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RETINOVITREOUS ASSOCIATES LTD
NPI 1659326452
Ophthalmology in Plymouth Meeting, PA

Active since May 23, 2006CLIA 39D1069953 · Waiver
4060 BUTLER PIKE, SUITE 200, PLYMOUTH MEETING, PA 19462(800) 331-6634(267) 420-1362 Get Directions Write a Review

NPPES record last updated: June 26, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 26, 2025, Sep 16, 2024, Jun 20, 2024 and 3 more (6 updates tracked since 2017).

About Retinovitreous Associates Ltd NPPES

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

RETINOVITREOUS ASSOCIATES LTD (NPI 1659326452) is a healthcare organization registered as an ophthalmology in Plymouth Meeting, Pennsylvania and active in the NPI registry since May 2006. The organization holds a CLIA Waiver certificate valid through May 7, 2028, maintains 11 additional practice locations, and lists Courtney Sheppard, Cao/cfo, as its authorized official.

NPPES Registry Identity

NPI1659326452
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameRETINOVITREOUS ASSOCIATES LTD
Location Address4060 BUTLER PIKE, SUITE 200Plymouth Meeting, PA 19462-1560
Mailing Address4060 Butler Pike, Suite 200Plymouth Meeting, PA 19462-1560 · (800) 331-6634 · Fax (267) 420-1362
Phone(800) 331-6634
Fax(267) 420-1362
Organization SubpartNo
Authorized OfficialCourtney SheppardCao/cfo · (800) 331-6634
Enumeration DateMay 23, 2006
Last NPPES UpdateJune 26, 20256 updates tracked since enumeration
NPPES CertifiedJune 26, 2025
✔ NPI 1659326452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
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.
Also ListedOphthalmology · Retina SpecialistTaxonomy 207WX0107X
4060 BUTLER PIKE, Plymouth Meeting, PA 19462
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Secondary Practice Locations 11

Location 1100 Presidential Blvd Ste 100Bala Cynwyd, PA 19004-1108 · Phone (800) 331-6634 · Fax (610) 667-1328
Location 25325 Northgate Dr Ste 103Bethlehem, PA 18017-9412 · Phone (800) 331-6634 · Fax (610) 691-6817
Location 3727 Welsh Rd Ste 206Huntingdon Valley, PA 19006-6311 · Phone (800) 331-6634 · Fax (215) 947-9324
Location 4234 Mall Blvd Ste 200King Of Prussia, PA 19406-2970 · Phone (800) 331-6634 · Fax (484) 370-8832
Location 5820 Town Center Dr Ste 200-1Langhorne, PA 19047-1785 · Phone (800) 331-6634 · Fax (215) 752-2420
Location 6125 Medical Campus Dr Ste 315Lansdale, PA 19446-7205 · Phone (800) 331-6634 · Fax (215) 361-6143
Location 78025 Roosevelt Blvd Fl 1Philadelphia, PA 19152-3000 · Phone (800) 331-6634 · Fax (215) 333-3414
Location 82624 Westview DrWyomissing, PA 19610 · Phone (800) 331-6634
Location 9840 Walnut St Ste 1020Philadelphia, PA 19107-5109 · Phone (800) 331-6634 · Fax (215) 825-2443
Location 103855 W Chester Pike Ste 260Newtown Square, PA 19073-2304 · Phone (800) 331-6634 · Fax (610) 353-4192
Location 111 Crescent Dr Ste 400Philadelphia, PA 19112-1015 · Phone (800) 331-6634 · Fax (215) 218-7259

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 Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware and more.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)

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

Clinicians Billing Medicare Through This Organization

37

Medicare enrollment records show 37 clinicians reassign Medicare billing to Retinovitreous Associates Ltd, which bills Medicare for the services they deliver. Of these, 24 practice at this address and 25 within 10 miles. Listed here are the 20 practicing nearest to this location.

