NPPES file of Aug 9, 2026

Gajan A. Mahendiran, M.D.

Pain Medicine (Anesthesiology) Physician · Warrenton, VA

Gajan A. Mahendiran, M.D. is a pain medicine (anesthesiology) physician with a practice address in Warrenton, Virginia, and NPI 1396839346, issued on Oct 3, 2006. Check the license (Virginia 0101237547, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396839346
Name
Gajan A. Mahendiran
Credential
M.D.
Primary taxonomy
Pain Medicine (Anesthesiology) Physician 207LP2900X
License number
0101237547 VA
Self-reported in NPPES; status is on the state search
Practice location
500 Hospital Dr, Warrenton, VA 20186
Phone
(540) 349-0514
Enumerated
Oct 3, 2006
Record last updated
Apr 2, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicaid ID
1396839346 VA
Medicare enrollment
Enrolled (PECOS I20051129000482); accepts Medicare assignment
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 500 Hospital Dr

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

  1. Khawaja Ahmed, M.D.Hospitalist Physician1437360542
  2. Zohayr Alshaial, M.D.Internal Medicine Physician1841245537
  3. Arij Azhar, MDCritical Care Medicine (Internal Medicine) Physician1811493299
  4. William Barker, MDEmergency Medical Services (Emergency Medicine) Physician1770599847
  5. Jennifer Benjamin, PAMedical Physician Assistant1639183593
  6. Melissa Braun, NPNeonatal Nurse Practitioner1023365335

Verify Gajan A. Mahendiran 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 0101237547
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 86.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score84.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Northstar Anesthesia OF Virginia, LLCAlexandria, VA

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

Gajan A. Mahendiran among 113 pain medicine (anesthesiology) physician records in Virginia

Gajan A. Mahendiran, M.D. is one of 113 pain medicine (anesthesiology) physician records with a practice address in Virginia. 70% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 36% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2001 · median 2002 among the 69 with a school on file
  • Record last updated2015 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Anesthesiology) Physician providers in Virginia

There are 113 pain medicine (anesthesiology) physician records in Virginia.

The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes

  1. Riju Dasgupta, MDReston, VA 201901114489523
  2. Thomas Nguyen, MDReston, VA 201911437265667
  3. Chirag Sanghvi, M.D., MPHLeesburg, VA 201761255509576
  4. Issam Khayata, MDSterling, VA 201651174576581
  5. Claudine Desamours, M.D.Bristow, VA 201361205920246
  6. Brett Robinson, M.D.Fairfax, VA 220311457372807
  7. Ellen Adams, MDFairfax, VA 220331871594796
  8. James Almirante, M.D.Fairfax, VA 220331477514438

Common questions

What is Gajan A. Mahendiran, M.D.'s NPI number?

Gajan A. Mahendiran, M.D.'s National Provider Identifier (NPI) is 1396839346, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gajan A. Mahendiran, M.D. located?

The NPPES record lists a practice address at 500 Hospital Dr, Warrenton, VA, 20186. Phone: (540) 349-0514. Providers update this record themselves, so call before visiting.

How can I verify Gajan A. Mahendiran, M.D.'s license?

NPPES lists Virginia license number 0101237547, 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.

What is Gajan A. Mahendiran, M.D.'s MIPS final score?

The 2023 MIPS final score is 86.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.