DR. GRETTA G BROWN OD
NPI 1700366325
Optometrist in Hollidaysburg, PA
About Dr. Gretta G Brown Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRETTA G BROWN OD (NPI 1700366325) is an individual optometrist in Hollidaysburg, Pennsylvania, licensed in Pennsylvania (OEG003461) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Johnstown, and is a graduate of Pennsylvania College Of Optometry (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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. Gretta G Brown 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
2Medicare enrollment records show Gretta Brown reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hollidaysburg, PA 16648
- Reassigned Medicare billing, Pennsylvania enrollment
- 3 clinicians in this Medicare group
Johnstown, PA 15904
- Reassigned Medicare billing, Pennsylvania enrollment
- 3 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 8
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 16648 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
HOLLIDAYSBURG, PA 16648
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 Gretta Brown's NPI number?
The NPI number for Gretta Brown is 1700366325. It was assigned to this individual provider in the NPPES registry on August 14, 2018.
Where is Gretta Brown located?
Gretta Brown practices at 805 S Logan Blvd, Hollidaysburg, PA 16648. The listed phone number is (814) 942-7184.
What is Gretta Brown's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Gretta Brown enrolled in Medicare?
Yes. Gretta Brown 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 Gretta Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gretta Brown reassigns Medicare benefits to 2 organizations: Michelle Barnes Optometry, P.C (Hollidaysburg, PA) and Associates In Family Eyecare, Ltd. (Johnstown, PA). 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 Gretta Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gretta Brown 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 Oscar Health Insurance and 6 other insurers list Gretta Brown 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 Gretta Brown was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Dr. Gretta G Brown, OD · NPI 1700366325
Optometrist provider in Hollidaysburg, Pennsylvania. Individual provider, active in the CMS NPPES registry since August 14, 2018.
## Identity
- **NPI:** 1700366325 (Entity type: Individual)
- **Enumerated:** August 14, 2018
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OEG003461 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 805 S LOGAN BLVD, Hollidaysburg, PA 16648-3030
- **Phone:** (814) 942-7184
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Michelle Barnes Optometry, P.C (NPI 1295859239, Hollidaysburg, PA); Associates In Family Eyecare, Ltd. (NPI 1518975234, Johnstown, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania College Of Optometry, class of 2018
## Record status
- **NPPES last updated:** March 4, 2026
- **Other identifiers:** Medicaid 1035919020001 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1700366325) · Data from the CMS NPPES public registry.