SEAN GRETZ OD
NPI 1720565641
Optometrist in Easton, MD
About Sean Gretz Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN GRETZ OD (NPI 1720565641) is an individual optometrist in Easton, Maryland, licensed in Maryland (TA3006) and active in the NPI registry since July 2018. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Pennsylvania College Of Optometry (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 2
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
Sean Gretz 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.
Medicare Billing Reassignments
4Medicare enrollment records show Sean Gretz reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Easton, MD 21601
- Reassigned Medicare billing, Maryland enrollment
- 253 clinicians in this Medicare group
Seaford, DE 19973
- Reassigned Medicare billing, Delaware enrollment
- 49 clinicians in this Medicare group
Dover, DE 19904
- Reassigned Medicare billing, Delaware enrollment
- 8 clinicians in this Medicare group
Wilmington, DE 19808
- Reassigned Medicare billing, Delaware enrollment
- 45 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 12
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 21601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Sean Gretz's NPI number?
The NPI number for Sean Gretz is 1720565641. It was assigned to this individual provider in the NPPES registry on July 24, 2018.
Where is Sean Gretz located?
Sean Gretz practices at 210 Marlboro Ave Ste 31, Easton, MD 21601. The listed phone number is (410) 822-3937.
What is Sean Gretz's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Sean Gretz enrolled in Medicare?
Yes. Sean Gretz 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 Sean Gretz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Gretz reassigns Medicare benefits to 4 organizations: Myeyedr Optometry Of Maryland, LLC (Easton, MD), Myeyedr Optometry Of Delaware PA (Seaford, DE), Halpern Medical Services LLC (Dover, DE) and Simon Eye Associates PA (Wilmington, DE). 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 Sean Gretz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sean Gretz accept?
Health plans from AmeriHealth Caritas Next, Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Blue Cross and Blue Shield of Montana and 3 other insurers list Sean Gretz 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 Sean Gretz was last updated on June 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Sean Gretz, OD · NPI 1720565641
Optometrist provider in Easton, Maryland. Individual provider, active in the CMS NPPES registry since July 24, 2018.
## Identity
- **NPI:** 1720565641 (Entity type: Individual)
- **Enumerated:** July 24, 2018
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** TA3006 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 210 MARLBORO AVE STE 31, Easton, MD 21601-2767
- **Phone:** (410) 822-3937 · **Fax:** (410) 822-2652
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Myeyedr Optometry Of Maryland, LLC (NPI 1386393148, Easton, MD); Myeyedr Optometry Of Delaware PA (NPI 1912376674, Seaford, DE); Halpern Medical Services LLC (NPI 1346430360, Dover, DE); Simon Eye Associates PA (NPI 1205871506, Wilmington, DE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania College Of Optometry, class of 2018
## Record status
- **NPPES last updated:** June 27, 2024
- **Other identifiers:** Other OEG003439 (PA); Other I3-0001417 (DE)
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Source: [NPI Profile](https://npiprofile.com/npi/1720565641) · Data from the CMS NPPES public registry.