Brent Lum, M.D.
NPI 1891954772 · Ophthalmology Physician · Modesto, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brent Lum, M.D. is a Ophthalmology Physician provider in Modesto, CA (NPI 1891954772).
Provider details
- NPI number
- 1891954772
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- BP1-0032047 (TX)
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 tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 729 | 301 |
| Prednisolone Acetate | 274 | 222 |
| Moxifloxacin Hclbrand: Moxifloxacin | 230 | 204 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 190 | 71 |
| Timolol Maleate | 154 | 52 |
| Cyclosporine | 131 | 50 |
| Brimonidine Tartrate | 102 | 38 |
| Erythromycin Base |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-05
- Last updated
- 2021-12-15
Frequently asked questions
- What is Brent Lum's NPI number?
- Brent Lum's National Provider Identifier (NPI) is 1891954772, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brent Lum's specialty?
- Brent Lum is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Brent Lum located?
- Brent Lum's practice location on file with NPPES is 4601 Dale Rd, Modesto, CA 95356-9718.
- What is Brent Lum's phone number?
- The practice phone number listed in the NPPES registry for Brent Lum is (209) 476-3484.
- Does Brent Lum accept Medicare?
- Brent Lum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brent Lum's NPI active?
- Yes — Brent Lum's NPI (1891954772) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.