Mark Emmanuel Landig
NPI 1689916520 · Optometrist · Los Angeles, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Emmanuel Landig is a Optometrist provider in Los Angeles, CA (NPI 1689916520).
Provider details
- NPI number
- 1689916520
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 14845TLG (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
986 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Problem Focused Exam of Visual System92012 | 456 | $100 |
| Imaging of Retina92134 | 129 | $45 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 81 | $138 |
| Imaging of Optic Nerve92133 | 76 | $37 |
| Established Patient Complete Exam of Visual System92014 | 68 | $140 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 46 | $99 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Difluprednate | 165 | 136 |
| Prednisolone Acetate | 153 | 119 |
| Latanoprost | 93 | 28 |
| Lifitegrastbrand: Xiidra | 68 | 25 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 34 | — |
| Bimatoprostbrand: Lumigan | 31 | — |
| Cyclosporine | 30 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$89 across 4 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
- 2013-03-18
- Last updated
- 2025-01-28
- Certified
- 2025-01-28
Frequently asked questions
- What is Mark Emmanuel Landig's NPI number?
- Mark Emmanuel Landig's National Provider Identifier (NPI) is 1689916520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Emmanuel Landig's specialty?
- Mark Emmanuel Landig is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Mark Emmanuel Landig located?
- Mark Emmanuel Landig's practice location on file with NPPES is 300 Stein Plaza, Los Angeles, CA 90095-0001.
- What is Mark Emmanuel Landig's phone number?
- The practice phone number listed in the NPPES registry for Mark Emmanuel Landig is (310) 825-5000.
- Does Mark Emmanuel Landig accept Medicare?
- Mark Emmanuel Landig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Emmanuel Landig's NPI active?
- Yes — Mark Emmanuel Landig's NPI (1689916520) is active in the NPPES registry as of the last update on 2025-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.