Doctor profile · Federal record

Dr. Abigail Ryzewski, LCSW

Social Worker (CMS: Clinical Social Worker) · Worcester, MA

  • NPI 1538771670
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
411 Chandler St
Worcester, MA 016023339
(508) 799-0688

Credentials & registration

NPPES · NUCC
NPI registered
August 2020 — 6 yrs on file
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
104100000X — NUCC code
State license (1)
Massachusetts #225263

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538771670. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
132
Distinct HCPCS
2
Medicare allowed
$8,422
HCPCS Description Services Patients Avg allowed
90832 Psychotherapy, 30 minutes 85 56 $57
90834 Psychotherapy, 45 minutes 47 23 $76

In context: peer comparison

Among 4 peers in this city , average services per provider: 74. This provider delivers 1.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Abigail Ryzewski's medical specialty?
Dr. Abigail Ryzewski practices Social Worker in Worcester, MA.
Where does Dr. Abigail Ryzewski practice?
Dr. Abigail Ryzewski practices at 411 Chandler St, Worcester, MA 016023339. Office phone: 5087990688.
What is Dr. Abigail Ryzewski's NPI?
Dr. Abigail Ryzewski's National Provider Identifier (NPI) is 1538771670, issued by NPPES.
Does Dr. Abigail Ryzewski accept Medicare assignment?
Yes. Dr. Abigail Ryzewski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Abigail Ryzewski commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90832); Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.