CMS-1500 Box 24J / 33a • NPI
1144649138
Type 1 Individual Rendering/Ordering
HIPAA NUCC Taxonomy • CMS Code
207WX0009X (CMS 18)
Board-Certified in Ophthalmology (Medical & Microsurgical Eye Doctor)
Box 32 Service Location & ZIP+4
300 N 10TH ST STE A, HAMILTON, MT, 59840-5322
✓ 9-Digit EDI 837 ZIP+4 (59840-5322)
✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR:
NPI
1144649138 (BROCK ALONZO, M.D.) has 0 active federal exclusions across all 84,224 HHS OIG LEIE sanction records (Database Verified: 2026-11-11).
CMS Medicare Order & Referring PECOS Eligibility
Medicare Part B
✓ Eligible
DMEPOS Ordering
✓ Eligible
Home Health (HHA)
✓ Eligible
Power Mobility
✓ Eligible
Hospice Referring
✓ Eligible
Empirical CMS Medicare Claims, CPT Utilization & Part D Prescribing (NPI #1144649138)
Actual Top Prescribed Medications (CMS Part D)
| Brand / Generic Medication | Total Claims | Patients |
|---|---|---|
| Brimonidine Tartrate Brimonidine Tartrate | 74 | 18 |
| Dorzolamide Hcl Dorzolamide Hcl | 13 | <11 |
| Dorzolamide-Timolol Dorzolamide Hcl/Timolol Maleat | 57 | 15 |
| Ketorolac Tromethamine Ketorolac Tromethamine | 40 | 26 |
| Latanoprost Latanoprost | 313 | 71 |
| Moxifloxacin Moxifloxacin Hcl | 130 | 73 |
| Neomycin-Polymyxin-Dexameth Neomycin/Polymyxin B/Dexametha | 12 | <11 |
| Prednisolone Acetate Prednisolone Acetate | 162 | 86 |
Official CMS NPPES Credential & Practice Profile
| 10-Digit NPI Number | 1144649138 (NPI-1 Individual Practitioner) |
|---|---|
| Provider / Legal Name | BROCK ALONZO, M.D. |
| Plain-English Specialty | Board-Certified in Ophthalmology (Medical & Microsurgical Eye Doctor) NUCC Code: 207WX0009X (Ophthalmology, Glaucoma Specialist) |
| Certifying / Licensing Body | American Board of Ophthalmology (ABO) |
| Practice Location Address | 300 N 10TH ST STE A, HAMILTON, MT, 59840-5322 |
| Practice Telephone / Fax | Tel: (406) 363-5434 | Fax: (406) 363-5210 |
| Administrative Mailing Address | 300 N 10TH ST STE A, HAMILTON, MT, 59840-5322 |
| Enumeration & Last Sync | Enumerated: 2014-04-07 | CMS Record Updated: 2025-09-11 |
Clinic Location, Accessibility & Directions
📍 Practice Location & Patient Access
🗺️ Open in Google Maps 🏥 More Providers in HAMILTON
🔒 Are you BROCK ALONZO, M.D.? Get your Verified NPI Clinic Badge or request personal phone/address redaction →
Plain-English Taxonomy & CMS Crosswalk (207WX0009X)
What Does Taxonomy Code 207WX0009X Mean?
In the HIPAA National Uniform Claim Committee (NUCC) classification, code 207WX0009X translates to:
"Board-Certified in Ophthalmology (Medical & Microsurgical Eye Doctor)"
Specialty Clinical Procedures & Therapeutic Classes
Standard Scope of Care (BROCK ALONZO, M.D.)
Typical CPT / Diagnostic Procedures:- Phacoemulsification Cataract Extraction with Intraocular Lens (IOL) Implantation (CPT 66984)
- Optical Coherence Tomography (OCT) of Retina & Optic Nerve (CPT 92134)
- Intravitreal Anti-VEGF Injections for Macular Degeneration & Diabetic Retinopathy
- Comprehensive Slit-Lamp Biomicroscopy & Tonometry Glaucoma Screening
- Prostaglandin Analog Eye Drops (Latanoprost, Bimatoprost) & Timolol (Glaucoma)
- Moxifloxacin & Ciprofloxacin Ophthalmic Solutions
- Prednisolone Acetate & Ketorolac Post-Cataract Ophthalmic Drops
All Registered NUCC Taxonomies & State Licenses
| Taxonomy Code & Plain-English Description | State License & Primary Status |
|---|---|
207WX0009X — Ophthalmology, Glaucoma SpecialistPlain English: Board-Certified in Ophthalmology (Medical & Microsurgical Eye Doctor) | State: MT | License: 77900 | Primary: Yes (Primary) |
Medical Billing, RCM & Hospital Credentialing Teams:
Batch-verify up to 25 NPIs free against CMS NPPES + Medicare PECOS + HHS OIG Exclusions with 1-click CSV export.