Dr. Roberto E. Mera Lastra, MD
- Medicare services, 2024
- 54
- Medicare patients, 2024
- 25
- Part D claims, 2024
- 3,464
- Hospital affiliations
- 1
- Industry payments
- $4,809
- Practice address
- Carr 3 Km 8 3 Ave 65th Infanteria Box 6021, Carolina, PR 00984
- Practice phone
- Call (787) 757-1800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Mera Lastra's professional email, personal email and mobile number
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Dr. Roberto E. Mera Lastra is a gastroenterologist in San Juan, Puerto Rico
Dr. Mera Lastra practices at Hospital de la Universidad de Puerto Rico, Dr. Federico Trilla in Carolina, Puerto Rico, part of Puerto Rico Government.
Dr. Mera Lastra's NPI, 1407812381, was assigned on April 21, 2006. Dr. Mera Lastra graduated from University of Puerto Rico School of Medicine in 2000. Dr. Mera Lastra holds Puerto Rico license 15354.
- NPI
- 1407812381NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486678059
- NPI enumeration date
- April 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 757-1800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Roberto E. Mera Lastra practices in Carolina and San Juan
Dr. Mera Lastra's primary practice is Hospital de la Universidad de Puerto Rico, Dr. Federico Trilla, at Carr 3 Km 8 3 Ave 65th Infanteria Box 6021, Carolina, PR 00984 in Carolina County. The practice phone is (787) 757-1800. The NPI Registry lists Dr. Mera Lastra's practice address as 109 Domenech, San Juan, PR 00918.
- Hospital de la Universidad de Puerto Rico, Dr. Federico TrillaPrimaryCarr 3 Km 8 3 Ave 65th Infanteria Box 6021, Carolina, PR 00984 · Carolina CountyPhone(787) 757-1800
- NPI Registry address109 Domenech, San Juan, PR 00918 · San Juan CountyPhone(787) 657-8543
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Roberto E. Mera Lastra is affiliated with 2 sites of care
Dr. Mera Lastra's primary practice is Hospital de la Universidad de Puerto Rico, Dr. Federico Trilla in Carolina, Puerto Rico, part of Puerto Rico Government. Dmand AI also links Dr. Mera Lastra to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Roberto E. Mera Lastra's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mera Lastra practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital de la Universidad de Puerto Rico, Dr. Federico Trilla | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Roberto E. Mera Lastra is one of 170 gastroenterologists in Puerto Rico
Gastroenterology is Dr. Mera Lastra's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Mera Lastra is licensed in Puerto Rico.
Specialties and state licenses
- Gastroenterology, Puerto RicoPrimary
Gastroenterologists near Dr. Mera Lastra
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Roberto E. Mera Lastra billed Medicare for 54 services in 2024
CMS data shows 54 Medicare services from Dr. Mera Lastra across 3 procedure codes in 2024, for 25 Medicare patients. Medicare paid $4,726 for them. Every service was in an office.
Dr. Mera Lastra's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 252024: 25No change
- Other services
- 2023: 162024: 1813%
- Surgery
- 2023: 02024: 11
Dr. Mera Lastra compared with the Puerto Rico median for gastroenterologists, 2024
- Dr. Mera Lastra
- Puerto Rico median
- Medicare services
- 54vs 4229% above
- Medicare patients
- 25vs 26Close to median
- Part D claims
- 3,342vs 1,5302.2 times
Medians across 175 gastroenterologists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Mera Lastra's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Mera Lastra?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mera Lastra and other gastroenterologists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Roberto E. Mera Lastra treated 25 Medicare patients in 2024, average age 71
CMS counts 25 Medicare patients who saw Dr. Mera Lastra in 2024. 75% of them have diabetes, and 75% have high blood pressure. Their average risk score is 1.70, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Mera Lastra's median patient age at 62, with 100% women.
Chronic conditions among Dr. Mera Lastra's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease60%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mera Lastra's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Roberto E. Mera Lastra wrote 3,464 Medicare Part D claims in 2024
In 2024, Dr. Mera Lastra wrote 3,464 Medicare Part D claims for 1,351 patients. 72% of them were for generic drugs. CMS names the drug for 3,342 of them, across 23 drugs with 11 or more claims each, at $655,917 in total drug cost. In 2023, CMS named 3,678 claims across 22 drugs.
