Doctor profile · Federal record

Dr. Michaelle Armand-Tassy, LCSW

Clinical Social Worker · Riverhead, NY

  • NPI 1669643979
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1380 Roanoke Ave, Suite 201
Riverhead, NY 119012098
(631) 369-4418
fax (631) 369-4421

Credentials & registration

NPPES · NUCC
NPI registered
March 2008 — 18 yrs on file
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
New York #071965-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669643979. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
260
Distinct HCPCS
2
Medicare allowed
$27,994
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 171 11 $121
90834 Psychotherapy, 45 minutes 89 11 $82

In context: peer comparison

Among 3 peers in Riverhead Clinical Social Worker, average services per provider: 635. This provider delivers 0.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Michaelle Armand-Tassy's medical specialty?
Dr. Michaelle Armand-Tassy practices Clinical Social Worker in Riverhead, NY.
Where does Dr. Michaelle Armand-Tassy practice?
Dr. Michaelle Armand-Tassy practices at 1380 Roanoke Ave, Riverhead, NY 119012098. Office phone: 6313694418.
What is Dr. Michaelle Armand-Tassy's NPI?
Dr. Michaelle Armand-Tassy's National Provider Identifier (NPI) is 1669643979, issued by NPPES.
Does Dr. Michaelle Armand-Tassy accept Medicare assignment?
Yes. Dr. Michaelle Armand-Tassy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michaelle Armand-Tassy commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.