NPPES file of Aug 9, 2026

Tamer Mansour, M.D.

Ophthalmology Physician · Sterling, VA

Tamer Mansour, M.D. is an ophthalmology physician with a practice address in Sterling, Virginia, and NPI 1144397258, issued on Nov 30, 2006. Check the license (Virginia 0101237596, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144397258
Name
Tamer Mansour
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
0101237596 VA
251272 NY
Self-reported in NPPES; status is on the state search
Practice location
21475 Ridgetop Circle Suite 300, Sterling, VA 20166
Phone
(703) 430-4400
Enumerated
Nov 30, 2006
Record last updated
Nov 29, 2022
Fax
(703) 430-4130
Medicaid ID
1144397258 VA
Medicare enrollment
Enrolled (PECOS I20111221000176); accepts Medicare assignment
Medical or professional school
Howard University College Of Medicine, 2001
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 21475 Ridgetop Circle Suite 300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christina Butera, M.D.Ophthalmology Physician1366523102
  2. Houriya Mahboobi, O.D.Optometrist1013323500
  3. Aryan Mashid, ODOptometrist1902274574
  4. Russell Pearlman, O.D.Optometrist1013098748
  5. Renata Raeder, O.D.Optometrist1699857003
  6. Nicole Teser, O.D.Optometrist1316029739

Verify Tamer Mansour in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101237596
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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86% fewer Medicare Part D claims than the average ophthalmology physician in 2024

205 Medicare Part D claims for 112 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. Tamer Mansour205
  2. Specialty average1,518

Most prescribed

  1. Erythromycin63 claims
  2. Neomycin-Polymyxin-Dexameth59 claims
  3. Cyclosporine13 claims
  4. Tobramycin-Dexamethasone11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $445.67

22 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tamer Mansour$445.67
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Dulles Eye Associates, P.C.Sterling, VA
  2. Loudoun Medical Group, PCAlexandria, VA
  3. Medical Faculty Associates, IncWashington, DC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tamer Mansour among 592 ophthalmology physician records in Virginia

Tamer Mansour, M.D. is one of 592 ophthalmology physician records with a practice address in Virginia. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.

  • NPI issued2006 · 18% of these records are older, 41% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2001 · median 2000 among the 381 with a school on file
  • Record last updated2022 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Virginia

There are 592 ophthalmology physician records in Virginia.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Ayman Boutros, M.D.Sterling, VA 201661366530131
  2. Christina Butera, M.D.Sterling, VA 201661366523102
  3. Darrell Reisner, M.D.Sterling, VA 201661912095019
  4. Dian Yu, M.D.Sterling, VA 201661639527682
  5. Joanne Crenshaw, MDSterling, VA 201651225120538
  6. Melissa Kern, MDSterling, VA 201651386606549
  7. Sameer Ahmad, M.D.Herndon, VA 201701326003401
  8. Allyshah Allahdina, MDHerndon, VA 201701437656139

Common questions

What is Tamer Mansour, M.D.'s NPI number?

Tamer Mansour, M.D.'s National Provider Identifier (NPI) is 1144397258, issued on Nov 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tamer Mansour, M.D. located?

The NPPES record lists a practice address at 21475 Ridgetop Circle Suite 300, Sterling, VA, 20166. Phone: (703) 430-4400. Providers update this record themselves, so call before visiting.

How can I verify Tamer Mansour, M.D.'s license?

NPPES lists Virginia license number 0101237596, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tamer Mansour, M.D. prescribe under Medicare Part D?

In 2024, Tamer Mansour, M.D. had 205 Medicare Part D claims for 112 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.