MARK TIEMAN MD PC NPI 1821375940

NPI Information

  • NPI: 1821375940
  • Provider Name: MARK TIEMAN, MD, PC
  • Classification: Clinic/Center - 261QP2300X
  • Specialization: Primary Care
  • Entity Type: Organization
  • Address: 356 VETERANS MEMORIAL HWY
    COMMACK, NY
    ZIP 11725
  • Phone: (631) 858-0400

Map and Directions

Get Directions

NPI Details

MARK TIEMAN, MD, PC is a primary care clinic center in Commack, NY. MARK TIEMAN, MD, PC NPI is 1821375940. The provider is registered as an organization entity type.

The provider's business location address is:

356 VETERANS MEMORIAL HWY
COMMACK, NY
ZIP 11725-343
Phone: (631) 858-0400
Fax: (631) 543-2785

The provider's authorized official is Mark Daryl Tieman .
The authorized official title is President and has the following contact phone number (631) 424-9844.

The enumeration date for this NPI number is 11/3/2011 and was last updated on 11/3/2011.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1261QP2300XClinic/CenterPrimary Care179172NEW YORKYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

NPI Synchronization or Removal

All materials and services on this site are provided on an "as is" and "as available" basis without warranty of any kind. The NPI record is maintained by the National Plan & Provider Enumeration System (NPPES) and anyone may request this information and other NPPES health care provider data from HHS under The Freedom of Information Act (FOIA), Title 5 of the United States Code, section 552. To update the NPI records please contact the NPPES.

Previous NPI
Next NPI