Nearest to this location (20)

See all 37
Allen Chiang, M.D.
Ophthalmology
NPI 1326212960
4060 BUTLER PIKE SUITE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
James Dunn, M.D.
Ophthalmology
NPI 1932140209
4060 BUTLER PIKE SUITE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Sunir Garg, M.D.
Ophthalmology
NPI 1427056134
4060 BUTLER PIKE SUITE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Allen Ho, MD
Ophthalmology
NPI 1922056712
4060 BUTLER PIKE SUITE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Richard Kaiser, MD
Ophthalmology
NPI 1124076930
4060 BUTLER PIKE SUITE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Carl Regillo, MD
Ophthalmology
NPI 1740248038
4060 BUTLER PIKE SUITE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Arunan Sivalingam, M.D.
Ophthalmology
NPI 1700850179
4060 BUTLER PIKE SUITE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Marc Spirn, MD
Ophthalmology
NPI 1457325086
4060 BUTLER PIKE SUITE200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
James Vander, MD
Ophthalmology
NPI 1780632570
4060 BUTLER PIKE SUITE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Michael Cohen, M.D.
Ophthalmology
NPI 1699038935
4060 BUTLER PIKE STE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
David Fell, MD
Ophthalmology
NPI 1962990556
4060 BUTLER PIKE STE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Anton Orlin, MD
Ophthalmology
NPI 1720138498
4060 BUTLER PIKE STE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Samir Patel
Ophthalmology
NPI 1568825057
4060 BUTLER PIKE STE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Meera Sivalingam, MD
Ophthalmology
NPI 1700318193
4060 BUTLER PIKE STE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Joshua Uhr, M.D.
Ophthalmology
NPI 1225490121
4060 BUTLER PIKE STE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Duo Xu, M.D.
Ophthalmology
NPI 1992117014
4060 BUTLER PIKE STE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Yoshihiro Yonekawa, M.D.
Ophthalmology
NPI 1962727008
4060 BUTLER PIKE STE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Yuxi Zheng, MD
Ophthalmology
NPI 1801424148
4060 BUTLER PIKE STE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Omesh Gupta, MD
Ophthalmology
NPI 1326268475
4060 BUTLER PIKE SUITE 200
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
Jason Hsu, MD
Ophthalmology
NPI 1548218787
4060 BUTLER PIKE SUITE
Plymouth Meeting, PA 19462
(800) 331-6634
✔ PECOS✔ Accepts MedicareSame address
See all 37 clinicians

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 39D1069953

Retinovitreous Associates Ltd Dba Mid Atlantic Retina · Philadelphia, PA
Active · expires May 7, 2028
CLIA Number39D1069953
Laboratory TypePhysician Office
Certificate Effective DateMay 8, 2026
Certificate Expiration DateMay 7, 2028
Laboratory DirectorDr. Carl D. Regillo MD
Laboratory Phone(215) 928-3092
Laboratory LocationRetinovitreous Associates Ltd Dba Mid Atlantic Retina840 Walnut St Suite 1015, Philadelphia, PA 19107
CLIA data matches this NPI record on: Name
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 Retinovitreous Associates Ltd's NPI number?

The NPI number for Retinovitreous Associates Ltd is 1659326452. It was assigned to this organization in the NPPES registry on May 23, 2006.

Where is Retinovitreous Associates Ltd located?

Retinovitreous Associates Ltd is located at 4060 Butler Pike Suite 200, Plymouth Meeting, PA 19462. The listed phone number is (800) 331-6634.

What is Retinovitreous Associates Ltd's specialty?

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

Is Retinovitreous Associates Ltd enrolled in Medicare?

Yes. Retinovitreous Associates Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Retinovitreous Associates Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 37 clinicians, all in Ophthalmology, reassign their Medicare billing to Retinovitreous Associates Ltd. 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, 24 practice at this address and 25 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Retinovitreous Associates Ltd hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 39D1069953) is associated with this NPI, valid through May 7, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Retinovitreous Associates Ltd accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan and Highmark Blue Cross Blue Shield Delaware list Retinovitreous Associates Ltd 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 Retinovitreous Associates Ltd was last updated on June 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.