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RETINA ASSOCIATES OF MICHIGAN
NPI 1144582438
Ophthalmology in Grand Blanc, MI

Active since June 12, 2012CLIA 23D2228660 · Waiver
8562 HOLLY RD, GRAND BLANC, MI 48439(810) 487-4500(810) 991-8228 Get Directions Write a Review

NPPES record last updated: April 27, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 27, 2021, Feb 9, 2021, Feb 5, 2021 and 1 more (4 updates tracked since 2018).

About Retina Associates Of Michigan NPPES

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

RETINA ASSOCIATES OF MICHIGAN (NPI 1144582438) is a healthcare organization registered as an ophthalmology in Grand Blanc, Michigan and active in the NPI registry since June 2012. The organization holds a CLIA Waiver certificate valid through June 28, 2027, maintains a secondary practice location in Clarkston, and lists Christopher Naresh Singh, Managing Member, as its authorized official.

NPPES Registry Identity

NPI1144582438
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameVITREORETINAL SPECIALISTS PLC
Location Address8562 HOLLY RDGrand Blanc, MI 48439-8301
Mailing Address8562 Holly RdGrand Blanc, MI 48439-8301 · (810) 487-4500 · Fax (810) 991-8228
Phone(810) 487-4500
Fax(810) 991-8228
Organization SubpartNo
Authorized OfficialChristopher Naresh SinghManaging Member · (810) 487-4500
Enumeration DateJune 12, 2012
Last NPPES UpdateApril 27, 20214 updates tracked since enumeration
NPPES CertifiedApril 27, 2021
✔ NPI 1144582438 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in MI · 4301089275
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
8562 HOLLY RD, Grand Blanc, MI 48439
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Other Names 1

Doing Business AsRetina Associates Of Michigan

Secondary Practice Location 1

Location 15885 S Main St Ste 2Clarkston, MI 48346-2981 · Phone (810) 487-4500

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company.Insurance ›

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 Associates Of Michigan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Retina Associates Of Michigan, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Ankur Mehta, MD
Ophthalmology
NPI 1194981985
8562 HOLLY RD
Grand Blanc, MI 48439
(810) 487-4500
✔ PECOS✔ Accepts MedicareSame address
Christopher Singh, MD
Ophthalmology
NPI 1083724900
8562 HOLLY RD
Grand Blanc, MI 48439
(810) 487-4500
✔ PECOS✔ Accepts MedicareSame address
Raafay Sophie, MD
Ophthalmology
NPI 1285044107
9400 S SAGINAW RD STE D
Grand Blanc, MI 48439
(810) 487-4500
✔ PECOS✔ Accepts Medicare1.5 mi
Tarek Tabbaa, M.D.
Ophthalmology
NPI 1982269635
915 OLENTANGY RIVER RD FL 5
Columbus, OH 43212
(614) 293-8116
✔ PECOS✔ Accepts Medicare204 mi
Mohammad Sabbagh, MD
Ophthalmology
NPI 1386201549
5855 SUNNYBROOK DR
Sioux City, IA 51106
(712) 226-3937
✔ PECOS✔ Accepts Medicare647 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 23D2228660

Retina Associates Of Michigan · Grand Blanc, MI
Active · expires Jun 28, 2027
CLIA Number23D2228660
Laboratory TypePhysician Office
Certificate Effective DateJune 29, 2025
Certificate Expiration DateJune 28, 2027
Laboratory DirectorChristopher N. Singh
Laboratory Phone(810) 487-4500
Laboratory LocationRetina Associates Of Michigan8562 Holly Road, Grand Blanc, MI 48439
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Vitreoretinal Specialists Plc's NPI number?

The NPI number for Vitreoretinal Specialists Plc is 1144582438. It was assigned to this organization in the NPPES registry on June 12, 2012. The provider is doing business as Retina Associates Of Michigan.

Where is Vitreoretinal Specialists Plc located?

Vitreoretinal Specialists Plc is located at 8562 Holly Rd, Grand Blanc, MI 48439. The listed phone number is (810) 487-4500.

What is Vitreoretinal Specialists Plc's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Vitreoretinal Specialists Plc enrolled in Medicare?

Yes. Vitreoretinal Specialists Plc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Vitreoretinal Specialists Plc?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians, all in Ophthalmology, reassign their Medicare billing to Vitreoretinal Specialists Plc. 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, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Vitreoretinal Specialists Plc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 23D2228660) is associated with this NPI, valid through June 28, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Vitreoretinal Specialists Plc accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Vitreoretinal Specialists Plc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Vitreoretinal Specialists Plc was last updated on April 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.