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Mark D. Markham, DDS, Plc.

Mark D. Markham, DDS, Plc. is a healthcare organization registered as General Practice Dentistry in Atlantic, IA, holding Type 2 (organization) NPI 1669659108 since 2008. The authorized official on file is Mark Markham, Owner.

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NPI 1669659108
Entity type Organization (Type 2)
Legal business name Mark D. Markham, DDS, Plc.
Practice address 1501 E 10TH ST, Atlantic, IA, 50022
Phone 7122431833
Fax 7122437552
Enumeration date 2008-01-28
Last updated in NPPES 2008-01-30

Authorized official

Name Mark Markham
Title Owner
Phone 7122431833

Taxonomy & classification

Taxonomy code Specialty Primary License State
1223G0001X General Practice Dentistry Primary 6473 IA

Other identifiers

Identifier Type State Issuer
1163725 Medicaid IA
Copy-ready billing details
Provider: Mark D. Markham, DDS, Plc.
NPI: 1669659108
Taxonomy: 1223G0001X (General Practice Dentistry)
Address: 1501 E 10TH ST, Atlantic, IA, 50022

Providers at this address

NPI Name Type Specialty Location
1326033978 Patricia Goodemote Individual Family Medicine Physician Atlantic, IA
1598730954 Jeffrey Goergen Individual Optometrist Atlantic, IA
1093770083 Chad Mccance Individual Surgery Physician Atlantic, IA
1093760944 Cass County Memorial Hospital Organization Critical Access Hospital Atlantic, IA
1033150313 James Brown Individual Obstetrics & Gynecology Physician Atlantic, IA
1134143696 Cass County Memorial Hospital Organization Medicare Defined Swing Bed Hospital Unit Atlantic, IA
1225049497 Todd Bean Individual Family Medicine Physician Atlantic, IA
1861597122 Cass County Memorial Hospital Organization Critical Access Hospital Atlantic, IA

Verify this record

Cross-check NPI 1669659108 against the authoritative CMS record: view Mark D. Markham, DDS, Plc. 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

What is the NPI number for Mark D. Markham, DDS, Plc.?
The NPI for Mark D. Markham, DDS, Plc. is 1669659108, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Mark D. Markham, DDS, Plc.?
NPPES lists Mark Markham (Owner) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-10. Provider record last updated 2008-01-30.