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REHAAN MUJTABA AHSAN M.D.
NPI 1558436733
Anesthesiology in Warrenton, VA

Active since November 22, 2006PECOS EnrolledAccepts Medicare Assignment
500 HOSPITAL DR., FAUQUIER HOSPITAL, WARRENTON, VA 20186(540) 316-5000 Get Directions Write a Review

NPPES record last updated: September 18, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Rehaan Mujtaba Ahsan M.d. NPPES

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

REHAAN MUJTABA AHSAN M.D. (NPI 1558436733) is an individual anesthesiology provider in Warrenton, Virginia, licensed in Virginia (0101231465) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Henrico Doctors' Hospital, and is a graduate of Other (1992).

NPPES Registry Identity

NPI1558436733
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameREHAAN MUJTABA AHSANCredential: M.D.
Location Address500 HOSPITAL DR., FAUQUIER HOSPITALWarrenton, VA 20186
Mailing Address3998 Fair Ridge Dr Ste 300Fairfax, VA 22033-2907 · (703) 766-9737 · Fax (703) 766-9725
Phone(540) 316-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateNovember 22, 2006
Last NPPES UpdateSeptember 18, 2025
NPPES CertifiedSeptember 18, 2025
✔ NPI 1558436733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in VA · 0101231465
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.
500 HOSPITAL DR., Warrenton, VA 20186
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Other Names 1

Former Name (1)Mujtaba Ahsan Ansari Md

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Rehaan Mujtaba Ahsan M.d. 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 ID1052216397
PECOS Enrollment IDI20070209000043
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Henrico Doctors' Hospital

Acute Care Hospitals · Richmond, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490118
Location1602 Skipwith RoadRichmond, VA 23229 · Henrico County
Emergency services

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 Rehaan Ahsan's NPI number?

The NPI number for Rehaan Ahsan is 1558436733. It was assigned to this individual provider in the NPPES registry on November 22, 2006. The provider is also known as Mujtaba Ahsan Ansari MD.

Where is Rehaan Ahsan located?

Rehaan Ahsan practices at 500 Hospital Dr. Fauquier Hospital, Warrenton, VA 20186. The listed phone number is (540) 316-5000.

What is Rehaan Ahsan's specialty?

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

Is Rehaan Ahsan enrolled in Medicare?

Yes. Rehaan Ahsan 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.

Is Rehaan Ahsan affiliated with any hospitals?

According to CMS data, Rehaan Ahsan is affiliated with Henrico Doctors' Hospital.

When was this NPI record last updated?

The NPPES record for Rehaan Ahsan was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.