Physician Profile
Guinea S. Fan, M.D.
Unclaimed ProfileAbout Dr. Fan
Guinea S. Fan, M.D. is a healthcare provider in Sacramento, CA specializing in gastroenterology. According to Medicare claims data, Guinea cared for 649 Medicare patients across 1,049 services. The services billed most often include injection, midazolam hydrochloride, per 1 mg, injection, fentanyl citrate, 0.1 mg, and use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes.
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
- (916) 734-7224
- Email not available
Practice Locations
4150 V ST STE 3500
Sacramento, CA 95817
6600 Bruceville Rd Dept of Gastroenterology, Medical Office Building 2
Sacramento, CA 95823
11795 Education St Ste 213
Auburn, CA 95602
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
1,049 services · 649 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
46 | As often as other peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
37 | As often as other peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
30 | Less often than most peers in Gastroenterology |
| Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes | Treatment | 99153 |
114 | More often than most peers in Gastroenterology |
| Injection, midazolam hydrochloride, per 1 mg | Drug given | J2250 |
415 | More often than most peers in Gastroenterology |
| Injection, fentanyl citrate, 0.1 mg | Drug given | J3010 |
131 | More 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 |
96 | More often than most 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 |
39 | More often than most peers in Gastroenterology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
37 | As often as other 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 |
30 | 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 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.
Other gastroenterologists in Sacramento 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 2004 at Other 8
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 CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Guinea S. Fan?
Guinea S. Fan is a gastroenterologist in Sacramento, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is Guinea S. Fan's address?
Guinea S. Fan is listed at 4150 V St Ste 3500, Sacramento, CA 95817. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Guinea S. Fan?
The number on file is (916) 734-7224. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Guinea S. Fan's NPI number?
Guinea S. Fan's National Provider Identifier is 1356504716. 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 Guinea S. Fan train?
Guinea S. Fan attended Other, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Guinea S. Fan been practicing?
Guinea S. Fan has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What procedures does Guinea S. Fan perform?
According to Medicare billing data, Guinea S. Fan 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 use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Guinea S. Fan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Guinea S. Fan. 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.