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ROBERT C. HSIEH, M.D.,P.A.
NPI 1265762280
Ophthalmology in Riverdale, MD

Active since January 14, 2010
6510 KENILWORTH AVE, SUITE 1300, RIVERDALE, MD 20737(301) 699-1166(301) 209-9456 Get Directions Write a Review

NPPES record last updated: January 14, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Robert C. Hsieh, M.d.,p.a. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROBERT C. HSIEH, M.D.,P.A. (NPI 1265762280) is a healthcare organization registered as an ophthalmology in Riverdale, Maryland and active in the NPI registry since January 2010. The organization lists Donna Boicourt, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1265762280
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameROBERT C. HSIEH, M.D.,P.A.
Location Address6510 KENILWORTH AVE, SUITE 1300Riverdale, MD 20737-1339
Mailing Address6510 Kenilworth Ave, Suite 1300Riverdale, MD 20737-1339 · (301) 699-1166 · Fax (301) 209-9456
Phone(301) 699-1166
Fax(301) 209-9456
Organization SubpartNo
Authorized OfficialDonna BoicourtOffice Manager · (301) 699-1166
Enumeration DateJanuary 14, 2010
✔ NPI 1265762280 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
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.
6510 KENILWORTH AVE, Riverdale, MD 20737
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Other Identifiers 2

Medicare UPINB94673
Medicaid252351500MD

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 C. Hsieh, M.d.,p.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Robert C. Hsieh, M.D.,p.A., which bills Medicare for the services this clinician delivers.

Clinician (1)

Robert Hsieh, M.D.
Ophthalmology
NPI 1831181775
6510 KENILWORTH AVE SUITE 1300
Riverdale, MD 20737
(301) 699-1166
✔ PECOS✔ Accepts MedicareSame address

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 C. Hsieh, M.D.,p.A.'s NPI number?

The NPI number for Robert C. Hsieh, M.D.,p.A. is 1265762280. It was assigned to this organization in the NPPES registry on January 14, 2010.

Where is Robert C. Hsieh, M.D.,p.A. located?

Robert C. Hsieh, M.D.,p.A. is located at 6510 Kenilworth Ave Suite 1300, Riverdale, MD 20737. The listed phone number is (301) 699-1166.

What is Robert C. Hsieh, M.D.,p.A.'s specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Robert C. Hsieh, M.D.,p.A. enrolled in Medicare?

Yes. Robert C. Hsieh, M.D.,p.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Robert C. Hsieh, M.D.,p.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Ophthalmology) reassigns their Medicare billing to Robert C. Hsieh, M.D.,p.A.. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Robert C. Hsieh, M.D.,p.A. was last updated on January 14, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.