Is this your practice, Mark Tieman, MD, PC? This profile is yours to edit: update your address, phone, photo and services.

Edit this profile

Organization Profile

Mark Tieman, MD, PC

Is this you? Edit this profile

At a glance

About Mark Tieman, MD, PC

Mark Tieman, MD, PC is a healthcare organization in Commack, NY, registered under primary care clinic. This provider record is associated with NPI 1821375940.

Factual summary compiled by Guide.md from public records; not written by this provider.

Practice Size

TypeGroup practice
Providers registered at this building9

Counted from individual NPI records registered at the same street address; a shared building can inflate this.

Providers in This Building & Nearby

From registry street addresses: providers filed at this building, which can include unrelated practices sharing it.

Specialty

Credentials & Licensing

NY licenceAs reported to the NPI registry
No. 179172As reported
NPINational Provider Identifier
1821375940Issued 2011

As reported to the NPI registry ↗

Common questions

What does Mark Tieman, MD, PC specialize in?

Mark Tieman, MD, PC is a primary care clinic in Commack, NY. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Mark Tieman, MD, PC located?

Mark Tieman, MD, PC is listed at 356 Veterans Memorial Hwy, Commack, NY 11725. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

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

The number on file is (631) 858-0400. Contact the office directly to confirm availability and scheduling.

NPI registry

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

Mark Tieman, MD, PC's National Provider Identifier is 1821375940. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Has Mark Tieman, MD, PC confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Mark Tieman, MD, PC. If this is you, claiming it is free.

Guide.md

Is this your practice?

Manage this listing? Log in or create an account, then click “This is my practice and I manage it” here. A verified physician whose registry address matches this location is approved instantly; everyone else is reviewed by a person.

Guide.md listings do not constitute medical advice or an endorsement.

A GigHz company · Founder: Pouyan Golshani, MD