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RAVEN GWENDOLYN DIACOU MD, PHD
NPI 1568044113
Ophthalmology in Pittsburgh, PA

Active since April 23, 2021PECOS EnrolledAccepts Medicare Assignment
1622 LOCUST ST, PITTSBURGH, PA 15219(412) 692-4888(412) 692-4499 Get Directions Write a Review

NPPES record last updated: April 14, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 14, 2026, Jul 20, 2024, Apr 23, 2021 (3 updates tracked since 2021).

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 Pittsburgh, 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 maintains a secondary practice location in Bethlehem.

NPPES Registry Identity

NPI1568044113
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameRAVEN GWENDOLYN DIACOUCredential: MD, PHD
Location Address1622 LOCUST STPittsburgh, PA 15219-5924
Mailing Address3600 Forbes Ave Ste 140Pittsburgh, PA 15213-3410
Phone(412) 692-4888
Fax(412) 692-4499
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2021
Enumeration DateApril 23, 2021
Last NPPES UpdateApril 14, 20263 updates tracked since enumeration
NPPES CertifiedApril 14, 2026
✔ NPI 1568044113 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in PA · MD490075
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
1622 LOCUST ST, Pittsburgh, PA 15219
Open in Google Maps ↗

Secondary Practice Location 1

Location 1801 Ostrum StBethlehem, PA 18015-1000 · Phone (484) 526-6643 · Fax (484) 526-4658

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID648676718
PECOS Enrollment IDI20250711001970
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Upmc Mercy

Acute Care Hospitals · Pittsburgh, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390028
Location1400 Locust StreetPittsburgh, PA 15219 · Allegheny County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15219 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
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$68.36 typical visit price
range $17.33 – $135.84
Typical copayment $17.09 (range $4.33 – $33.96)
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANNABEL LEVIN OD
Optometrist
1622 LOCUST ST
PITTSBURGH, PA 15219
Allegheny County (412) 530-4192
ANNA GUSHCHIN
Ophthalmology
1622 LOCUST ST
PITTSBURGH, PA 15219
Allegheny County (412) 647-2200
GABRIELLE NICOLE RAULS
Student in an Organized Health Care Education/Training Program
1622 LOCUST ST, FOURTH FLOOR
PITTSBURGH, PA 15219
Allegheny County (412) 232-8901
CHRISTIAN JOHN KARAM
Student in an Organized Health Care Education/Training Program
1622 LOCUST ST
PITTSBURGH, PA 15219
Allegheny County (412) 642-5434
RACHEL ELIZABETH MILLS
Optometrist
1622 LOCUST ST
PITTSBURGH, PA 15219
Allegheny County (412) 530-5470
AARTI BISHNOI
Ophthalmology
1622 LOCUST ST
PITTSBURGH, PA 15219
Allegheny County (412) 647-2200
DR. JOSHUA CLERMONT O.D.
Optometrist
1622 LOCUST ST
PITTSBURGH, PA 15219
Allegheny County (412) 530-5470
ZEENAL GEORGE DABRE MBBS, MS
Student in an Organized Health Care Education/Training Program
1622 LOCUST ST
PITTSBURGH, PA 15219
Allegheny County (412) 552-3240

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 1622 Locust St, Pittsburgh, PA 15219. The listed phone number is (412) 692-4888.

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.

Is Raven Diacou affiliated with any hospitals?

According to CMS data, Raven Diacou is affiliated with Upmc Mercy.

When was this NPI record last updated?

The NPPES record for Raven Diacou was last updated on April 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.