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TANUJA A MAINKAR MD
NPI 1386643849
Anesthesiology in Alexandria, VA

Active since July 18, 2005PECOS EnrolledAccepts Medicare Assignment
4320 SEMINARY RD, ALEXANDRIA, VA 22304(703) 504-3789(703) 504-3556 Get Directions Write a Review

NPPES record last updated: May 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Tanuja A Mainkar Md NPPES

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

TANUJA A MAINKAR MD (NPI 1386643849) is an individual anesthesiology provider in Alexandria, Virginia, licensed in Virginia (0101230927) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1984).

NPPES Registry Identity

NPI1386643849
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameTANUJA A MAINKARCredential: MD
Location Address4320 SEMINARY RDAlexandria, VA 22304-1535
Mailing Address68 S. Service Rd., Ste 350Melville, NY 11747-2358 · (516) 945-3107 · Fax (516) 945-3131
Phone(703) 504-3789
Fax(703) 504-3556
Sole ProprietorNo
Medical School CMSOtherGraduated 1984
Enumeration DateJuly 18, 2005
Last NPPES UpdateMay 30, 2021
NPPES CertifiedMay 30, 2021
✔ NPI 1386643849 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in VA · 0101230927
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
4320 SEMINARY RD, Alexandria, VA 22304
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tanuja A Mainkar Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1658369541
PECOS Enrollment IDI20040430001042, I20071204000038, I20230612000148
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Tanuja Mainkar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
7.6 mi
Health Maintenance Organization
700 2ND ST NE
Washington, DC 20002
NPI 1093016933 (202) 898-5100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MADHUSUDANAN SRAMBICKAL RAMASWAMY M.D., M.S.
Internal Medicine (Critical Care Medicine)
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Alexandria City (703) 504-3000
ASSOCIATION OF ALEXANDRIA RADIOLOGISTS, P.C.
Radiology (Diagnostic Radiology)
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Alexandria City (703) 504-3000
DR. MICHAEL ANTHONY HOLLIDAY M.D.
Pediatrics (Neonatal-Perinatal Medicine)
4320 SEMINARY RD, SUITE 3000
ALEXANDRIA, VA 22304
Alexandria City (703) 504-3069
MR. VALENTINE JEAN TOUSSAINT NILES CRNA
Nurse Anesthetist, Certified Registered
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Alexandria City (703) 504-3521
MR. RODOLFO AMA ALORA JR. PT
Physical Therapist
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Alexandria City (703) 504-3167
ABDUL RAHMAN M.D
Internal Medicine (Critical Care Medicine)
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Alexandria City (703) 504-3000
LIANA E MATEVOSIAN NP
Nurse Practitioner
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Alexandria City (703) 504-3000
DR. BROOKE LANELL GRAY D.O.
Internal Medicine (Critical Care Medicine)
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Alexandria City (703) 504-3000

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 Tanuja Mainkar's NPI number?

The NPI number for Tanuja Mainkar is 1386643849. It was assigned to this individual provider in the NPPES registry on July 18, 2005.

Where is Tanuja Mainkar located?

Tanuja Mainkar practices at 4320 Seminary Rd, Alexandria, VA 22304. The listed phone number is (703) 504-3789.

What is Tanuja Mainkar's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Tanuja Mainkar enrolled in Medicare?

Yes. Tanuja Mainkar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Tanuja Mainkar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tanuja Mainkar reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Washington, DC). The 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 Tanuja Mainkar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Tanuja Mainkar was last updated on May 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.