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Edit this profileAt a glance
- 1500 Duarte Rd, Division of Gastroenterology, City of Hope, Duarte, CA 91010
About Dr. Lin
James L. Lin, MD practices gastroenterology in Duarte, CA. James is a 2002 graduate of Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc). James is also listed as specializing in internal medicine. According to Medicare claims data, James cared for 938 Medicare patients across 968 services. The services billed most often include biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, telephone medical discussion with physician, 11-20 minutes, and ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope. The provider's National Provider Identifier (NPI) is 1770743502.
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
- (626) 256-4673
- Email not available
Practice Locations
1500 DUARTE RD DIVISION OF GASTROENTEROLOGY, CITY OF HOPE
Duarte, CA 91010
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
968 services · 938 patients · 24 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
154 | More often than most peers in Gastroenterology |
| Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope | Procedure | 43238 |
90 | More than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
64 | As often as other peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
41 | 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 |
30 | More often than most peers in Gastroenterology |
| Removal of large bowel tissue using a flexible endoscope | Procedure | 45390 |
21 | More often than most peers in Gastroenterology |
| Removal of tissue lining of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43254 |
19 | More often than most peers in Gastroenterology |
| Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43242 |
17 | As often as other peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
15 | Less often than most peers in Gastroenterology |
| Biopsy of lower large bowel using a flexible endoscope | Procedure | 45331 |
15 | 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 2
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 Duarte 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) 7
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Lin's specialty?
Dr. Lin is a gastroenterologist in Duarte, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Dr. Lin?
Dr. Lin is listed at 1500 Duarte Rd Division of Gastroenterology, City of Hope, Duarte, CA 91010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Lin?
The number on file is (626) 256-4673. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Lin's NPI number?
Dr. Lin's National Provider Identifier is 1770743502. 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
What is Dr. Lin's medical education?
Dr. Lin attended Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Lin been practicing?
Dr. Lin has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Lin known for?
According to Medicare billing data, Dr. Lin performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Lin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lin. If this is you, claiming it is free.
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