Quick answers
- Does Lindsay A. Grotting accept Medicare assignment?
- Yes. Medicare's clinician data says Lindsay A. Grotting accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Lindsay A. Grotting see?
- In 2024, CMS data shows 320 Original Medicare patients and 10,374 services for Lindsay A. Grotting. This counts Original Medicare only and measures volume, not quality.
- What is Lindsay A. Grotting's NPI number?
- 1164721619. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Lindsay A. Grotting, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 320 |
|---|---|
| Services billed to Medicare | 10,374 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, faricimab-svoa, 0.1 mg (J2777)4,740 services
- Imaging of retina (92134)1,289 services
- Injection of drug into eye (67028)815 services
- Injection, aflibercept hd, 1 mg (J0177)504 services
- Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mg (Q5128)496 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Diabetes41%
- Chronic kidney disease28%
- Ischemic heart disease25%
Practice locations
Addresses where Lindsay A. Grotting is enrolled with Medicare (CMS data updated October 2, 2026).
- 4201 Torrance Blvd, Suite 220Torrance, CA 90503 (310) 944‑9393
Group practices
Medicare enrollment lists Lindsay A. Grotting as a member of this group (CMS data updated October 2, 2026).
- Retina Macula Institute5 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Torrance
Clinicians with the same Medicare primary specialty in Torrance, CA — not a recommendation.
Other clinicians in Retina Macula Institute
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164721619 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians