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MARK TIEMAN, MD, PC
NPI 1821375940
Clinic/Center - Primary Care in Commack, NY

Active since November 03, 2011
356 VETERANS MEMORIAL HWY, COMMACK, NY 11725(631) 858-0400(631) 543-2785 Get Directions Write a Review

NPPES record last updated: November 3, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mark Tieman, Md, Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK TIEMAN, MD, PC (NPI 1821375940) is a healthcare organization registered as a primary care in Commack, New York and active in the NPI registry since November 2011. The organization lists Mark Daryl Tieman, President, as its authorized official.

NPPES Registry Identity

NPI1821375940
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameMARK TIEMAN, MD, PC
Location Address356 VETERANS MEMORIAL HWYCommack, NY 11725-4343
Mailing Address34 Copperdale LnHuntington, NY 11743-2523 · (631) 424-9844 · Fax (631) 543-2785
Phone(631) 858-0400
Fax(631) 543-2785
Organization SubpartNo
Authorized OfficialMark Daryl TiemanPresident · (631) 424-9844
Enumeration DateNovember 3, 2011
✔ NPI 1821375940 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
License✔ Licensed in NY · 179172
356 VETERANS MEMORIAL HWY, Commack, NY 11725
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Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CINDY DEMETRIOU
Nurse Practitioner (Adult Health)
356 VETERANS MEMORIAL HWY, SUITE 5
COMMACK, NY 11725
Suffolk County (631) 858-0400
DR. KAREN L DEFALCO PSY.D.
Psychologist
356 VETERANS MEMORIAL HWY
COMMACK, NY 11725
Suffolk County (516) 316-0486
DR. MARK DARYL TIEMAN M.D.
Internal Medicine
356 VETERANS MEMORIAL HWY
COMMACK, NY 11725
Suffolk County (631) 858-0400
DR. LINDA RACHEL JONAS PHD
Psychologist
356 VETERANS MEMORIAL HWY, SUITE 6
COMMACK, NY 11725
Suffolk County (631) 543-2889
DR. BARBARA ANNE HERD PH.D.
Psychologist (Clinical)
356 VETERANS MEMORIAL HWY
COMMACK, NY 11725
Suffolk County (631) 689-5342
DR. MARSHA ALEXANDER D.O
Psychiatry & Neurology (Child & Adolescent Psychiatry)
356 VETERANS MEMORIAL HWY, SUITE NUMBER 6
COMMACK, NY 11725
Suffolk County (516) 779-3300
DR. RACHNA SHARMA SONDHI M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
356 VETERANS MEMORIAL HWY, SUITE # 6
COMMACK, NY 11725
Suffolk County (516) 639-7219
FREEDOMCARE PHYSICIAN PRACTICE PC
Internal Medicine
356 VETERANS MEMORIAL HWY
COMMACK, NY 11725
Suffolk County (646) 224-7300

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Tieman, MD, PC's NPI number?

The NPI number for Mark Tieman, MD, PC is 1821375940. It was assigned to this organization in the NPPES registry on November 3, 2011.

Where is Mark Tieman, MD, PC located?

Mark Tieman, MD, PC is located at 356 Veterans Memorial Hwy, Commack, NY 11725. The listed phone number is (631) 858-0400.

What is Mark Tieman, MD, PC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

When was this NPI record last updated?

The NPPES record for Mark Tieman, MD, PC was last updated on November 3, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.