DR. THERESA M. SHIN O.D.
NPI 1053300616
Optometrist in Columbia, MD
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
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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.
Medicare Billing Reassignments
3Medicare 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.
Columbia, MD 21045
- Reassigned Medicare billing, Maryland enrollment
- 253 clinicians in this Medicare group
Catonsville, MD 21228
- Reassigned Medicare billing, Maryland enrollment
- 3 clinicians in this Medicare group
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.
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.
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.