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NVISION EYE CENTERS
NPI 1922129865
Ophthalmology in Newport Beach, CA

Active since April 02, 2007CLIA Certified · 6 labs
4220 VON KARMAN AVE STE 100, NEWPORT BEACH, CA 92660(492) 847-4289(949) 854-7331 Get Directions Write a Review

NPPES record last updated: March 9, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 9, 2023, Sep 18, 2019, Jul 2, 2018 and 1 more (4 updates tracked since 2017).

About Nvision Eye Centers NPPES

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

NVISION EYE CENTERS (NPI 1922129865) is a healthcare organization registered as an ophthalmology in Newport Beach, California and active in the NPI registry since April 2007. The organization holds 6 active CLIA laboratory certificates, maintains 8 additional practice locations, and lists Thomas S. Tooma, Opthalmologist, as its authorized official.

NPPES Registry Identity

NPI1922129865
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameTHOMAS S TOOMA M D A PROFESSIONAL CORPORATION
Location Address4220 VON KARMAN AVE STE 100Newport Beach, CA 92660-2056
Mailing AddressPo Box 102376Pasadena, CA 91189-2376 · (949) 688-6205 · Fax (949) 688-6205
Phone(492) 847-4289
Fax(949) 854-7331
Organization SubpartNo
Authorized OfficialThomas S. ToomaOpthalmologist · (949) 854-7400
Enumeration DateApril 2, 2007
Last NPPES UpdateMarch 9, 20234 updates tracked since enumeration
NPPES CertifiedMarch 9, 2023
✔ NPI 1922129865 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in CA · G42262
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 ListedOptometristTaxonomy 152W00000X
4220 VON KARMAN AVE STE 100, Newport Beach, CA 92660
Open in Google Maps ↗

Other Names 1

Doing Business AsNvision Eye Centers

Secondary Practice Locations 8

Location 123550 Hawthorne Blvd Ste 220Torrance, CA 90505-4722 · Phone (562) 222-3120 · Fax (310) 784-2021
Location 217980 Castleton St Unit 1Rowland Heights, CA 91748-1851 · Phone (626) 854-0148 · Fax (626) 820-1180
Location 33655 Nobel Dr Ste 130San Diego, CA 92122-1004 · Phone (858) 283-5371 · Fax (858) 588-6555
Location 425485 Medical Center Dr Ste 212Murrieta, CA 92562-6927 · Phone (514) 171-6079 · Fax (951) 696-4249
Location 524022 Calle De La Plata Ste 300Laguna Hills, CA 92653-3629 · Phone (949) 284-7487 · Fax (949) 595-4459
Location 61400 N Harbor Blvd Ste 130Fullerton, CA 92835-4156 · Phone (714) 750-8443 · Fax (714) 257-0540
Location 73737 Moraga Ave Ste A105San Diego, CA 92117-5458 · Phone (858) 273-0200 · Fax (858) 273-0619
Location 83155 Sedona Ct Ste D100Ontario, CA 91764-6558 · Phone (909) 698-9780 · Fax (909) 974-0356

Group Practice 2

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP
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 Anthem Blue Cross and Blue Shield, BlueCross BlueShield of Tennessee.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)

Nvision Eye Centers is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

48

Medicare enrollment records show 48 clinicians reassign Medicare billing to Nvision Eye Centers, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 15 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 2

Optometry29
Ophthalmology19

Nearest to this location (20)

