Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Robert Ira Sack, MD

Individual provider Psychiatry Physician · NPI 1124148721

Dr. Robert Ira Sack, MD is a Psychiatry in Lancaster, Pennsylvania. Graduated from University of Cincinnati College of Medicine in 1982, 44 years ago. Practices with T.w. Ponessa and Associates Counseling Services, Inc, a 19-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
44
Trained at
University of Cincinnati College of Medicine
Licensed in
PA
In the registry since
2007
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

410 N Prince St T W Ponessa And Associates
Lancaster, PA 17603-3010
Phone: (717) 560-7917
Fax: (717) 560-6452
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD438306 (PA)

Record details

NPI number1124148721
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 29, 2007
Last updated in NPPESJuly 9, 2016
Mailing address5410 Avenue Simone, Lutz, FL 33558-2828

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 1982 (44 years in practice)
Group practice T.W. Ponessa And Associates Counseling Services, Inc. — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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