Dr. Mera Lastra's Part D claims by kind of drug, 2024
- Generic2,496 claims72%
- Brand-name968 claims28%
Dr. Mera Lastra's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Mera Lastra's Part D claims, 2024
- Antibiotics6%201 of 3,464 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,6782024: 3,3429%
Drugs named by CMS: 23 in 2024, 22 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Roberto E. Mera Lastra ranks in the 91st percentile for colonoscopy in Medicare
Dr. Mera Lastra accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 166 procedures of colonoscopy by Dr. Mera Lastra, more than 91% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mera Lastra ranks in Medicare procedure volume
- Colonoscopy
- 91st percentile166 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 71st percentile76 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Roberto E. Mera Lastra received $4,809 in industry payments from 2016 to 2025
CMS Open Payments shows 70 general payments to Dr. Mera Lastra from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 88% of the total. Abbvie Inc. paid the most, $1,446.
General payments to Dr. Mera Lastra by program year, 2016 to 2025
General payments to Dr. Mera Lastra by kind, 2016 to 2025
- Food and beverage$4,25188%
- Travel and lodging$52211%
- Education$361%
Companies that paid Dr. Mera Lastra the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Roberto E. Mera Lastra graduated from University of Puerto Rico School of Medicine
Dr. Mera Lastra graduated from University of Puerto Rico School of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Roberto E. Mera Lastra's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Roberto E. Mera Lastra
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Roberto E. Mera Lastra's NPI number?
Dr. Roberto E. Mera Lastra's NPI number is 1407812381. It was assigned on April 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Roberto E. Mera Lastra?
Dr. Roberto E. Mera Lastra is a gastroenterologist in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Roberto E. Mera Lastra practice?
Dr. Mera Lastra practices at Carr 3 Km 8 3 Ave 65th Infanteria Box 6021, Carolina, PR 00984. Dr. Mera Lastra also practices at 109 Domenech, San Juan, PR 00918. Dr. Mera Lastra's primary practice is Hospital de la Universidad de Puerto Rico, Dr. Federico Trilla in Carolina, Puerto Rico, part of Puerto Rico Government. Dmand AI also links Dr. Mera Lastra to 1 physician office.
What is Dr. Roberto E. Mera Lastra's office phone number?
The practice phone on file for Dr. Mera Lastra is (787) 757-1800.
What is Dr. Roberto E. Mera Lastra's medical license number?
Dr. Mera Lastra holds Puerto Rico license 15354.
Which hospitals is Dr. Roberto E. Mera Lastra affiliated with?
Dr. Mera Lastra practices at Hospital de la Universidad de Puerto Rico, Dr. Federico Trilla in Carolina, Puerto Rico.
Does Dr. Roberto E. Mera Lastra accept Medicare?
Yes. CMS data shows Dr. Mera Lastra billed Medicare for 54 services in 2024, and Dr. Mera Lastra accepts Medicare assignment.
How many Medicare patients does Dr. Roberto E. Mera Lastra see?
CMS counts 25 Medicare patients who saw Dr. Mera Lastra in 2024, with an average age of 71.
What services does Dr. Roberto E. Mera Lastra bill to Medicare?
In 2024, Dr. Mera Lastra's most billed Medicare services were office visit, established patient (99213), medicare service (G0500) and surgery: digestive system (45380).
Where did Dr. Roberto E. Mera Lastra go to medical school?
Dr. Mera Lastra graduated from University of Puerto Rico School of Medicine in 2000.
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What drugs does Dr. Roberto E. Mera Lastra prescribe most?
In 2024 Medicare Part D data, Dr. Mera Lastra's most prescribed drugs by claims were Omeprazole, Midazolam HCl and Suprep.
Has Dr. Roberto E. Mera Lastra received payments from drug or device companies?
CMS Open Payments shows $4,809 in general payments to Dr. Mera Lastra from 10 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Roberto E. Mera Lastra been practicing?
Dr. Mera Lastra graduated from medical school in 2000, 26 years ago.
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