Mark Herbst, M.D.
NPI 1578516811 · Psychiatry Physician · Los Angeles, CA
Mark Herbst, M.D. is a Psychiatry Physician provider in Los Angeles, CA (NPI 1578516811).
Provider details
- NPI number
- 1578516811
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G59419 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 140 | 33 |
| Diazepam | 93 | 16 |
| Lorazepam | 93 | 22 |
| Bupropion Hclbrand: Bupropion Xl | 85 | 22 |
| Semaglutidebrand: Ozempic | 80 | 14 |
| Mirtazapine | 77 | 21 |
| Doxepin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$218 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-18
- Last updated
- 2013-12-06
Frequently asked questions
- What is Mark Herbst's NPI number?
- Mark Herbst's National Provider Identifier (NPI) is 1578516811, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Herbst's specialty?
- Mark Herbst is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Herbst located?
- Mark Herbst's practice location on file with NPPES is 1891 Effie St, Los Angeles, CA 90026-1711.
- What is Mark Herbst's phone number?
- The practice phone number listed in the NPPES registry for Mark Herbst is (323) 644-2000.
- Is Mark Herbst's NPI active?
- Yes — Mark Herbst's NPI (1578516811) is active in the NPPES registry as of the last update on 2013-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.