RAVEN GWENDOLYN DIACOU MD, PHD
NPI 1568044113
Ophthalmology in Easton, PA
About Raven Gwendolyn Diacou Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAVEN GWENDOLYN DIACOU MD, PHD (NPI 1568044113) is an individual ophthalmology provider in Easton, Pennsylvania, licensed in Pennsylvania (MD490075) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Upmc Mercy, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Raven Gwendolyn Diacou Md, Phd 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 Raven Diacou reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Easton, PA 18045
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: St Lukes Physician Group Inc
- 2,851 clinicians in this Medicare group
Pittsburgh, PA 15235
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Upmc Mercy
Acute Care Hospitals · Pittsburgh, PAUpmc Presbyterian Shadyside
Acute Care Hospitals · Pittsburgh, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 18045 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 3
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 Raven Diacou's NPI number?
The NPI number for Raven Diacou is 1568044113. It was assigned to this individual provider in the NPPES registry on April 23, 2021.
Where is Raven Diacou located?
Raven Diacou practices at 2200 St Lukes Blvd Ste 104, Easton, PA 18045. The listed phone number is (484) 526-6643.
What is Raven Diacou's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Raven Diacou enrolled in Medicare?
Yes. Raven Diacou 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 Raven Diacou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Raven Diacou reassigns Medicare benefits to 2 organizations: St. Luke's Physician Group, Inc. (Easton, PA) and University Of Pittsburgh Physicians (Pittsburgh, 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 Raven Diacou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Raven Diacou affiliated with any hospitals?
According to CMS data, Raven Diacou is affiliated with Upmc Mercy and Upmc Presbyterian Shadyside.
When was this NPI record last updated?
The NPPES record for Raven Diacou was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Raven Gwendolyn Diacou, MD, PHD · NPI 1568044113
Ophthalmology physician in Easton, Pennsylvania. Individual provider, active in the CMS NPPES registry since April 23, 2021.
## Identity
- **NPI:** 1568044113 (Entity type: Individual)
- **Enumerated:** April 23, 2021
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** MD490075 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 2200 ST LUKES BLVD STE 104, Easton, PA 18045-5665
- **Phone:** (484) 526-6643
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): St. Luke's Physician Group, Inc. (NPI 1144851478, Easton, PA); University Of Pittsburgh Physicians (NPI 1407985674, Pittsburgh, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** September 1, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1568044113) · Data from the CMS NPPES public registry.