Physician Profile
Jennifer Cai, M.D.
Unclaimed ProfileAbout Dr. Cai
Jennifer Cai, M.D. practices gastroenterology in Chicago, IL. Jennifer is a 2011 graduate of Johns Hopkins University School of Medicine. According to Medicare claims data, Jennifer cared for 462 Medicare patients across 498 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, study of esophagus to assess movement, and biopsy of large bowel 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.
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
- (312) 695-5620
- Email not available
Practice Locations
259 E ERIE ST FL 16
Chicago, IL 60611
600 N Wolfe St
Baltimore, MD 21287
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
498 services · 462 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
43 | More often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
36 | More often than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
22 | As often as other peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
22 | Less often than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
16 | As often as other peers in Gastroenterology |
| Study of esophagus to assess movement | Treatment | 91010 |
70 | More than most peers in Gastroenterology |
| Prolonged monitoring and recording of esophageal function through nasal tube with electrode | Treatment | 91038 |
34 | More often than most peers in Gastroenterology |
| Monitoring and recording of esophageal function through a capsule attached to the esophagus wall | Treatment | 91035 |
13 | Less often than most 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 |
78 | More often than most peers in Gastroenterology |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monit | Billing code | G0500 |
32 | As often as other 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 5
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 Chicago 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Johns Hopkins University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Johns Hopkins University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Jennifer Cai specialize in?
Jennifer Cai is a gastroenterologist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Jennifer Cai located?
Jennifer Cai is listed at 259 E Erie St Fl 16, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Jennifer Cai's phone number?
The number on file is (312) 695-5620. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Jennifer Cai's NPI number?
Jennifer Cai's National Provider Identifier is 1972833796. 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 Jennifer Cai train?
Jennifer Cai attended Johns Hopkins University School of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Jennifer Cai been practicing?
Jennifer Cai has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What does Jennifer Cai do most often?
According to Medicare billing data, Jennifer Cai performs procedures including biopsy of large bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope; provides treatments such as study of esophagus to assess movement and prolonged monitoring and recording of esophageal function through nasal tube with electrode, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Jennifer Cai confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Jennifer Cai. 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.