Inna Barg, MD
Psychiatry Physician · Chatsworth, CA
Inna Barg, MD is a psychiatry physician with a practice address in Chatsworth, California, and NPI 1447335377, issued on Oct 26, 2006. Check the license (California A64081, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Inna Barg
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A64081 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20151 Nordhoff St, Chatsworth, CA 91311
- Phone
- (818) 407-3200
- Enumerated
- Oct 26, 2006
- Record last updated
- Nov 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (455) 281-8775
- Medicare enrollment
- Enrolled (PECOS I20090804000831); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 20151 Nordhoff St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marissa Andres-Kim, MDPsychiatry Physician1376779744
- Elena Angulo, MSWClinical Social Worker1730370271
- Jasmine AntimoRecreation Therapist1366079832
- Perla AragonClinical Social Worker1184756231
- Sanam BaldwinPsychiatric/Mental Health Nurse Practitioner1326746702
- Diana BallDay Training/Habilitation Specialist1962729921
Verify Inna Barg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A64081Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average psychiatry physician in 2024
2,258 Medicare Part D claims for 140 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Quetiapine Fumarate241 claims
- Lorazepam139 claims
- Clozapine136 claims
- Olanzapine123 claims
- Sertraline Hcl117 claims
- Trazodone Hcl96 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Los Angeles County Department OF Mental HealthChatsworth, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
9 psychiatry physician records list a practice address in Chatsworth
They are 9 of the 498 NPPES records with a practice address in Chatsworth, and 8,673 psychiatry physician records in California.
All 9 in Chatsworth → All 8,673 in California → Every provider in Chatsworth →
Other psychiatry physician records in California
- Nancy Aaen, MDNapa, CA1609816669
- Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
- Mekabiz Abaian, MDSan Bernardino, CA1891090163
- Brenda Abarca, MDTorrance, CA1407485527
- Pilar Abascal, M.D.Los Angeles, CA1730528191
- Michele Abbasi, M.D.Westlake Village, CA1093940330
- Zohaib AbbasiMartinez, CA1013392224
- Sandy Abdelkedous, MDFresno, CA1306093109
- Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
- Ezzat Abdelmalek, M.DDana Point, CA1992828826
Common questions
What is Inna Barg, MD's NPI number?
Inna Barg, MD's National Provider Identifier (NPI) is 1447335377, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Inna Barg, MD located?
The NPPES record lists a practice address at 20151 Nordhoff St, Chatsworth, CA, 91311. Phone: (818) 407-3200. Providers update this record themselves, so call before visiting.
How can I verify Inna Barg, MD's license?
NPPES lists California license number A64081, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Inna Barg, MD prescribe under Medicare Part D?
In 2024, Inna Barg, MD had 2,258 Medicare Part D claims for 140 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.