Physician Profile
Ali A. Siddiqui, MD
Unclaimed ProfileAbout 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
Practice Locations
8081 INNOVATION PARK DR STE 301
Fairfax, VA 22031
301 Memorial Medical Pkwy
Daytona Beach, FL 32117
21 Eastern Ave
Worcester, MA 01605
119 Belmont St
Worcester, MA 01605
55 Lake Ave N
Worcester, MA 01655
2535 S Downing St Suite 360
Denver, CO 80210
824 N Military Hwy Ste 100
Norfolk, VA 23502
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
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
- Acute pancreatitis
- Gallstones
- Pancreatic cysts
- Primary sclerosing cholangitis
Colon and anorectal
- Anal fissure
- Colon cancer
- Colon polyps
- Lower gastrointestinal bleeding
Esophagus and swallowing
- Barrett's esophagus
- Eosinophilic esophagitis
- Esophageal stricture
- Esophagitis
Functional bowel and motility
- Chronic diarrhea
- Fecal incontinence
- Small intestinal bacterial overgrowth
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
- Functional dyspepsia
- Gastritis
- Gastroparesis
- H. pylori infection
- Peptic ulcer disease
Bowel & Colon
- Diverticulitis
Digestive Symptoms
- Constipation
Gallbladder & Bile Ducts
- Blocked Bile Duct
Procedures & services
Most searched procedures
- Colonoscopy
- Endoscopy
- Gallbladder removal
- Hernia repair
- Liver biopsy
Lower endoscopy
- Colon polyp removal
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Upper endoscopy
- Endoscopic submucosal dissection
- Esophageal dilation
Capsule and physiology testing
- Anorectal manometry
- Capsule endoscopy
- Esophageal manometry
Diagnostic Testing
- 24-Hour Acid Reflux Test
- EUS-Guided Fine Needle Biopsy
- H. Pylori Breath Test
- SIBO Breath Test
Liver procedures
- Esophageal variceal banding
- Liver elastography
- Paracentesis
Treatments
- Stool Transplant
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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.