NPPES file of Aug 9, 2026

Tiffany Diana Sullivan, MS, LPC

Mental Health Counselor · Philadelphia, PA

Tiffany Diana Sullivan, MS, LPC is a mental health counselor with a practice address in Philadelphia, Pennsylvania, and NPI 1619786100, issued on Dec 30, 2024. Check the license (Pennsylvania PC016598, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619786100
Name
Tiffany Diana Sullivan
Credential
MS, LPC
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
PC016598 PA
Self-reported in NPPES; status is on the state search
Practice location
3535 Market St FL 5, Philadelphia, PA 19104
Phone
(215) 746-4110
Enumerated
Dec 30, 2024
Record last updated
Apr 17, 2025
Medicare enrollment
Enrolled (PECOS I20250325000187); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest mental health counselor records → All 10,019 in Pennsylvania → Look up another NPI →

Also registered at 3535 Market St FL 5

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christopher Chianese, M.ED., MSNPsychiatric/Mental Health Nurse Practitioner1215750120
  2. Gail Kaempf, CRNPFamily Nurse Practitioner1174721435
  3. Edwin Kim, MDAddiction Psychiatry Physician1134549504

Verify Tiffany Diana Sullivan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license PC016598    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. University OF Penn - Medical GroupPhiladelphia, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tiffany Diana Sullivan among 10,019 mental health counselor records in Pennsylvania

Tiffany Diana Sullivan, MS, LPC is one of 10,019 mental health counselor records with a practice address in Pennsylvania. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 73% of them.

  • NPI issued2024 · 73% of these records are older, 16% newer
  • In a Medicare fileYes · 4% of these records are
  • In the CMS Doctors and Clinicians fileYes · 7% of these records are
  • Graduated2019 · median 2017 among the 654 with a school on file
  • Record last updated2025 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,310 mental health counselor records list a practice address in Philadelphia

They are 1,310 of the 42,849 NPPES records with a practice address in Philadelphia, and 10,019 mental health counselor records in Pennsylvania.

All 10,019 in Pennsylvania → Every provider in Philadelphia → Mental Health Counselor nationwide →

The 8 mental health counselor records with the nearest ZIP codes

  1. Michael Calloway, BAPhiladelphia, PA 191041760596472
  2. Joanne CasseusPhiladelphia, PA 191041164686663
  3. Dana CostaPhiladelphia, PA 191041568842169
  4. Marcus Garrido-BalanzateguiPhiladelphia, PA 191041811463656
  5. Ray Hessek, LPCPhiladelphia, PA 191041356670228
  6. Linnae Homza, LPCPhiladelphia, PA 191041922520097
  7. Cherie LopezPhiladelphia, PA 191041922431857
  8. Emily Lyons, LPCPhiladelphia, PA 191041740666338

Common questions

What is Tiffany Diana Sullivan, MS, LPC's NPI number?

Tiffany Diana Sullivan, MS, LPC's National Provider Identifier (NPI) is 1619786100, issued on Dec 30, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Tiffany Diana Sullivan, MS, LPC located?

The NPPES record lists a practice address at 3535 Market St FL 5, Philadelphia, PA, 19104. Phone: (215) 746-4110. Providers update this record themselves, so call before visiting.

How can I verify Tiffany Diana Sullivan, MS, LPC's license?

NPPES lists Pennsylvania license number PC016598, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.