Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mark Daryl Tieman, MD

Individual provider Internal Medicine Physician · NPI 1154494003

Dr. Mark Daryl Tieman, MD is an Internal Medicine in Commack, New York. Graduated from Albert Einstein College of Medicine of Yeshiva University in 1986, 40 years ago. Accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
40
Trained at
Albert Einstein College of Medicine of Yeshiva University
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

356 Veterans Memorial Hwy
Commack, NY 11725-4332
Phone: (631) 858-0400
Fax: (631) 543-2785
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 179172 (NY)

Record details

NPI number1154494003
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 16, 2006
Last updated in NPPESJuly 8, 2007
Mailing address34 Copperdale Ln, Huntington, NY 11743-2523

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduated 1986 (40 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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