OrganizationActive
Mark D. Markham, DDS, PLC.
NPI 1669659108 · General Practice Dentistry · Atlantic, IA
Mark D. Markham, DDS, PLC. is a General Practice Dentistry organization in Atlantic, IA (NPI 1669659108).
Provider details
- NPI number
- 1669659108
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Mark Markham, Owner(712) 243-1833
- License
- 6473 (IA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1501 E 10th St
Atlantic, IA 50022-1936
Phone: (712) 243-1833
Fax: (712) 243-7552
Street-level locationGet directions
Mailing address
1501 E 10th St
Atlantic, IA 50022-1936
Registry dates
- Enumerated
- 2008-01-28
- Last updated
- 2008-01-30
Frequently asked questions
- What is Mark D. Markham, DDS, PLC.'s NPI number?
- Mark D. Markham, DDS, PLC.'s National Provider Identifier (NPI) is 1669659108, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark D. Markham, DDS, PLC.?
- Mark D. Markham, DDS, PLC. is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is Mark D. Markham, DDS, PLC. located?
- Mark D. Markham, DDS, PLC.'s practice location on file with NPPES is 1501 E 10th St, Atlantic, IA 50022-1936.
- What is Mark D. Markham, DDS, PLC.'s phone number?
- The practice phone number listed in the NPPES registry for Mark D. Markham, DDS, PLC. is (712) 243-1833.
- Who is the authorized official for Mark D. Markham, DDS, PLC.?
- The authorized official listed on Mark D. Markham, DDS, PLC.'s NPPES record is Mark Markham, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark D. Markham, DDS, PLC.'s NPI active?
- Yes — Mark D. Markham, DDS, PLC.'s NPI (1669659108) is active in the NPPES registry as of the last update on 2008-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.