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GLAUCOMA CONSULTANTS OF WASHINGTON, INC.
NPI 1962671818
Ophthalmology in Herndon, VA

Active since February 25, 2008
171 ELDEN ST STE 100, HERNDON, VA 20170(703) 689-2020(703) 485-1153 Get Directions Write a Review

NPPES record last updated: June 19, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Glaucoma Consultants Of Washington, Inc. NPPES

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

GLAUCOMA CONSULTANTS OF WASHINGTON, INC. (NPI 1962671818) is a healthcare organization registered as an ophthalmology in Herndon, Virginia and active in the NPI registry since February 2008. The organization maintains 3 additional practice locations and lists Sameer I Ahmad, Ceo/md, as its authorized official.

NPPES Registry Identity

NPI1962671818
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameGLAUCOMA CONSULTANTS OF WASHINGTON, INC.
Location Address171 ELDEN ST STE 100Herndon, VA 20170-4834
Mailing AddressPo Box 465Herndon, VA 20172-0465 · (703) 689-2020 · Fax (703) 563-3769
Phone(703) 689-2020
Fax(703) 485-1153
Organization SubpartNo
Authorized OfficialSameer I AhmadCeo/md · (703) 689-2020
Enumeration DateFebruary 25, 2008
Last NPPES UpdateJune 19, 2026
NPPES CertifiedJune 19, 2026
✔ NPI 1962671818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in MD · D53502
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.
171 ELDEN ST STE 100, Herndon, VA 20170
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Secondary Practice Locations 3

Location 1131 Elden St Ste 201Herndon, VA 20170-4876 · Phone (703) 689-2020 · Fax (703) 563-3769
Location 26101 Redwood Square Ctr Ste 201Centreville, VA 20121-4265 · Phone (703) 689-2020 · Fax (703) 563-3769
Location 3142 Linden Dr Ste 107Winchester, VA 22601-6901 · Phone (703) 689-2020 · Fax (703) 563-3769

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Glaucoma Consultants Of Washington, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Glaucoma Consultants Of Washington, Inc., which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (6)

Sameer Ahmad, M.D.
Ophthalmology
NPI 1326003401
171 ELDEN ST STE 100
Herndon, VA 20170
(703) 689-2020
✔ PECOS✔ Accepts MedicareSame address
Allyshah Allahdina, MD
Ophthalmology
NPI 1437656139
171 ELDEN ST STE 100
Herndon, VA 20170
(703) 689-2020
✔ PECOS✔ Accepts MedicareSame address
Sabita Ittoop, MD
Ophthalmology
NPI 1194965830
171 ELDEN ST SUITE 100
Herndon, VA 20170
(703) 689-2020
✔ PECOS✔ Accepts MedicareSame address
Alicia Kim
Optometry
NPI 1922415306
1200 W GODFREY AVE
Philadelphia, PA 19141
(215) 276-6173
✔ PECOS✔ Accepts Medicare141 mi
Shafiq Jivanjee, MD
Ophthalmology
NPI 1427008465
5161 CARDINAL PARK DRIVE
Saginaw, MI 48604
(989) 797-2400
✔ PECOS✔ Accepts Medicare465 mi
Logan Powers, OD
Optometry
NPI 1629630439
9424 N 25TH AVE
Phoenix, AZ 85021
(602) 633-6900
✔ PECOS✔ Accepts Medicare1,963 mi

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 Glaucoma Consultants Of Washington, Inc.'s NPI number?

The NPI number for Glaucoma Consultants Of Washington, Inc. is 1962671818. It was assigned to this organization in the NPPES registry on February 25, 2008.

Where is Glaucoma Consultants Of Washington, Inc. located?

Glaucoma Consultants Of Washington, Inc. is located at 171 Elden St Ste 100, Herndon, VA 20170. The listed phone number is (703) 689-2020.

What is Glaucoma Consultants Of Washington, Inc.'s specialty?

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

Is Glaucoma Consultants Of Washington, Inc. enrolled in Medicare?

Yes. Glaucoma Consultants Of Washington, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Glaucoma Consultants Of Washington, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to Glaucoma Consultants Of Washington, Inc.. 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. The largest specialties are Ophthalmology (4) and Optometry (2). Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Glaucoma Consultants Of Washington, Inc. was last updated on June 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.