Physician Profile
Olaya Brewer Gutierrez, MD
Unclaimed ProfileAbout Dr. Brewer Gutierrez
Olaya Brewer Gutierrez, MD is a healthcare provider in Baltimore, MD specializing in gastroenterology. According to Medicare claims data, Olaya cared for 749 Medicare patients across 805 services. The services billed most often include biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, study of esophagus to assess movement, and monitoring and recording of esophageal function through nasal tube with electrode. This provider record is associated with NPI 1629420948.
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
- (410) 502-3699
- Email not available
Practice Locations
1800 ORLEANS ST ZAYED M2058
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
805 services · 749 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
157 | 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 |
| Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43242 |
46 | More often than most peers in Gastroenterology |
| Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | Procedure | 43264 |
29 | More often than most peers in Gastroenterology |
| Destruction of polyp or growth of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43270 |
27 | More often than most peers in Gastroenterology |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
26 | As often as other peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
24 | Less often than most peers in Gastroenterology |
| Removal of large bowel tissue using a flexible endoscope | Procedure | 45390 |
23 | More often than most peers in Gastroenterology |
| Insertion of stent into pancreatic or bile duct using a flexible endoscope | Procedure | 43274 |
23 | As often as other peers in Gastroenterology |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43259 |
22 | 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.
Other gastroenterologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
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.
More connections — 31 related providers in 4 groups
Other gastroenterologists in Baltimore 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Other 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 MD who bill this service to Medicare most often.
Common questions
What is Dr. Brewer Gutierrez's specialty?
Dr. Brewer Gutierrez 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
Where can I find Dr. Brewer Gutierrez?
Dr. Brewer Gutierrez is listed at 1800 Orleans St Zayed M2058, Baltimore, MD 21287. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Brewer Gutierrez?
The number on file is (410) 502-3699. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Brewer Gutierrez's NPI number?
Dr. Brewer Gutierrez's National Provider Identifier is 1629420948. 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. Brewer Gutierrez's medical education?
Dr. Brewer Gutierrez attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Brewer Gutierrez been practicing?
Dr. Brewer Gutierrez has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Brewer Gutierrez known for?
According to Medicare billing data, Dr. Brewer Gutierrez performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope; 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. Brewer Gutierrez confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Brewer Gutierrez. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.