Physician Profile
Guofeng Xie, MD
Unclaimed ProfileAbout Dr. Xie
Guofeng Xie, MD is a healthcare provider in Baltimore, MD specializing in gastroenterology. According to Medicare claims data, Guofeng cared for 217 Medicare patients across 217 services. The services billed most often include study of esophagus to assess movement, monitoring and recording of esophageal function through nasal tube with electrode, and prolonged monitoring and recording of esophageal function through nasal tube with electrode.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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
- (410) 328-5793
- Email not available
Practice Locations
22 S GREENE ST
Baltimore, MD 21201
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
217 services · 217 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Study of esophagus to assess movement | Treatment | 91010 |
74 | More than most peers in Gastroenterology |
| Monitoring and recording of esophageal function through nasal tube with electrode | Treatment | 91037 |
70 | More than most peers in Gastroenterology |
| Prolonged monitoring and recording of esophageal function through nasal tube with electrode | Treatment | 91038 |
27 | More often than most peers in Gastroenterology |
| Test for tone and sensation of rectum and anus | Treatment | 91120 |
15 | Less often than most peers in Gastroenterology |
| Study of rectum sensitivity and function | Treatment | 91122 |
14 | Less often than most peers in Gastroenterology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
17 | 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 Baltimore 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 1990 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Study of esophagus to assess movement 8
Providers in MD who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Xie?
Dr. Xie is a gastroenterologist in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is Dr. Xie's address?
Dr. Xie is listed at 22 S Greene St, Baltimore, MD 21201. 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. Xie?
The number on file is (410) 328-5793. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Xie's NPI number?
Dr. Xie's National Provider Identifier is 1164563102. 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 Dr. Xie train?
Dr. Xie attended Other, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Xie been practicing?
Dr. Xie has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Xie perform?
According to Medicare billing data, Dr. Xie provides treatments such as study of esophagus to assess movement and 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 Dr. Xie confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Xie. 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.