Mark Herbst, M.D.
Psychiatry Physician · Los Angeles, CA
Mark Herbst, M.D. is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1578516811, issued on May 18, 2006. Check the license (California G59419, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Herbst
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- G59419 CA
13321 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1891 Effie St, Los Angeles, CA 90026
- Phone
- (323) 644-2000
- Enumerated
- May 18, 2006
- Record last updated
- Dec 6, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 567117-02 HI
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 1891 Effie St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mirela AbinalesPsychiatric/Mental Health Nurse Practitioner1265201693
- Michelle Acitelli CardosoStudent in an Organized Health Care Education/Training Program1942931431
- Irene AguilarMental Health Counselor1891829453
- Tanyanika Ajayi, MAMarriage & Family Therapist1588794655
- Annika AlconStudent in an Organized Health Care Education/Training Program1649098401
- Emanooel AlexanStudent in an Organized Health Care Education/Training Program1912790197
Verify Mark Herbst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G59419Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average psychiatry physician in 2024
2,581 Medicare Part D claims for 122 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 51 claims were for opioids.
Most prescribed
- Alprazolam140 claims
- Diazepam93 claims
- Lorazepam93 claims
- Bupropion Xl85 claims
- Ozempic80 claims
- Mirtazapine77 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.
Industry payments in 2024: $217.52
6 payments; by number, the most common kind was food and beverage; the largest payer was Harmony Biosciences LLC. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark Herbst among 8,673 psychiatry physician records in California
Mark Herbst, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2013 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
987 psychiatry physician records list a practice address in Los Angeles
They are 987 of the 69,537 NPPES records with a practice address in Los Angeles, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Los Angeles → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Luis Gonzalez, MDLos Angeles, CA 900261093219909
- Clifford Iriele, M.D.Los Angeles, CA 900261518124718
- Melissa Vallas, M.D.Los Angeles, CA 900261356403596
- Imani Walker, D.O.Los Angeles, CA 900261053514588
- David Bresler, M.D.Los Angeles, CA 900251184018483
- Jessica Carr, MDLos Angeles, CA 900251265069009
- Serop Chalian, MDLos Angeles, CA 900251396303582
- Rabia Choudhry, DOLos Angeles, CA 900251336728500
Common questions
What is Mark Herbst, M.D.'s NPI number?
Mark Herbst, M.D.'s National Provider Identifier (NPI) is 1578516811, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Herbst, M.D. located?
The NPPES record lists a practice address at 1891 Effie St, Los Angeles, CA, 90026. Phone: (323) 644-2000. Providers update this record themselves, so call before visiting.
How can I verify Mark Herbst, M.D.'s license?
NPPES lists California license number G59419, 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 Mark Herbst, M.D. prescribe under Medicare Part D?
In 2024, Mark Herbst, M.D. had 2,581 Medicare Part D claims for 122 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.