Rehaan Ahsan, M.D.
NPI 1558436733 · Anesthesiology Physician · Warrenton, VA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rehaan Ahsan, M.D. is a Anesthesiology Physician provider in Warrenton, VA (NPI 1558436733).
Provider details
- NPI number
- 1558436733
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101231465 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-22
- Last updated
- 2025-09-18
- Certified
- 2025-09-18
Frequently asked questions
- What is Rehaan Ahsan's NPI number?
- Rehaan Ahsan's National Provider Identifier (NPI) is 1558436733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rehaan Ahsan's specialty?
- Rehaan Ahsan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Rehaan Ahsan located?
- Rehaan Ahsan's practice location on file with NPPES is 500 Hospital Dr., Warrenton, VA 20186.
- What is Rehaan Ahsan's phone number?
- The practice phone number listed in the NPPES registry for Rehaan Ahsan is (540) 316-5000.
- Does Rehaan Ahsan accept Medicare?
- Rehaan Ahsan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rehaan Ahsan's NPI active?
- Yes — Rehaan Ahsan's NPI (1558436733) is active in the NPPES registry as of the last update on 2025-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.