does Samuel Mcquiston practice?

The practice location on file with NPPES is in Mobile, 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 2015-05-06.