See all 48
Lisa Van, OD
Optometry
NPI 1689170664
4220 VON KARMAN AVE STE 100
Newport Beach, CA 92660
(949) 431-6344
✔ PECOS✔ Accepts MedicareSame address
Siyi Zhang, OD
Optometry
NPI 1679251102
4220 VON KARMAN AVE STE 100
Newport Beach, CA 92660
(949) 854-7400
✔ PECOS✔ Accepts MedicareSame address
Thuy Hua Jung, O.D.
Optometry
NPI 1871615328
4220 VON KARMAN AVE STE 100
Newport Beach, CA 92660
(949) 854-7400
✔ PECOS✔ Accepts MedicareSame address
Sheri Rowen, MD
Ophthalmology
NPI 1548203904
4220 VON KARMAN AVE SUITE 100
Newport Beach, CA 92660
(949) 854-7400
✔ PECOS✔ Accepts MedicareSame address
Thomas Tooma, M.D.
Ophthalmology
NPI 1508980525
3501 JAMBOREE RD SUITE 1100
Newport Beach, CA 92660
(949) 854-7400
✔ PECOS✔ Accepts Medicare0.6 mi
Shirin Asgari, OD
Optometry
NPI 1679245252
4255 CAMPUS DR STE A110
Irvine, CA 92612
(949) 854-7122
✔ PECOS✔ Accepts Medicare1.6 mi
George Shunda
Optometry
NPI 1346434909
7 SEASCAPE DR
Newport Beach, CA 92663
(949) 650-8902
✔ PECOS✔ Accepts Medicare5.0 mi
Dan Carver, O.D.
Optometry
NPI 1083688675
11180 WARNER AVE STE 261
Fountain Valley, CA 92708
(714) 263-0800
✔ PECOS✔ Accepts Medicare5.5 mi
Melanie Ozgur, OD
Optometry
NPI 1922836154
999 N TUSTIN AVE STE 17
Santa Ana, CA 92705
(714) 972-8432
✔ PECOS✔ Accepts Medicare6.4 mi
Dagny Luong, MD
Ophthalmology
NPI 1790044626
1010 W LA VETA AVE STE 615
Orange, CA 92868
(714) 983-5001
✔ PECOS8.1 mi
Crystal Tong, OD
Optometry
NPI 1346637352
12665 GARDEN GROVE BLVD STE 301
Garden Grove, CA 92843
(800) 868-6049
✔ PECOS8.3 mi
Jonathan Pirnazar, MD
Ophthalmology
NPI 1962436410
24022 CALLE DE LA PLATA SUITE 300
Laguna Hills, CA 92653
(949) 951-1457
✔ PECOS✔ Accepts Medicare9.4 mi
Audrey Schwarzbein, M.D.
Ophthalmology
NPI 1316005739
24022 CALLE DE LA PLATA SUITE #305
Laguna Hills, CA 92653
(949) 951-1457
✔ PECOS✔ Accepts Medicare9.4 mi
Julie Wong, O.D.
Optometry
NPI 1861931750
24022 CALLE DE LA PLATA STE 300
Laguna Hills, CA 92653
(949) 284-7487
✔ PECOS✔ Accepts Medicare9.4 mi
Duna Raoof, MD
Ophthalmology
NPI 1437389822
24401 CALLE DE LA LOUISA 300
Laguna Hills, CA 92653
(949) 951-2020
✔ PECOS✔ Accepts Medicare9.7 mi
Satvinder Gujral, M.D.
Ophthalmology
NPI 1912928672
26691 PLAZA DRIVE SUITE 250
Mission Viejo, CA 92691
(949) 364-0225
✔ PECOS✔ Accepts Medicare13 mi
Roushanak Fadavi, O.D.
Optometry
NPI 1891033825
4 ARCATA
Mission Viejo, CA 92692
(201) 725-9285
✔ PECOS✔ Accepts Medicare13 mi
Hesper Pham, O.D.
Optometry
NPI 1265728570
27871 MEDICAL CENTER RD STE 120
Mission Viejo, CA 92691
(949) 364-6688
✔ PECOS13 mi
Cemone Khan, O.D.
Optometry
NPI 1275076721
5451 LA PALMA AVE STE 44
La Palma, CA 90623
(714) 521-2290
✔ PECOS✔ Accepts Medicare16 mi
Christina Arakaki
Optometry
NPI 1396238671
101 LAGUNA RD STE C
Fullerton, CA 92835
(714) 888-2080
✔ PECOS✔ Accepts Medicare16 mi
See all 48 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 6

