ROBERT H. CHU, MD, PA
NPI 1134330640
Ophthalmology in Rockville, MD
About Robert H. Chu, Md, Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT H. CHU, MD, PA (NPI 1134330640) is a healthcare organization registered as an ophthalmology in Rockville, Maryland and active in the NPI registry since May 2007. The organization lists May Chu, Practice Administrator, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Robert H. Chu, Md, Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Robert H. Chu, MD, PA, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Robert H. Chu, MD, PA's NPI number?
The NPI number for Robert H. Chu, MD, PA is 1134330640. It was assigned to this organization in the NPPES registry on May 25, 2007.
Where is Robert H. Chu, MD, PA located?
Robert H. Chu, MD, PA is located at 6333 Executive Blvd, Rockville, MD 20852. The listed phone number is (301) 770-2020.
What is Robert H. Chu, MD, PA's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Robert H. Chu, MD, PA enrolled in Medicare?
Yes. Robert H. Chu, MD, PA is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Robert H. Chu, MD, PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Ophthalmology, reassign their Medicare billing to Robert H. Chu, MD, PA. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Robert H. Chu, MD, PA accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Robert H. Chu, MD, PA 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 Robert H. Chu, MD, PA was last updated on March 19, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Robert H. Chu, Md, Pa · NPI 1134330640
Ophthalmology organization in Rockville, Maryland. Organization record, active in the CMS NPPES registry since May 25, 2007.
## Identity
- **NPI:** 1134330640 (Entity type: Organization)
- **Enumerated:** May 25, 2007
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **Organization subpart:** No
- **Authorized official:** May Chu, PRACTICE ADMINISTRATOR
## Practice location
- **Address:** 6333 EXECUTIVE BLVD, Rockville, MD 20852-3905
- **Phone:** (301) 770-2020 · **Fax:** (866) 483-5740
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians (Ophthalmology) reassign Medicare billing to this organization (form CMS-855R); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 19, 2014
- **Other identifiers:** Medicaid 756071100 (MD); Medicare UPIN F26435 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1134330640) · Data from the CMS NPPES public registry.