SIMPSON & BIGHAM OD PARTNERSHIP
NPI 1114150968
Optometrist in Evansville, IN

Active since August 27, 2009
2417 W FRANKLIN ST, EVANSVILLE, IN 47712(812) 423-5000(812) 423-6838 Get Directions Write a Review

NPPES record last updated: November 1, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Simpson & Bigham Od Partnership NPPES

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

SIMPSON & BIGHAM OD PARTNERSHIP (NPI 1114150968) is a healthcare organization registered as an optometrist in Evansville, Indiana and active in the NPI registry since August 2009. The organization lists Amy L Gorman-miller, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1114150968
Entity TypeOrganization
Primary Taxonomy152W00000X
Legal Business NameSIMPSON & BIGHAM OD PARTNERSHIP
Location Address2417 W FRANKLIN STEvansville, IN 47712-5564
Mailing Address2417 W Franklin StEvansville, IN 47712-5564 · (812) 423-5000 · Fax (812) 423-6838
Fax(812) 423-6838
Organization SubpartNo
Authorized OfficialAmy L Gorman-millerOffice Manager · (812) 423-5000
Enumeration DateAugust 27, 2009
Last NPPES UpdateNovember 1, 2012
✔ NPI 1114150968 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
Licenses✔ Licensed in IN · 18002839✔ Licensed in IN · 18003226
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.
2417 W FRANKLIN ST, Evansville, IN 47712

Other Identifiers 5

Medicaid200441230IN
Medicare PIN206550IN
Medicare NSC6164020001IN
Medicare PIN637990IN
Medicaid200118870IN

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 MULTIPLE 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)

Simpson & Bigham Od Partnership 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
StateIndianaEnrollment IDO20100304000254Non-DME Part B · Clinic/Group PracticeDue dateMarch 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Simpson & Bigham Od Partnership, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Optometry
NPI 1356337661
2417 W FRANKLIN ST
Evansville, IN 47712
(812) 423-5000
✔ PECOSSame address
Optometry
NPI 1619963733
2417 W FRANKLIN ST
Evansville, IN 47712
(812) 423-5000
✔ PECOSSame address
Optometry
NPI 1508231689
120 SE 4TH ST STE 1300
Evansville, IN 47708
(812) 490-3937
✔ PECOS✔ Accepts Medicare1.9 mi
Optometry
NPI 1639585763
1201 CROSS POINTE PL
Evansville, IN 47715
(812) 909-6587
✔ PECOS7.6 mi
Optometry
NPI 1043837610
1705 FREDERICA ST
Owensboro, KY 42301
(270) 683-2122
✔ PECOS31 mi
Optometry
NPI 1740824119
2200 ST LUKES BLVD STE 104
Easton, PA 18045
(484) 658-9330
✔ PECOS✔ Accepts Medicare684 mi

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 3

Medicare supplier enrollment and the product categories Simpson & Bigham Od Partnership carries, from the Medicare DMEPOS supplier directory.

Simpson & Bigham Od Partnership

DMEPOS supplier · Evansville, IN
⋮

Does not accept Medicare assignment

Simpson & Bigham Od Partnership has not agreed to accept the Medicare-approved amount as full payment for covered equipment and supplies. Medicare patients may be charged more than the Medicare-approved amount; confirm the expected cost with the supplier before ordering.

PTAN (Medicare Supplier Number)20547545
Medicare Participant SinceDecember 9, 2009
Supplier Location2417 W Franklin StEvansville, IN 47712
Supplier Specialties
Optometrist

Medicare Product Categories

Prosthetic Lenses: Conventional Eyeglasses
Conventional Eyeglasses
Prosthetic Lenses: Conventional Contact Lenses
Conventional Contact Lenses
Prosthetic Lenses: Prosthetics Cataract Lenses
Cataract Eyeglasses
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 Simpson & Bigham Od Partnership's NPI number?

The NPI number for Simpson & Bigham Od Partnership is 1114150968. It was assigned to this organization in the NPPES registry on August 27, 2009.

Where is Simpson & Bigham Od Partnership located?

Simpson & Bigham Od Partnership is located at 2417 W Franklin St, Evansville, IN 47712. The listed phone number is (812) 423-5000.

What is Simpson & Bigham Od Partnership's specialty?

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

Is Simpson & Bigham Od Partnership enrolled in Medicare?

Yes. Simpson & Bigham Od Partnership is registered in the Medicare PECOS enrollment system.

When is Simpson & Bigham Od Partnership's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Indiana, Clinic/Group Practice) 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 Simpson & Bigham Od Partnership?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians, all in Optometry, reassign their Medicare billing to Simpson & Bigham Od Partnership. 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, 2 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Simpson & Bigham Od Partnership accept Medicare assignment for medical equipment?

No. As a Medicare medical equipment supplier, Simpson & Bigham Od Partnership does not accept Medicare assignment for equipment and supplies, so patients may be charged more than the Medicare-approved amount. Confirm the expected cost with the supplier before ordering.

What insurance does Simpson & Bigham Od Partnership accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Blue Cross Blue Shield of Wyoming and 5 other insurers list Simpson & Bigham Od Partnership 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 Simpson & Bigham Od Partnership was last updated on November 1, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.