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 05D2329304

Nvision Eye Centers · Fullerton, CA
Active · expires Aug 25, 2027
CLIA Number05D2329304
Laboratory TypePhysician Office
Certificate Effective DateAugust 26, 2025
Certificate Expiration DateAugust 25, 2027
Laboratory DirectorSheri L. Rowen
Laboratory Phone(714) 750-8443
Laboratory LocationNvision Eye Centers1400 N Harbor Blvd Ste 130, Fullerton, CA 92835
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2301241

Nvision Eye Centers · Rowland Heights, CA
Active · expires Mar 21, 2028
CLIA Number05D2301241
Laboratory TypePhysician Office
Certificate Effective DateMarch 22, 2026
Certificate Expiration DateMarch 21, 2028
Laboratory DirectorDagny Z. Luong
Laboratory Phone(949) 996-5795
Laboratory LocationNvision Eye Centers17980 Castleton Street Unit 1, Rowland Heights, CA 91748
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2286887

Nvision Eye Center · San Diego, CA
Active · expires Aug 3, 2027
CLIA Number05D2286887
Laboratory TypePhysician Office
Certificate Effective DateAugust 4, 2025
Certificate Expiration DateAugust 3, 2027
Laboratory DirectorMihir Y. Parikh
Laboratory Phone(866) 887-0342
Laboratory LocationNvision Eye Center3655 Nobel Drive, Suite 130, San Diego, CA 92122
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2326895

Nvision Eye Centers · Murrieta, CA
Active · expires Jul 10, 2027
CLIA Number05D2326895
Laboratory TypePhysician Office
Certificate Effective DateJuly 11, 2025
Certificate Expiration DateJuly 10, 2027
Laboratory DirectorStephen A. Lobue
Laboratory Phone(951) 417-1607
Laboratory LocationNvision Eye Centers25485 Medical Center Dr Ste 212, Murrieta, CA 92562
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2283928

Nvision Laser Eye Centers · San Diego, CA
Active · expires Jun 13, 2027
CLIA Number05D2283928
Laboratory TypePhysician Office
Certificate Effective DateJune 14, 2025
Certificate Expiration DateJune 13, 2027
Laboratory DirectorAngelique J Pillar Topaloglu
Laboratory Phone(866) 700-7987
Laboratory LocationNvision Laser Eye Centers3737 Moraga Ave Ste A105, San Diego, CA 92117
CLIA data matches this NPI record on: Address
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2308552

Nvision Eye Centers · Ontario, CA
Active · expires Jul 29, 2028
CLIA Number05D2308552
Laboratory TypePhysician Office
Certificate Effective DateJuly 30, 2026
Certificate Expiration DateJuly 29, 2028
Laboratory DirectorEric J. Areiter
Laboratory Phone(909) 698-9780
Laboratory LocationNvision Eye Centers3155D Sedona Ct Ste 100, Ontario, CA 91764
CLIA data matches this NPI record on: 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 Thomas S Tooma M D A Professional Corporation's NPI number?

The NPI number for Thomas S Tooma M D A Professional Corporation is 1922129865. It was assigned to this organization in the NPPES registry on April 2, 2007. The provider is doing business as Nvision Eye Centers.

Where is Thomas S Tooma M D A Professional Corporation located?

Thomas S Tooma M D A Professional Corporation is located at 4220 Von Karman Ave Ste 100, Newport Beach, CA 92660. The listed phone number is (492) 847-4289.

What is Thomas S Tooma M D A Professional Corporation's specialty?

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

Is Thomas S Tooma M D A Professional Corporation enrolled in Medicare?

Yes. Thomas S Tooma M D A Professional Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Thomas S Tooma M D A Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 48 clinicians in 2 Medicare specialties reassign their Medicare billing to Thomas S Tooma M D A Professional Corporation. 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. The largest specialties are Optometry (29) and Ophthalmology (19). Of these, 4 practice at this address and 15 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Thomas S Tooma M D A Professional Corporation hold CLIA laboratory certificates?

Yes. 6 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Thomas S Tooma M D A Professional Corporation accept?

Health plans from Anthem Blue Cross and Blue Shield and BlueCross BlueShield of Tennessee list Thomas S Tooma M D A Professional Corporation 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 Thomas S Tooma M D A Professional Corporation was last updated on March 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.