Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARY E DY OD
NPI 1336708734
Optometrist in Bloomington, IN

Active since June 10, 2019PECOS EnrolledAccepts Medicare Assignment
2852 E 3RD ST, BLOOMINGTON, IN 47401(812) 334-1872(812) 334-1918 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 14, 2026, May 11, 2021, Jul 2, 2019 and 1 more (4 updates tracked since 2019).

About Mary E Dy Od NPPES

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

MARY E DY OD (NPI 1336708734) is an individual optometrist in Bloomington, Indiana, licensed in Indiana (18004641B) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Lynn, and is a graduate of New England College Of Optometry (2019).

NPPES Registry Identity

NPI1336708734
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameMARY E DYCredential: OD
Location Address2852 E 3RD STBloomington, IN 47401-5423
Mailing Address2852 E 3rd StBloomington, IN 47401-5423 · (812) 774-2830 · Fax (812) 334-1918
Fax(812) 334-1918
Sole ProprietorNo
Medical School CMSNew England College Of OptometryGraduated 2019
Enumeration DateJune 10, 2019
Last NPPES UpdateAugust 14, 20264 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
NPI 1336708734 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 · 18004641B Licensed in MA · 5351
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.
2852 E 3RD ST, Bloomington, IN 47401

Other Names 1

Former Name (1)Mary E Troyer

Secondary Practice Location 1

Location 120 Central AveLynn, MA 01901-1201 · Phone (781) 595-1350

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mary E Dy Od 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 ID4981032927
PECOS Enrollment IDI20200325001377
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.

Areas of Expertise CMS Part B claims 5

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 low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
59 services56 patients
Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
43 services42 patients
Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
18 services16 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
16 services14 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
15 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 47401 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
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.

Eyewear Supplier
2852 E 3RD ST, COLLEGE MALL STE #L07
BLOOMINGTON, IN 47401
Optometrist
2852 E 3RD ST
BLOOMINGTON, IN 47401
Optometrist
2852 E 3RD ST
BLOOMINGTON, IN 47401
Optometrist
2852 E 3RD ST
BLOOMINGTON, IN 47401

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 Mary Dy's NPI number?

The NPI number for Mary Dy is 1336708734. It was assigned to this individual provider in the NPPES registry on June 10, 2019. The provider is also known as Mary E Troyer.

Where is Mary Dy located?

Mary Dy practices at 2852 E 3rd St, Bloomington, IN 47401. The listed phone number is (812) 334-1872.

What is Mary Dy's specialty?

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

Is Mary Dy enrolled in Medicare?

Yes. Mary Dy 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.

What insurance does Mary Dy accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Mary Dy 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 Mary Dy was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.