Sameer I Ahmad, MD - Medicare Ophthalmology in Herndon, VA

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Sameer I Ahmad, MD is a medicare enrolled "Ophthalmology" physician in Herndon, Virginia. He went to Tufts University School Of Medicine and graduated in 1994 and has 32 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Glaucoma Consultants Of Washington, Inc, Glaucoma Consultants Of Washington, Inc, Howard University and his current practice location is 171 Elden St Ste 100, Herndon, Virginia. You can reach out to his office (for appointments etc.) via phone at (703) 689-2020.

Sameer I Ahmad is licensed to practice in Maryland (license number D53502) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1326003401.

Contact Information

Sameer I Ahmad, MD
171 Elden St Ste 100,
Herndon, VA 20170-4834
(703) 689-2020
(703) 563-3769

Map and Direction




Physician's Profile

Full NameSameer I Ahmad
GenderMale
SpecialityOphthalmology
Experience32 Years
Location171 Elden St Ste 100, Herndon, Virginia
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Sameer I Ahmad attended and graduated from Tufts University School Of Medicine in 1994
  NPI Data:
  • NPI Number: 1326003401
  • Provider Enumeration Date: 04/20/2006
  • Last Update Date: 06/19/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 0446219752
  • Enrollment ID: I20081107000161

Medical Identifiers

Medical identifiers for Sameer I Ahmad such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1326003401NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology D53502 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Inova Fair Oaks HospitalFairfax, VAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Glaucoma Consultants Of Washington, Inc11534978212
Glaucoma Consultants Of Washington, Inc11534978212
Howard University0941109565182

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Sameer I Ahmad allows following entities to bill medicare on his behalf.
Entity NameHoward University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033163597
PECOS PAC ID: 0941109565
Enrollment ID: O20040102000561
Entity NameGlaucoma Consultants of Washington, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962671818
PECOS PAC ID: 1153497821
Enrollment ID: O20081105000239

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Sameer I Ahmad is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Sameer I Ahmad, MD
Po Box 465,
Herndon, VA 20172-0465

Ph: (703) 689-2020		Sameer I Ahmad, MD
171 Elden St Ste 100,
Herndon, VA 20170-4834

Ph: (703) 689-2020

Reviews and Comments


Ophthalmology Doctors in Herndon, VA

Dr. Sabita M. Ittoop, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 171 Elden St, Suite 100, Herndon, VA 20170
Phone: 703-689-2020    Fax: 703-485-1153
Dr. Allyshah M Allahdina, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 171 Elden St Ste 100, Herndon, VA 20170
Phone: 703-689-2020    Fax: 703-563-3769

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.