Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Tiffany Diana Sullivan, MS, LPC

Individual provider Mental Health Counselor · NPI 1619786100

Tiffany Diana Sullivan, MS, LPC is a Mental Health Counselor in Philadelphia, Pennsylvania. Qualified in 2019, 7 years ago. Practices with University of Penn-Medical Group, a 3,401-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
7
Licensed in
PA
In the registry since
2024
What do these letters mean?
MS — Master of Science
A graduate science degree.
LPC — Licensed Professional Counselor
A licensed mental health counsellor.

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Practice location Address checks out

3535 Market St Fl 5
Philadelphia, PA 19104-3345
Phone: (215) 746-4110
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence PC016598 (PA)

Record details

NPI number1619786100
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , LPC
Sole proprietorNo
NPI enumeratedDecember 30, 2024
Last updated in NPPESApril 17, 2025
Certification dateApril 17, 2025

Medicare enrollment

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

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice University Of Penn-Medical Group — 3401 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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