Doctor profile · Federal record

Dr. Rebecca Kowaloff, DO

Hospice and Palliative Medicine (Internal Medicine) Physician (CMS: Hospice/Palliative Care) · Worcester, MA

  • NPI 1366738890
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 016550002
(508) 334-4830
fax (774) 441-6710
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
May 19, 2022
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RH0002X — NUCC code
State license (1)
Massachusetts #277684

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366738890. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
347
Distinct HCPCS
5
Medicare allowed
$40,169
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 133 63 $120
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 80 79 $175
99497 Advance care planning, first 30 minutes 76 61 $76
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 34 25 $80
99498 Advance care planning, each additional 30 minutes 24 18 $72

In context: peer comparison

Among 1 peers in this city , average services per provider: 69. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
112
Patients
0
Total drug cost
$6,523
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 17 0 $234
Mirtazapine Generic 15 0 $324
Hydrocortisone Generic 13 0 $28
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 12 0 $51
Cinacalcet Hcl Generic 11 0 $326
Fluoxetine Hcl Generic 11 0 $50
Myrbetriq (Mirabegron) Brand 11 0 $4,794
Omeprazole Generic 11 0 $158
Venlafaxine Hcl Er (Venlafaxine Hcl) Brand 11 0 $558

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Rebecca Kowaloff's medical specialty?
Dr. Rebecca Kowaloff practices Hospice and Palliative Medicine (Internal Medicine) Physician in Worcester, MA.
Where does Dr. Rebecca Kowaloff practice?
Dr. Rebecca Kowaloff practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5083344830.
What is Dr. Rebecca Kowaloff's NPI?
Dr. Rebecca Kowaloff's National Provider Identifier (NPI) is 1366738890, issued by NPPES.
Does Dr. Rebecca Kowaloff accept Medicare assignment?
Yes. Dr. Rebecca Kowaloff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rebecca Kowaloff commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.