Doctor profile · Federal record

Dr. Frank Guastella, LCSW

Clinical Social Worker · Riverhead, NY

  • NPI 1912445792
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
400 W Main St
Riverhead, NY 119012813
(631) 508-5006
fax (631) 369-5433
Additional location
215 Hallock RD
Stony Brook, NY 117903078
(631) 551-5095
Mailing address
130 Artist Lake Dr
Middle Island, NY 119532311

Credentials & registration

NPPES · NUCC
NPI registered
February 2017 — 9 yrs on file
Profile last updated
November 23, 2020
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
New York #090429-01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912445792. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
218
Distinct HCPCS
2
Medicare allowed
$6,606
HCPCS Description Services Patients Avg allowed
90853 Group psychotherapy 173 12 $22
90832 Psychotherapy, 30 minutes 45 14 $62

In context: peer comparison

Among 3 peers in Riverhead Clinical Social Worker, average services per provider: 635. This provider delivers 0.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Frank Guastella's medical specialty?
Dr. Frank Guastella practices Clinical Social Worker in Riverhead, NY.
Where does Dr. Frank Guastella practice?
Dr. Frank Guastella practices at 400 W Main St, Riverhead, NY 119012813. Office phone: 6315085006.
What is Dr. Frank Guastella's NPI?
Dr. Frank Guastella's National Provider Identifier (NPI) is 1912445792, issued by NPPES.
Does Dr. Frank Guastella accept Medicare assignment?
Yes. Dr. Frank Guastella accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Frank Guastella commonly perform?
Top Medicare-reported procedures in 2023: Group psychotherapy (HCPCS 90853); Psychotherapy (HCPCS 90832). Source: CMS Medicare Physician & Other Practitioners file.