Doctor profile · Federal record

Dr. Mark Bloch

Psychiatry Physician · Martinez, CA

  • NPI 1932388485
  • 19 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2500 Alhambra Ave
Martinez, CA 945533156
(925) 370-5110
fax (925) 370-5142
Mailing address
50 Douglas Dr, Suite 391
Martinez, CA 945534098

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #A60705

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932388485. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$264
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, INC. 2 $151.37
E.R. Squibb & Sons, L.L.C. 1 $112.53

By nature of payment

Food and Beverage
$264

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,569
Patients
342
Total drug cost
$71,331
Drug Type Claims Patients Total cost
Lamotrigine Generic 203 38 $4,536
Lorazepam Generic 149 33 $837
Mirtazapine Generic 139 36 $4,464
Gabapentin Generic 136 27 $2,179
Bupropion Xl (Bupropion Hcl) Brand 131 30 $3,844
Quetiapine Fumarate Generic 129 16 $3,630
Buspirone Hcl Generic 125 31 $4,574
Sertraline Hcl Generic 96 24 $1,245
Clonazepam Generic 82 12 $608
Duloxetine Hcl Generic 69 20 $4,806

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Bloch's medical specialty?
Dr. Mark Bloch practices Psychiatry Physician in Martinez, CA.
Where does Dr. Mark Bloch practice?
Dr. Mark Bloch practices at 2500 Alhambra Ave, Martinez, CA 945533156. Office phone: 9253705110.
What is Dr. Mark Bloch's NPI?
Dr. Mark Bloch's National Provider Identifier (NPI) is 1932388485, issued by NPPES.