Dr. Roberto Juan Gandara, MD
- Medicare services, 2024
- 33
- Medicare patients, 2024
- 27
- Part D claims, 2024
- 374
- Industry payments
- $542
- Affiliated sites
- 1
- Practice address
- 3 1, San Juan, PR 00926
- Practice phone
- Call (787) 286-2800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tiger Med Corp
San Juan, Puerto Rico
Find Dr. Gandara's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Roberto Juan Gandara is a general practice physician in San Juan, Puerto Rico
Dr. Gandara practices at Tiger Med Corp in San Juan, Puerto Rico.
Dr. Gandara's NPI, 1669489183, was assigned on August 1, 2006. Dr. Gandara holds Puerto Rico license 11223.
- NPI
- 1669489183NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799958724
- NPI enumeration date
- August 1, 2006
- NPI status
- Active
- Practice phone
- (787) 286-2800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Roberto Juan Gandara practices at Tiger Med Corp in San Juan, Puerto Rico
Dr. Gandara's primary practice is Tiger Med Corp, at 3 1, San Juan, PR 00926 in San Juan County. The practice phone is (787) 286-2800.
- Tiger Med Corp3 1, San Juan, PR 00926 · San Juan CountyPhone(787) 286-2800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Roberto Juan Gandara is affiliated with 2 sites of care and 1 medical group
Dr. Gandara's primary practice is Tiger Med Corp in San Juan, Puerto Rico. The medical group on file is Tiger Med Caguas. Dmand AI also links Dr. Gandara to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Roberto Juan Gandara's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gandara practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tiger Med Corp | 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 Juan Gandara is one of 2,604 general practice physicians in Puerto Rico
General practice is Dr. Gandara's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Gandara is licensed in Puerto Rico.
Specialties and state licenses
- General practice, Puerto RicoPrimary
General practice physicians near Dr. Gandara
Counts of general practice physicians 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 Juan Gandara billed Medicare for 33 services in 2024
CMS data shows 33 Medicare services from Dr. Gandara across 1 procedure code in 2024, all of them office visits, for 27 Medicare patients. Medicare paid $2,029 for them. Every service was in an office.
Dr. Gandara's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 402024: 3318%
Dr. Gandara compared with the Puerto Rico median for general practice physicians, 2024
- Dr. Gandara
- Puerto Rico median
- Medicare services
- 33vs 34Close to median
- Medicare patients
- 27vs 1942% above
- Part D claims
- 154vs 73579% below
Medians across 3,001 general practice physicians in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Gandara'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Roberto Juan Gandara treated 27 Medicare patients in 2024, average age 71
CMS counts 27 Medicare patients who saw Dr. Gandara in 2024. The largest group is 65 to 74, with 12 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 48% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gandara's median patient age at 23, with 63% women.
Dr. Gandara's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Gandara's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes70%
- Arthritis41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gandara's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 23
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Roberto Juan Gandara wrote 374 Medicare Part D claims in 2024
In 2024, Dr. Gandara wrote 374 Medicare Part D claims for 34 patients. 90% of them were for generic drugs. CMS names the drug for 154 of them, across 10 drugs with 11 or more claims each, at $1,408 in total drug cost. In 2023, CMS named 79 claims across 5 drugs.
Dr. Gandara's Part D claims by kind of drug, 2024
- Generic335 claims90%
- Brand-name39 claims10%
Dr. Gandara'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 792024: 15495%
Drugs named by CMS: 10 in 2024, 5 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
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Dr. Roberto Juan Gandara received $542 in industry payments from 2018 to 2025
CMS Open Payments shows 7 general payments to Dr. Gandara from 4 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $214.
General payments to Dr. Gandara by program year, 2018 to 2025
Companies that paid Dr. Gandara the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Roberto Juan Gandara'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Juan Gandara
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 Juan Gandara's NPI number?
Dr. Roberto Juan Gandara's NPI number is 1669489183. It was assigned on August 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Roberto Juan Gandara?
Dr. Roberto Juan Gandara is a general practice physician in San Juan, Puerto Rico. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Roberto Juan Gandara practice?
Dr. Gandara practices at 3 1, San Juan, PR 00926. Dr. Gandara's primary practice is Tiger Med Corp in San Juan, Puerto Rico. Dmand AI also links Dr. Gandara to 1 group practice or clinic.
What is Dr. Roberto Juan Gandara's office phone number?
The practice phone on file for Dr. Gandara is (787) 286-2800.
What is Dr. Roberto Juan Gandara's medical license number?
Dr. Gandara holds Puerto Rico license 11223.
What medical group is Dr. Roberto Juan Gandara part of?
Dr. Gandara is linked to Tiger Med Caguas.
Does Dr. Roberto Juan Gandara accept Medicare?
Yes. CMS data shows Dr. Gandara billed Medicare for 33 services in 2024.
How many Medicare patients does Dr. Roberto Juan Gandara see?
CMS counts 27 Medicare patients who saw Dr. Gandara in 2024, with an average age of 71.
What services does Dr. Roberto Juan Gandara bill to Medicare?
In 2024, Dr. Gandara's most billed Medicare services were office visit, established patient (99213).
What drugs does Dr. Roberto Juan Gandara prescribe most?
In 2024 Medicare Part D data, Dr. Gandara's most prescribed drugs by claims were Atorvastatin Calcium, Simvastatin and Hydrochlorothiazide.
Has Dr. Roberto Juan Gandara received payments from drug or device companies?
CMS Open Payments shows $542 in general payments to Dr. Gandara from 4 companies from 2018 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Roberto Juan Gandara been practicing?
Dr. Gandara graduated from medical school in 1990, 36 years ago.
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