Doctor profile · Federal record

Dr. Brian Greenberg, CNP

Nurse Practitioner · Worcester, MA

  • NPI 1194084178
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 016550002
(508) 421-1400
fax (508) 421-1490
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
November 20, 2020
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Massachusetts #RN2268586
Medicaid
MA #110093533A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194084178. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
184
Distinct HCPCS
2
Medicare allowed
$12,879
HCPCS Description Services Patients Avg allowed
99238 Hospital discharge day management, 30 minutes or less 156 154 $70
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 28 27 $69

In context: peer comparison

Among 119 peers in Worcester Nurse Practitioner, average services per provider: 94. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
28
Patients
0
Total drug cost
$503
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 17 0 $168
Cefpodoxime Proxetil Generic 11 0 $335

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Greenberg's medical specialty?
Dr. Brian Greenberg practices Nurse Practitioner in Worcester, MA.
Where does Dr. Brian Greenberg practice?
Dr. Brian Greenberg practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5084211400.
What is Dr. Brian Greenberg's NPI?
Dr. Brian Greenberg's National Provider Identifier (NPI) is 1194084178, issued by NPPES.
Does Dr. Brian Greenberg accept Medicare assignment?
Yes. Dr. Brian Greenberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Greenberg commonly perform?
Top Medicare-reported procedures in 2023: Hospital discharge day management (HCPCS 99238); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.