DR T GREGORY DULOS OD
NPI 1477842292
Optometrist in Ottawa, KS

Active since April 01, 2011
1302 S MAIN ST, OTTAWA, KS 66067(785) 242-3707(785) 242-3937 Get Directions Write a Review

NPPES record last updated: May 26, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr T Gregory Dulos Od NPPES

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

DR T GREGORY DULOS OD (NPI 1477842292) is a healthcare organization registered as an optometrist in Ottawa, Kansas and active in the NPI registry since April 2011. The organization lists Thomas Gregory Dulos, Owner, as its authorized official.

NPPES Registry Identity

NPI1477842292
Entity TypeOrganization
Primary Taxonomy152W00000X
Legal Business NameDR T GREGORY DULOS OPTOMETRIST PA
Location Address1302 S MAIN STOttawa, KS 66067-3527
Mailing Address1302 S Main StOttawa, KS 66067-3527 · (785) 242-3707 · Fax (785) 242-3937
Fax(785) 242-3937
Organization SubpartNo
Authorized OfficialThomas Gregory DulosOwner · (785) 242-3707
Enumeration DateApril 1, 2011
Last NPPES UpdateMay 26, 2016
✔ NPI 1477842292 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in KS · KS1167-3
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
1302 S MAIN ST, Ottawa, KS 66067

Other Names 1

Other NameDr T Gregory Dulos Od

Other Identifiers 4

OtherKA2179KS · Medicare Id-type Unspecified
Medicare UPINT43636KS
Medicaid100217840CKS
Medicare NSC6663660001KS

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr T Gregory Dulos Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by March 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateKansasEnrollment IDO20120410000572DME · Physician - OptometristDue dateMarch 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Dr T Gregory Dulos Od, which bills Medicare for the services this clinician delivers.

Clinician (1)

Optometry
NPI 1538123765
1302 S MAIN ST
Ottawa, KS 66067
(785) 242-3707
✔ 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.

Medical Equipment Supplier Medicare DMEPOS 2

Medicare supplier enrollment and the product categories Dr T Gregory Dulos Optometrist PA carries, from the Medicare DMEPOS supplier directory.

Dr T Gregory Dulos Optometrist PA

DMEPOS supplier · Ottawa, KS
✔

Accepts Medicare assignment

Dr T Gregory Dulos Optometrist PA agrees to accept the Medicare-approved amount as full payment for covered equipment and supplies. Medicare patients are not billed beyond the standard deductible and coinsurance.

PTAN (Medicare Supplier Number)20530133
Medicare Participant SinceApril 1, 2011
Supplier Location1302 S Main St Ste 7Ottawa, KS 66067
Supplier Specialties
Optometrist

Medicare Product Categories

Prosthetic Lenses: Conventional Eyeglasses
Conventional Eyeglasses
Prosthetic Lenses: Conventional Contact Lenses
Conventional Contact Lenses
Product categories are from the Medicare DMEPOS supplier directory. Contact the supplier to confirm current availability of specific items.

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 Dr T Gregory Dulos Optometrist PA's NPI number?

The NPI number for Dr T Gregory Dulos Optometrist PA is 1477842292. It was assigned to this organization in the NPPES registry on April 1, 2011. The provider is also known as Dr T Gregory Dulos Od.

Where is Dr T Gregory Dulos Optometrist PA located?

Dr T Gregory Dulos Optometrist PA is located at 1302 S Main St, Ottawa, KS 66067. The listed phone number is (785) 242-3707.

What is Dr T Gregory Dulos Optometrist PA's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Dr T Gregory Dulos Optometrist PA enrolled in Medicare?

Yes. Dr T Gregory Dulos Optometrist PA is registered in the Medicare PECOS enrollment system.

When is Dr T Gregory Dulos Optometrist PA's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare DME enrollment for this organization (Kansas, Physician - Optometrist) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Dr T Gregory Dulos Optometrist PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Dr T Gregory Dulos Optometrist PA. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Dr T Gregory Dulos Optometrist PA accept Medicare assignment for medical equipment?

Yes. As a Medicare medical equipment supplier, Dr T Gregory Dulos Optometrist PA accepts Medicare assignment: the supplier accepts the Medicare-approved amount as payment in full for covered equipment and supplies.

What insurance does Dr T Gregory Dulos Optometrist PA accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Kansas, Inc., BlueCross BlueShield of Tennessee and Oscar Insurance Company list Dr T Gregory Dulos Optometrist PA 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 Dr T Gregory Dulos Optometrist PA was last updated on May 26, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.