Doctor profile · Federal record

Dr. Robert Berkowitz, M.D.

Psychiatry Physician (CMS: Psychiatry) · Natick, MA

  • NPI 1538183504
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
67 Union St, Suite 404
Natick, MA 017607700
(508) 651-1041
fax (508) 651-0811

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Massachusetts #70371
Medicaid
MA #0121070

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538183504. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,200
Distinct HCPCS
4
Medicare allowed
$113,341
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 490 40 $99
90836 Psychotherapy with evaluation and management visit, 45 minutes 287 24 $90
90833 Psychotherapy with evaluation and management visit, 30 minutes 275 30 $72
99214 Established patient office or other outpatient visit, 30-39 minutes 148 28 $130

In context: peer comparison

Among 3 peers in Natick Psychiatry Physician, average services per provider: 219. This provider delivers 5.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
431
Patients
0
Total drug cost
$14,316
Drug Type Claims Patients Total cost
Lorazepam Generic 84 0 $457
Clozapine Generic 48 0 $1,604
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 41 0 $1,397
Lamotrigine Generic 36 0 $761
Escitalopram Oxalate Generic 33 0 $883
Methylphenidate Hcl Generic 24 0 $1,169
Trazodone Hcl Generic 24 0 $600
Alprazolam Generic 21 0 $262
Bupropion Xl (Bupropion Hcl) Brand 20 0 $1,126
Gabapentin Generic 18 0 $915

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Berkowitz's medical specialty?
Dr. Robert Berkowitz practices Psychiatry Physician in Natick, MA.
Where does Dr. Robert Berkowitz practice?
Dr. Robert Berkowitz practices at 67 Union St, Natick, MA 017607700. Office phone: 5086511041.
What is Dr. Robert Berkowitz's NPI?
Dr. Robert Berkowitz's National Provider Identifier (NPI) is 1538183504, issued by NPPES.
Does Dr. Robert Berkowitz accept Medicare assignment?
Yes. Dr. Robert Berkowitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Berkowitz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Psychotherapy with evaluation and management visit (HCPCS 90836); Psychotherapy with evaluation and management visit (HCPCS 90833). Source: CMS Medicare Physician & Other Practitioners file.