Are you James K. Yan, D.O.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 728 Pacific Ave Ste 305, San Francisco, CA 94133
About Dr. Yan
Based in San Francisco, CA, James K. Yan, D.O. is listed in the NPI registry under gastroenterology. James graduated from College of Osteo Med of the Pacific at Pomona in 1991. According to Medicare claims data, James cared for 265 Medicare patients across 276 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, 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, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. NPI 1588683890 identifies this record in the national registry.
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
- (415) 781-1818
- Email not available
Practice Locations
728 PACIFIC AVE STE 305
San Francisco, CA 94133
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
276 services · 265 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
37 | Less often than most peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
26 | More often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
19 | Less often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
67 | As often as other 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 |
65 | As often as other peers in Gastroenterology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
49 | More 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 |
13 | 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 San Francisco 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at College of Osteo Med of the Pacific at Pomona 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at College of Osteo Med of the Pacific at Pomona 8
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 kind of doctor is James K. Yan?
James K. Yan is a gastroenterologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is James K. Yan's address?
James K. Yan is listed at 728 Pacific Ave Ste 305, San Francisco, CA 94133. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with James K. Yan?
The number on file is (415) 781-1818. Contact the office directly to confirm availability and scheduling.
NPI registry
What is James K. Yan's NPI number?
James K. Yan's National Provider Identifier is 1588683890. 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 James K. Yan train?
James K. Yan attended College of Osteo Med of the Pacific at Pomona, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has James K. Yan been practicing?
James K. Yan has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What procedures does James K. Yan perform?
According to Medicare billing data, James K. Yan performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, diagnostic exam of large bowel using a flexible endoscope and biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has James K. Yan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by James K. Yan. If this is you, claiming it is free.
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