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Edit this profileWhere to find Ali A. Siddiqui, MD
- Fairfax location main office
8081 Innovation Park Dr Ste 301, Fairfax, VA 22031 - Denver location
2535 S Downing St, Suite 360, Denver, CO 80210 - Norfolk location
824 N Military Hwy Ste 100, Norfolk, VA 23502 - Worcester location
55 Lake Ave N, Worcester, MA 01655 - Worcester location
119 Belmont St, Worcester, MA 01605
About Dr. Siddiqui
Ali A. Siddiqui, MD practices gastroenterology in Fairfax, VA. Medicare claims data shows Ali provided 239 services to 198 patients. The services billed most often include review by radiologist of image from tube placement into bile duct using an endoscope, removal of stone or debris from bile or pancreatic duct using a flexible endoscope, and replacement of stent in pancreatic or bile duct using a flexible endoscope. The provider's National Provider Identifier (NPI) is 1265478275.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (571) 472-6431
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
8081 INNOVATION PARK DR STE 301
Fairfax, VA 22031
2535 S Downing St Suite 360
Denver, CO 80210
824 N Military Hwy Ste 100
Norfolk, VA 23502
55 Lake Ave N
Worcester, MA 01655
119 Belmont St
Worcester, MA 01605
21 Eastern Ave
Worcester, MA 01605
301 Memorial Medical Pkwy
Daytona Beach, FL 32117
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Chronic conditions
Liver health
Specialized and cancer
Wound care
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Advanced endoscopy
Biliary and pancreatic endoscopy
Capsule and physiology testing
- Ambulatory reflux monitoring
- Capsule endoscopy
- Hydrogen and methane breath testing
- Anorectal manometry
- Esophageal manometry
Chronic illness
Clinical Nutrition
Diagnostic Testing
Digestive
General surgery
Infection & Microbiology Tests
Liver procedures
Lower endoscopy
- Colon polyp removal
- Diagnostic colonoscopy
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Nursing care
Nutrition & Digestion
Upper endoscopy
- Endoscopic mucosal resection
- Esophageal biopsy
- Esophageal dilation
- Stomach biopsy
- Endoscopic submucosal dissection
Most searched procedures
Treatments
Procedures Most Often Billed to Medicare
239 services · 198 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | Procedure | 43264 |
35 | More often than most peers in Gastroenterology |
| Replacement of stent in pancreatic or bile duct using a flexible endoscope | Procedure | 43276 |
31 | As often as other peers in Gastroenterology |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth | Procedure | 43237 |
17 | More often than most peers in Gastroenterology |
| Removal of large bowel tissue using a flexible endoscope | Procedure | 45390 |
16 | As often as other peers in Gastroenterology |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
14 | Less often than most peers in Gastroenterology |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth | Procedure | 43237 |
11 | More often than most peers in Gastroenterology |
| Review by radiologist of image from tube placement into bile duct using an endoscope | Imaging | 74328 |
38 | More often than most peers in Gastroenterology |
| Review by radiologist of image to guide opening of digestive tract | Imaging | 74360 |
17 | As often as other peers in Gastroenterology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
28 | Less often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
19 | Less often than most peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterologists in Fairfax 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 8
Providers in VA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Siddiqui?
Dr. Siddiqui is a gastroenterologist in Fairfax, VA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is Dr. Siddiqui's address?
Dr. Siddiqui is listed at 8081 Innovation Park Dr Ste 301, Fairfax, VA 22031. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Siddiqui?
The number on file is (571) 472-6431. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Siddiqui?
Dr. Siddiqui's National Provider Identifier is 1265478275. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Siddiqui train?
Dr. Siddiqui attended Other, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Siddiqui have?
Dr. Siddiqui has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Siddiqui perform?
According to Medicare billing data, Dr. Siddiqui performs procedures including removal of stone or debris from bile or pancreatic duct using a flexible endoscope, replacement of stent in pancreatic or bile duct using a flexible endoscope and ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth; reads or performs imaging such as review by radiologist of image from tube placement into bile duct using an endoscope and review by radiologist of image to guide opening of digestive tract, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Siddiqui's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Siddiqui. If this is you, claiming it is free.
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