1. Home
  2. Directory
  3. Kansas
  4. Ottawa
  5. Optometrist
  6. NPI Profile

DR. THOMAS GREGORY DULOS O.D.
NPI 1538123765
Optometrist in Ottawa, KS

Active since April 14, 2006PECOS EnrolledAccepts Medicare Assignment
1302 S MAIN ST, OTTAWA, KS 66067(785) 242-3707 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. Thomas Gregory Dulos O.d. NPPES

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

DR. THOMAS GREGORY DULOS O.D. (NPI 1538123765) is an individual optometrist in Ottawa, Kansas, licensed in Kansas (KS 1167-3) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of University Alabama Birmingham - School Of Optometry (1981).

NPPES Registry Identity

NPI1538123765
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. THOMAS GREGORY DULOSCredential: O.D.
Location Address1302 S MAIN STOttawa, KS 66067-3527
Mailing Address1302 S Main StOttawa, KS 66067-3527 · (785) 242-3707
Phone(785) 242-3707
Sole ProprietorYes
Medical School CMSUniversity Alabama Birmingham - School Of OptometryGraduated 1981
Enumeration DateApril 14, 2006
Last NPPES UpdateMay 26, 2016
✔ NPI 1538123765 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 · KS 1167-3
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
Open in Google Maps ↗

Other Identifiers 3

Medicaid100217840BKS
Medicare UPINT43636
Medicare ID-Type Unspecified5062KS

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Kansas City, Blue Cross and Blue Shield of Kansas, Inc. and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas Gregory Dulos O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5092761577
PECOS Enrollment IDI20050328000916
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Thomas Dulos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dr T Gregory Dulos Optometrist PA
Same address
Optometrist
1302 S MAIN ST
Ottawa, KS 66067
  • Reassigned Medicare billing, Kansas enrollment
NPI 1477842292 (785) 242-3707

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
164 services163 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
39 services39 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
31 services30 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
22 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 66067 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.41 typical visit price
range $53.00 – $161.67
Typical copayment $30.60 (range $13.25 – $40.41)
Most-billed visit code 99204
Established Patient
$66.40 typical visit price
range $16.88 – $132.11
Typical copayment $16.60 (range $4.22 – $33.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RANDY KENT WALDRON D.D.S.
Dentist (General Practice)
1302 S MAIN ST, SUITE 5
OTTAWA, KS 66067
Franklin County (785) 242-2252
ER PHYSICIANS SOUTH PA
Emergency Medicine
1302 S MAIN ST
OTTAWA, KS 66067
Franklin County (913) 676-2214
HOSPICE CARE OF KANSAS, LLC
Hospice Care, Community Based
1302 S MAIN ST
OTTAWA, KS 66067
Franklin County (785) 242-2755
DR T GREGORY DULOS OPTOMETRIST PA
Optometrist
1302 S MAIN ST
OTTAWA, KS 66067
Franklin County (785) 242-3707

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 Dulos's NPI number?

The NPI number for Thomas Dulos is 1538123765. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is Thomas Dulos located?

Thomas Dulos practices at 1302 S Main St, Ottawa, KS 66067. The listed phone number is (785) 242-3707.

What is Thomas Dulos's specialty?

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

Is Thomas Dulos enrolled in Medicare?

Yes. Thomas Dulos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Thomas Dulos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Dulos reassigns Medicare benefits to Dr T Gregory Dulos Optometrist PA (Ottawa, KS). The 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 Thomas Dulos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Dulos accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Kansas City, Blue Cross and Blue Shield of Kansas, Inc. and Blue Cross and Blue Shield of Louisiana and 8 other insurers list Thomas Dulos 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 Dulos 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.