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Edit this profileAt a glance
- 4500 San Pablo Rd S, Jacksonville, FL 32224
About Dr. Stark
Based in Jacksonville, FL, Mark Stark, MD is listed in the NPI registry under gastroenterology. According to Medicare claims data, Mark cared for 29 Medicare patients across 30 services. The services billed most often include imaging of digestive tract done from the inside of the digestive tract and other procedure on small bowel. NPI 1629067400 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (904) 953-2000
- Email not available
Practice Locations
4500 SAN PABLO RD S
Jacksonville, FL 32224
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
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
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
30 services · 29 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Other procedure on small bowel | Procedure | 44799 |
11 | Too few peers to compare |
| Imaging of digestive tract done from the inside of the digestive tract | Treatment | 91110 |
19 | More 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.
Other gastroenterologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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.
More connections — 9 related providers in 2 groups
Other gastroenterologists in Jacksonville 7
Same specialty, same city.
Also performs Other procedure on small bowel 2
Providers in FL who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Stark?
Dr. Stark is a gastroenterologist in Jacksonville, FL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is Dr. Stark's address?
Dr. Stark is listed at 4500 San Pablo Rd S, Jacksonville, FL 32224. 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. Stark?
The number on file is (904) 953-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Stark's NPI number?
Dr. Stark's National Provider Identifier is 1629067400. 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
How long has Dr. Stark been practicing?
Dr. Stark has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Dr. Stark perform?
According to Medicare billing data, Dr. Stark performs procedures including other procedure on small bowel; provides treatments such as imaging of digestive tract done from the inside of the digestive tract. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Stark confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Stark. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.