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KEITH C. CHANG, MD, PLLC
NPI 1851595383
Ophthalmology in New York, NY

Active since June 11, 2007
217 GRAND ST, SUITE 302, NEW YORK, NY 10013(212) 965-8883(212) 965-8878 Get Directions Write a Review

NPPES record last updated: November 3, 2007. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Keith C. Chang, Md, Pllc NPPES

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

KEITH C. CHANG, MD, PLLC (NPI 1851595383) is a healthcare organization registered as an ophthalmology in New York, New York and active in the NPI registry since June 2007. The organization lists Keith Chang, Physician In Charge, as its authorized official.

NPPES Registry Identity

NPI1851595383
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameKEITH C. CHANG, MD, PLLC
Location Address217 GRAND ST, SUITE 302New York, NY 10013-4286
Mailing AddressPo Box 1240New York, NY 10276-1240 · (212) 965-8883 · Fax (212) 965-8878
Phone(212) 965-8883
Fax(212) 965-8878
Organization SubpartNo
Authorized OfficialKeith ChangPhysician In Charge · (212) 965-8883
Enumeration DateJune 11, 2007
Last NPPES UpdateNovember 3, 2007
✔ NPI 1851595383 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in NY · 193442
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.
217 GRAND ST, New York, NY 10013
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Other Identifiers 3

Medicaid01629038NY
Medicare PINW88841NY
Medicare UPINF82701

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross Blue Shield of Wyoming, Oscar Health.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)

Keith C. Chang, Md, Pllc 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 Keith C. Chang, MD, PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Keith Chang, MD
Ophthalmology
NPI 1588703995
217 GRAND ST # 302
New York, NY 10013
(212) 965-8883
✔ 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 Keith C. Chang, MD, PLLC's NPI number?

The NPI number for Keith C. Chang, MD, PLLC is 1851595383. It was assigned to this organization in the NPPES registry on June 11, 2007.

Where is Keith C. Chang, MD, PLLC located?

Keith C. Chang, MD, PLLC is located at 217 Grand St Suite 302, New York, NY 10013. The listed phone number is (212) 965-8883.

What is Keith C. Chang, MD, PLLC's specialty?

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

Is Keith C. Chang, MD, PLLC enrolled in Medicare?

Yes. Keith C. Chang, MD, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Keith C. Chang, MD, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Ophthalmology) reassigns their Medicare billing to Keith C. Chang, MD, PLLC. 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.

What insurance does Keith C. Chang, MD, PLLC accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Oscar Health list Keith C. Chang, MD, PLLC 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 Keith C. Chang, MD, PLLC was last updated on November 3, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.