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- A1 Ave Agustin Perez Andino, Villas de Rio Grande, Rio Grande, PR 00745
About Dr. Mera Lastra
Based in Rio Grande, PR, Roberto E. Mera Lastra, M.D. is listed in the NPI registry under gastroenterology. Roberto graduated from University of Puerto Rico School of Medicine in 2000. Roberto is also listed as specializing in internal medicine. Medicare claims data shows Roberto provided 54 services to 46 patients. 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 biopsy of large bowel using a flexible endoscope. NPI 1407812381 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
- (787) 657-8543
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
A1 AVE AGUSTIN PEREZ ANDINO VILLAS DE RIO GRANDE
Rio Grande, PR 00745
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
Chronic conditions
- Cystic Fibrosis Malabsorption
Liver health
- Cirrhosis of the Liver
Specialized and cancer
- Short bowel syndrome
Wound care
- Feeding Tube Site Irritation
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
- Acute pancreatitis
- Gallstones
- Pancreatic cysts
- Primary sclerosing cholangitis
Colon and anorectal
- Anal fissure
- Colon cancer
- Colon polyps
- Lower gastrointestinal bleeding
Esophagus and swallowing
- Barrett's esophagus
- Eosinophilic esophagitis
- Esophageal stricture
- Esophagitis
Functional bowel and motility
- Chronic diarrhea
- Fecal incontinence
- Small intestinal bacterial overgrowth
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
- Functional dyspepsia
- Gastritis
- Gastroparesis
- H. pylori infection
- Peptic ulcer disease
Bowel & Colon
- Diverticulitis
Digestive Symptoms
Gallbladder & Bile Ducts
- Blocked Bile Duct
Procedures & services
Advanced endoscopy
- EUS-guided biopsy
Biliary and pancreatic endoscopy
- Biliary sphincterotomy
- Endoscopic bile duct stone removal
Capsule and physiology testing
- Ambulatory reflux monitoring
- Capsule endoscopy
- Hydrogen and methane breath testing
- Anorectal manometry
- Esophageal manometry
Chronic illness
- Feeding tube care and troubleshooting
Clinical Nutrition
- IV Nutrition Support
Diagnostic Testing
- 24-Hour Acid Reflux Test
- H. Pylori Breath Test
- SIBO Breath Test
- EUS-Guided Fine Needle Biopsy
Digestive
- Bowel Retraining Program
General surgery
- Hemorrhoid banding and treatment
Infection & Microbiology Tests
Liver procedures
- Paracentesis
- Esophageal variceal banding
- Liver elastography
Lower endoscopy
- Colon polyp removal
- Diagnostic colonoscopy
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Nursing care
- G-Tube Button Replacement
Nutrition & Digestion
- Feeding tube placement
Upper endoscopy
- Endoscopic mucosal resection
- Esophageal biopsy
- Esophageal dilation
- Stomach biopsy
- Endoscopic submucosal dissection
Most searched procedures
- Colonoscopy
- Endoscopy
- Gallbladder removal
- Hernia repair
- Liver biopsy
Treatments
- Stool Transplant
Procedures Most Often Billed to Medicare
54 services · 46 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
11 | 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 |
25 | Less often 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 |
18 | 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.
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.
Trained at University of Puerto Rico School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at University of Puerto Rico School of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in PR who bill this service to Medicare most often.
Common questions
What kind of doctor is Roberto E. Mera Lastra?
Roberto E. Mera Lastra is a gastroenterologist in Rio Grande, PR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is Roberto E. Mera Lastra's address?
Roberto E. Mera Lastra is listed at A1 Ave Agustin Perez Andino Villas de Rio Grande, Rio Grande, PR 00745. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Roberto E. Mera Lastra?
The number on file is (787) 657-8543. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Roberto E. Mera Lastra?
Roberto E. Mera Lastra's National Provider Identifier is 1407812381. 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 Roberto E. Mera Lastra train?
Roberto E. Mera Lastra attended University of Puerto Rico School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Roberto E. Mera Lastra have?
Roberto E. Mera Lastra has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does Roberto E. Mera Lastra perform?
According to Medicare billing data, Roberto E. Mera Lastra performs procedures including 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
Is Roberto E. Mera Lastra's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Roberto E. Mera Lastra. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.