JACK GREENAN
NPI 1639613979
Optometrist in Texarkana, TX

Active since December 06, 2016PECOS EnrolledAccepts Medicare Assignment
2703 RICHMOND RD, TEXARKANA, TX 75503(903) 838-0783 Get Directions Write a Review

NPPES record last updated: June 3, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Jack Greenan NPPES

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

JACK GREENAN (NPI 1639613979) is an individual optometrist in Texarkana, Texas, licensed in Texas (9121T) and active in the NPI registry since December 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1639613979
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameJACK GREENAN
Location Address2703 RICHMOND RDTexarkana, TX 75503-2328
Mailing Address2703 Richmond RdTexarkana, TX 75503-2328
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateDecember 6, 2016
Last NPPES UpdateJune 3, 2019
✔ NPI 1639613979 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 TX · 9121T
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.
2703 RICHMOND RD, Texarkana, TX 75503

Accepted 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

Jack Greenan 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 ID4981981206
PECOS Enrollment IDI20170515001484
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 Reassignments

2

Medicare enrollment records show Jack Greenan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Optometrist
2703 RICHMOND RD
Texarkana, TX 75503
  • Reassigned Medicare billing, Texas and Arkansas enrollments
  • Also billed through NPI 1417413717 (Arkansas)
  • 396 clinicians in this Medicare group
Optometrist
205B W WATER ST
Kerrville, TX 78028
  • Reassigned Medicare billing, Texas enrollment
  • 404 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75503 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
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 10

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

Optometrist
2703 RICHMOND RD
TEXARKANA, TX 75503
Optometrist
2703 RICHMOND RD
TEXARKANA, TX 75503
Optometrist
2703 RICHMOND RD
TEXARKANA, TX 75503
Optometrist
2703 RICHMOND RD
TEXARKANA, TX 75503
Optometrist
2703 RICHMOND RD
TEXARKANA, TX 75503
Optometrist
2703 RICHMOND RD
TEXARKANA, TX 75503
Optometrist
2703 RICHMOND RD
TEXARKANA, TX 75503
Optometrist
2703 RICHMOND RD
TEXARKANA, TX 75503

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 Jack Greenan's NPI number?

The NPI number for Jack Greenan is 1639613979. It was assigned to this individual provider in the NPPES registry on December 6, 2016.

Where is Jack Greenan located?

Jack Greenan practices at 2703 Richmond Rd, Texarkana, TX 75503. The listed phone number is (903) 838-0783.

What is Jack Greenan's specialty?

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

Is Jack Greenan enrolled in Medicare?

Yes. Jack Greenan 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 organizations bill Medicare for Jack Greenan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jack Greenan reassigns Medicare benefits to 2 organizations: Med Southwest, PLLC (Texarkana, TX) and Aeg Texas Professional PLLC (Kerrville, TX). Each 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 Jack Greenan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jack Greenan accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 17 other insurers list Jack Greenan 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 Jack Greenan was last updated on June 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.