Louis Klieger, MD
NPI 1841378569 · Ophthalmology Physician · Rancho Cordova, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Klieger, MD is a Ophthalmology Physician provider in Rancho Cordova, CA (NPI 1841378569).
Provider details
- NPI number
- 1841378569
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A82111 (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
19 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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 560 | 195 |
| Cyclosporine | 354 | 100 |
| Timolol Maleate | 158 | 61 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 136 | 50 |
| Brimonidine Tartrate | 135 | 55 |
| Bimatoprost | 54 | 14 |
| Netarsudil Mesylatebrand: Rhopressa | 50 | 18 |
| Lifitegrast |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$651 across 7 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
- 2006-11-01
- Last updated
- 2021-12-09
Frequently asked questions
- What is Louis Klieger's NPI number?
- Louis Klieger's National Provider Identifier (NPI) is 1841378569, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Klieger's specialty?
- Louis Klieger is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Klieger located?
- Louis Klieger's practice location on file with NPPES is 10725 International Dr, Rancho Cordova, CA 95670-7967.
- What is Louis Klieger's phone number?
- The practice phone number listed in the NPPES registry for Louis Klieger is (916) 631-3000.
- Does Louis Klieger accept Medicare?
- Louis Klieger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Klieger's NPI active?
- Yes — Louis Klieger's NPI (1841378569) is active in the NPPES registry as of the last update on 2021-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.