DR. THERESA M. SHIN O.D.
NPI 1053300616
Optometrist in Columbia, MD

Active since October 17, 2005PECOS EnrolledAccepts Medicare Assignment
6455 DOBBIN RD, COLUMBIA, MD 21045(443) 542-5999(443) 542-5175 Get Directions Write a Review

NPPES record last updated: January 31, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Theresa M. Shin O.d. NPPES

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

DR. THERESA M. SHIN O.D. (NPI 1053300616) is an individual optometrist in Columbia, Maryland, licensed in Maryland (TA1959) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, maintains a secondary practice location in Columbia, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1053300616
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. THERESA M. SHINCredential: O.D.
Location Address6455 DOBBIN RDColumbia, MD 21045-5828
Mailing Address1950 Old Gallows Rd Ste 520Vienna, VA 22182-3970 · (703) 847-8899 · Fax (866) 795-4020
Fax(443) 542-5175
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateOctober 17, 2005
Last NPPES UpdateJanuary 31, 2018
✔ NPI 1053300616 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 MD · TA1959
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.
6455 DOBBIN RD, Columbia, MD 21045

Other Names 1

Former Name (1)Dr. Theresa M Chung

Secondary Practice Location 1

Location 16455 Dobbin RdColumbia, MD 21045-5828 · Phone (443) 542-5999 · Fax (443) 542-5175

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

Dr. Theresa M. Shin 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 ID7315953098
PECOS Enrollment IDI20060306000099
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

3

Medicare enrollment records show Theresa Shin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Optometrist
6455 DOBBIN RD STE 47
Columbia, MD 21045
  • Reassigned Medicare billing, Maryland enrollment
  • 253 clinicians in this Medicare group
Optometrist
611 FREDERICK RD, STE 101
Catonsville, MD 21228
  • Reassigned Medicare billing, Maryland enrollment
  • 3 clinicians in this Medicare group
Optometrist
14929 SHADY GROVE RD UNIT K
Rockville, MD 20850
  • Reassigned Medicare billing, District of Columbia enrollment
  • 49 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.

Areas of Expertise CMS Part B claims 3

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 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.
109 services107 patients
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.
46 services38 patients
New patient complete exam of visual system 92004
A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21045 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
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.

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 Theresa Shin's NPI number?

The NPI number for Theresa Shin is 1053300616. It was assigned to this individual provider in the NPPES registry on October 17, 2005. The provider is also known as Dr. Theresa M Chung.

Where is Theresa Shin located?

Theresa Shin practices at 6455 Dobbin Rd, Columbia, MD 21045. The listed phone number is (443) 542-5999.

What is Theresa Shin's specialty?

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

Is Theresa Shin enrolled in Medicare?

Yes. Theresa Shin 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 Theresa Shin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Shin reassigns Medicare benefits to 3 organizations: Myeyedr Optometry Of Maryland, LLC (Columbia, MD), Catonsville Eye Group, Inc. (Catonsville, MD) and Rockville Optometry, LLC (Rockville, MD). 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 Theresa Shin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Theresa Shin accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Theresa Shin 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 Theresa Shin was last updated on January 31, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.