Mark D Mccaslin, MD

Mark D Mccaslin is a Diagnostic Radiology Physician provider (Radiology) practicing in Mobile, AL, registered in the NPPES registry with NPI 1801877543 since 2005. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum

NPI	1801877543
Entity type	Individual (Type 1)
Name	Mark D Mccaslin
Credential	MD
Sex	Male
Practice address	5 MOBILE INFIRMARY CIR, Mobile, AL, 36607
Phone	2515441926
Fax	2514602846
Enumeration date	2005-11-09
Last updated in NPPES	2010-09-07

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
2085R0202X	Diagnostic Radiology Physician	Primary	17263	AL

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
000085669	Medicaid	AL	—

Copy-ready billing details

Provider: Mark Mccaslin, MD
NPI: 1801877543
Taxonomy: 2085R0202X (Diagnostic Radiology Physician)
Address: 5 MOBILE INFIRMARY CIR, Mobile, AL, 36607

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1558364802	Mobile Infirmary Association	Organization	General Acute Care Hospital	Mobile, AL
1639174014	Kenneth Brewington	Individual	Gynecologic Oncology Physician	Mobile, AL
1669473500	Donna Lowe	Individual	Neonatal Nurse Practitioner	Mobile, AL
1831184084	Shannon Beall	Individual	Certified Registered Nurse Anesthetist	Mobile, AL
1801881057	Paula Beard	Individual	Certified Registered Nurse Anesthetist	Mobile, AL
1649265810	Anesthesia Services PC	Organization	Anesthesiology Physician	Mobile, AL
1689669491	John Alexander	Individual	Anesthesiology Physician	Mobile, AL
1326033168	Ronald Brown	Individual	Anesthesiology Physician	Mobile, AL

Verify this record

Cross-check NPI 1801877543 against the authoritative CMS record: view Mark D Mccaslin on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where does Mark Mccaslin practice?

The practice location on file with NPPES is in Mobile, AL. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Mark Mccaslin?

The National Provider Identifier (NPI) for Mark Mccaslin is 1801877543, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2010-09-07.