Mark Bloch
NPI 1932388485 · Psychiatry Physician · Martinez, CA
Mark Bloch is a Psychiatry Physician provider in Martinez, CA (NPI 1932388485).
Provider details
- NPI number
- 1932388485
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- A60705 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 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 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lamotrigine | 208 | 37 |
| Lorazepam | 172 | 36 |
| Quetiapine Fumarate | 155 | 22 |
| Gabapentin | 118 | 28 |
| Sertraline Hcl | 115 | 29 |
| Mirtazapine | 111 | 30 |
| Clonazepam | 106 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$264 across 3 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
- 2007-11-01
- Last updated
- 2007-11-01
Frequently asked questions
- What is Mark Bloch's NPI number?
- Mark Bloch's National Provider Identifier (NPI) is 1932388485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Bloch's specialty?
- Mark Bloch is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Bloch located?
- Mark Bloch's practice location on file with NPPES is 2500 Alhambra Ave, Martinez, CA 94553-3156.
- What is Mark Bloch's phone number?
- The practice phone number listed in the NPPES registry for Mark Bloch is (925) 370-5110.
- Is Mark Bloch's NPI active?
- Yes — Mark Bloch's NPI (1932388485) is active in the NPPES registry as of the last update on 2007-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.