FITZ GERALD IHEANYICHUKWU DIALA
NPI 1639813041
Ophthalmology in Baltimore, MD
About Fitz Gerald Iheanyichukwu Diala NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FITZ GERALD IHEANYICHUKWU DIALA (NPI 1639813041) is an individual ophthalmology provider in Baltimore, Maryland, licensed in Maryland (D0106769) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and maintains a secondary practice location in Nashville.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Fitz Gerald Iheanyichukwu Diala is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Fitz Gerald Diala reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21287
- Reassigned Medicare billing, District of Columbia enrollment
- 67 clinicians in this Medicare group
Baltimore, MD 21205
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21287 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Fitz Gerald Diala's NPI number?
The NPI number for Fitz Gerald Diala is 1639813041. It was assigned to this individual provider in the NPPES registry on April 21, 2022.
Where is Fitz Gerald Diala located?
Fitz Gerald Diala practices at 1800 Orleans St, Baltimore, MD 21287. The listed phone number is (410) 502-2037.
What is Fitz Gerald Diala's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Fitz Gerald Diala enrolled in Medicare?
Yes. Fitz Gerald Diala is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Fitz Gerald Diala's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Fitz Gerald Diala reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Baltimore, MD) and Johns Hopkins University (Baltimore, 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 Fitz Gerald Diala's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Fitz Gerald Diala affiliated with any hospitals?
According to CMS data, Fitz Gerald Diala is affiliated with Johns Hopkins Hospital, The.
When was this NPI record last updated?
The NPPES record for Fitz Gerald Diala was last updated on August 6, 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.
# Fitz Gerald Iheanyichukwu Diala · NPI 1639813041
Ophthalmology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since April 21, 2022.
## Identity
- **NPI:** 1639813041 (Entity type: Individual)
- **Enumerated:** April 21, 2022
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** D0106769 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1800 ORLEANS ST, Baltimore, MD 21287-0010
- **Phone:** (410) 502-2037 · **Fax:** (410) 955-0737
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Johns Hopkins University (NPI 1588638878, Baltimore, MD); Johns Hopkins University (NPI 1033190442, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** August 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1639813041) · Data from the CMS NPPES public registry.