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RETINA MACULA INSTITUTE
NPI 1487798773
Specialist in Torrance, CA

Active since February 19, 2007
4201 TORRANCE BLVD STE 220, TORRANCE, CA 90503(310) 944-9393(310) 318-5317 Get Directions Write a Review

NPPES record last updated: May 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Retina Macula Institute NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RETINA MACULA INSTITUTE (NPI 1487798773) is a healthcare organization registered as a specialist in Torrance, California and active in the NPI registry since February 2007. The organization lists Steven Madreperla, President, as its authorized official.

NPPES Registry Identity

NPI1487798773
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameRETINA MACULA INSTITUTE
Location Address4201 TORRANCE BLVD STE 220Torrance, CA 90503-4537
Mailing Address420 Mountain Ave Fl 4New Providence, NJ 07974-2736 · (908) 458-8333
Phone(310) 944-9393
Fax(310) 318-5317
Organization SubpartNo
Authorized OfficialSteven MadreperlaPresident · (908) 458-8333
Enumeration DateFebruary 19, 2007
Last NPPES UpdateMay 7, 2026
NPPES CertifiedMay 7, 2026
✔ NPI 1487798773 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · G78240
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
4201 TORRANCE BLVD STE 220, Torrance, CA 90503
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Retina Macula Institute is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Retina Macula Institute, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Ron Gallemore, MD
Ophthalmology
NPI 1912968496
4201 TORRANCE BLVD STE 220
Torrance, CA 90503
(310) 944-9393
✔ PECOS✔ Accepts MedicareSame address
Lindsay Grotting, M.D.
Ophthalmology
NPI 1164721619
4201 TORRANCE BLVD STE 220
Torrance, CA 90503
(310) 944-9393
✔ PECOS✔ Accepts MedicareSame address
Michael Heeg, M.D.
Ophthalmology
NPI 1972555142
4201 TORRANCE BLVD STE 220
Torrance, CA 90503
(310) 944-9393
✔ PECOS✔ Accepts MedicareSame address
Josh Wallsh, M.D.
Ophthalmology
NPI 1740634567
4201 TORRANCE BLVD STE 220
Torrance, CA 90503
(310) 944-9393
✔ PECOS✔ Accepts MedicareSame address
James Peace, M.D. INC
Ophthalmology
NPI 1497836423
431 N PRAIRIE AVE
Inglewood, CA 90301
(310) 671-7172
✔ PECOS✔ Accepts Medicare8.4 mi
Masumi Asahi, DO
Ophthalmology
NPI 1962963769
101 THE CITY DR S STE 400
Orange, CA 92868
(714) 456-5691
✔ PECOS✔ Accepts Medicare27 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Retina Macula Institute's NPI number?

The NPI number for Retina Macula Institute is 1487798773. It was assigned to this organization in the NPPES registry on February 19, 2007.

Where is Retina Macula Institute located?

Retina Macula Institute is located at 4201 Torrance Blvd Ste 220, Torrance, CA 90503. The listed phone number is (310) 944-9393.

What is Retina Macula Institute's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Retina Macula Institute enrolled in Medicare?

Yes. Retina Macula Institute is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Retina Macula Institute?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians, all in Ophthalmology, reassign their Medicare billing to Retina Macula Institute. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 4 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Retina Macula Institute was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.