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RISSER THOMAS EYE CLINIC LTD
NPI 1851422075
Ophthalmology in Phoenix, AZ

Active since March 08, 2007
9250 N 3RD ST, STE. 3030, PHOENIX, AZ 85020(602) 944-3347(602) 944-3448 Get Directions Write a Review

NPPES record last updated: December 31, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Risser Thomas Eye Clinic Ltd NPPES

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

RISSER THOMAS EYE CLINIC LTD (NPI 1851422075) is a healthcare organization registered as an ophthalmology in Phoenix, Arizona and active in the NPI registry since March 2007. The organization lists Dolores M. Burns, Practice Manager, as its authorized official.

NPPES Registry Identity

NPI1851422075
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameRISSER THOMAS EYE CLINIC LTD
Location Address9250 N 3RD ST, STE. 3030Phoenix, AZ 85020-2412
Mailing Address9250 N 3rd St, Ste. 3030Phoenix, AZ 85020-2412 · (602) 944-3347 · Fax (602) 944-3448
Phone(602) 944-3347
Fax(602) 944-3448
Organization SubpartNo
Authorized OfficialDolores M. BurnsPractice Manager · (602) 944-3347
Enumeration DateMarch 8, 2007
Last NPPES UpdateDecember 31, 2014
✔ NPI 1851422075 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
9250 N 3RD ST, Phoenix, AZ 85020
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Other Identifiers 1

Medicare PINZWCJCNAZ

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 Arizona Complete Health, Ambetter Health, Anthem Blue Cross and Blue Shield 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)

Risser Thomas Eye Clinic Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Risser Thomas Eye Clinic Ltd, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Robert Thomas, M.D.
Ophthalmology
NPI 1134250343
9250 N 3RD ST STE. 3030
Phoenix, AZ 85020
(602) 944-3347
✔ PECOS✔ Accepts MedicareSame address
Richard Isenberg, MD
Ophthalmology
NPI 1669453452
9250 N 3RD ST STE 3030
Phoenix, AZ 85020
(602) 944-3347
✔ PECOS✔ Accepts MedicareSame address
Christian Risser, M.D.
Ophthalmology
NPI 1457482630
9250 N 3RD ST STE. 3030
Phoenix, AZ 85020
(602) 944-3347
✔ PECOS✔ Accepts MedicareSame address

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 03D1031902

Risser Thomas Eye Clinic · Phoenix, AZ
Expired · Oct 11, 2026
CLIA Number03D1031902
Laboratory TypePhysician Office
Certificate Effective DateOctober 12, 2024
Certificate Expiration DateOctober 11, 2026
Laboratory DirectorRobert A. Thomas, MD
Laboratory Phone(602) 944-3347
Laboratory LocationRisser Thomas Eye Clinic9250 North 3rd St, Ste 3030, Phoenix, AZ 85020
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 Risser Thomas Eye Clinic Ltd's NPI number?

The NPI number for Risser Thomas Eye Clinic Ltd is 1851422075. It was assigned to this organization in the NPPES registry on March 8, 2007.

Where is Risser Thomas Eye Clinic Ltd located?

Risser Thomas Eye Clinic Ltd is located at 9250 N 3rd St Ste. 3030, Phoenix, AZ 85020. The listed phone number is (602) 944-3347.

What is Risser Thomas Eye Clinic Ltd's specialty?

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

Is Risser Thomas Eye Clinic Ltd enrolled in Medicare?

Yes. Risser Thomas Eye Clinic Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Risser Thomas Eye Clinic Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Ophthalmology, reassign their Medicare billing to Risser Thomas Eye Clinic 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, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Risser Thomas Eye Clinic Ltd accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 3 other insurers list Risser Thomas Eye Clinic 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 Risser Thomas Eye Clinic Ltd was last updated on December 31, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.