Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Ali Ahmed Siddiqui, MD

Individual provider Gastroenterology Physician · NPI 1265478275

Dr. Ali Ahmed Siddiqui, MD is a Gastroenterology in Fairfax, Virginia. Qualified in 1997, 29 years ago. Practices with Maimonides Faculty Practice Plan, a 246-clinician group, works from 7 locations, accepts Medicare assignment and offers telehealth. Licensed in California, Massachusetts, Texas and Virginia.

Years since qualifying
29
Licensed in
CA, MA, TX, VA
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

8081 Innovation Park Dr Ste 301
Fairfax, VA 22031-4867
Phone: (571) 472-6431
Fax: (571) 665-6826
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (6)

  • 2535 S Downing St, Denver, CO 80210 — (303) 260-2740
  • 301 Memorial Medical Pkwy, Daytona Beach, FL 32117-5167 — (386) 231-3072
  • 119 Belmont St, Worcester, MA 01605-2903 — (508) 334-2846
  • 21 Eastern Ave, Worcester, MA 01605-3094 — (508) 856-8350
  • 55 Lake Ave N, Worcester, MA 01655-0002 — (508) 334-2846
  • 824 N Military Hwy Ste 100, Norfolk, VA 23502-3652 — (757) 390-4551

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 0101274422 (VA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 41307 (TX)
Gastroenterology Physician Taxonomy 207RG0100X · Licence C156639 (CA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 291092 (MA)

Record details

NPI number1265478275
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 20, 2006
Last updated in NPPESAugust 24, 2023
Certification dateAugust 24, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice Maimonides Faculty Practice Plan — 246 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Fairfax