Doctor profile · Federal record

Dr. Inna Barg, MD

Psychiatry Physician (CMS: Psychiatry) · Chatsworth, CA

  • NPI 1447335377
  • Accepts Medicare
  • 43 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20151 Nordhoff St
Chatsworth, CA 913116215
(818) 407-3200
fax (455) 281-8775

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
November 20, 2020
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #A64081

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447335377. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
220
Distinct HCPCS
4
Medicare allowed
$20,795
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 65 40 $56
99213 Established patient office or other outpatient visit, 20-29 minutes 59 50 $80
99443 Telephone medical discussion with physician, 21-30 minutes 59 41 $131
99214 Established patient office or other outpatient visit, 30-39 minutes 37 35 $127

In context: peer comparison

Among 1 peers in Chatsworth Psychiatry Physician, average services per provider: 55. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,675
Patients
138
Total drug cost
$226,680
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 251 23 $10,102
Olanzapine Generic 162 17 $8,271
Sertraline Hcl Generic 151 22 $1,907
Lorazepam Generic 135 20 $1,052
Citalopram Hbr (Citalopram Hydrobromide) Brand 122 14 $941
Trazodone Hcl Generic 114 17 $1,442
Risperidone Generic 105 0 $2,634
Clozapine Generic 104 0 $6,557
Benztropine Mesylate Generic 103 12 $1,567
Gabapentin Generic 97 13 $1,969

Frequently asked questions

Auto-generated from federal data
What is Dr. Inna Barg's medical specialty?
Dr. Inna Barg practices Psychiatry Physician in Chatsworth, CA.
Where does Dr. Inna Barg practice?
Dr. Inna Barg practices at 20151 Nordhoff St, Chatsworth, CA 913116215. Office phone: 8184073200.
What is Dr. Inna Barg's NPI?
Dr. Inna Barg's National Provider Identifier (NPI) is 1447335377, issued by NPPES.
Does Dr. Inna Barg accept Medicare assignment?
Yes. Dr. Inna Barg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Inna Barg commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99213); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.