BROCK ALONZO M.D. NPI 1144649138

NPI Information

  • NPI: 1144649138
  • Provider Name: BROCK ALONZO, M.D.
  • Classification: Ophthalmology - 207WX0009X
  • Specialization: Glaucoma Specialist
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 300 N 10TH ST STE A
    HAMILTON, MT
    ZIP 59840
  • Phone: (406) 363-5434

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NPI Details

Brock Alonzo, M.D. is a glaucoma specialist ophthalmology in Hamilton, MT. The provider is an ophthalmologist who specializes in the treatment of glaucoma and other disorders related to increased intraocular pressure and optic nerve damage. This specialty involves the medical and surgical treatment of these conditions. Brock Alonzo, M.D. NPI is 1144649138. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

300 N 10TH ST STE A
HAMILTON, MT
ZIP 59840-322
Phone: (406) 363-5434
Fax: (406) 363-5210

The NPI 1144649138 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The enumeration date for this NPI number is 4/7/2014 and was last updated on 9/11/2025.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207WX0009XOphthalmologyGlaucoma Specialist77900MONTANAYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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