Allan Santiago
- Medicare services, 2024
- 85
- Medicare patients, 2024
- 46
- Part D claims, 2024
- 1,114
- Hospital affiliations
- 1
- Industry payments
- $4,651
- Practice address
- 1451 Ashford Avenue, El Condado, San Juan, PR 00907
- Practice phone
- Call (787) 721-2160
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Allan Santiago'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.
Allan Santiago is a gastroenterologist in San Juan, Puerto Rico
Allan Santiago practices at Ashford Hospital in San Juan, Puerto Rico, part of Ashford Presbyterian Community Hospital.
Allan Santiago's NPI, 1457327306, was assigned on February 28, 2006. Allan Santiago graduated from University of Puerto Rico School of Medicine in 1981. Allan Santiago holds Puerto Rico license 7360.
- NPI
- 1457327306NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294811568
- NPI enumeration date
- February 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 721-2160
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Allan Santiago practices at Ashford Hospital in San Juan, Puerto Rico
Allan Santiago's primary practice is Ashford Hospital, at 1451 Ashford Avenue, El Condado, San Juan, PR 00907 in San Juan County. The practice phone is (787) 721-2160.
- Ashford Hospital1451 Ashford Avenue, El Condado, San Juan, PR 00907 · San Juan CountyPhone(787) 721-2160
Source: Dmand AI Affiliation Data
Allan Santiago is affiliated with 2 sites of care
Allan Santiago's primary practice is Ashford Hospital in San Juan, Puerto Rico, part of Ashford Presbyterian Community Hospital. Dmand AI also links Allan Santiago to 1 therapy and rehab clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Allan Santiago's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Allan Santiago practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ashford Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ashford Presbyterian Community Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Allan Santiago is one of 170 gastroenterologists in Puerto Rico
Gastroenterology is Allan Santiago's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Allan Santiago is licensed in Puerto Rico.
Specialties and state licenses
- Gastroenterology, Puerto RicoPrimary
Gastroenterologists near Allan Santiago
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
Allan Santiago billed Medicare for 85 services in 2024
CMS data shows 85 Medicare services from Allan Santiago across 3 procedure codes in 2024, for 46 Medicare patients. Medicare paid $5,320 for them. Every service was in an office.
Allan Santiago's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 852024: 7215%
- Other services
- 2023: 312024: 1358%
- Surgery
- 2023: 122024: 0100%
Allan Santiago compared with the Puerto Rico median for gastroenterologists, 2024
- Allan Santiago
- Puerto Rico median
- Medicare services
- 85vs 422.0 times
- Medicare patients
- 46vs 2677% above
- Part D claims
- 969vs 1,53037% below
Medians across 175 gastroenterologists in Puerto Rico with Dmand AI profiles that report each measure.
Allan Santiago'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 Allan Santiago?
Medicare shows one payer. Book a meeting to get commercial claims data for Allan Santiago and other gastroenterologists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Allan Santiago treated 46 Medicare patients in 2024, average age 75
CMS counts 46 Medicare patients who saw Allan Santiago in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Allan Santiago's median patient age at 71, with 86% women.
Allan Santiago's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Allan Santiago's Medicare patients by sex, 2024
- Women2861%
- Men1839%
Chronic conditions among Allan Santiago's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes61%
- Arthritis46%
- Osteoporosis33%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Allan Santiago's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women86%
- Men14%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Allan Santiago wrote 1,114 Medicare Part D claims in 2024
In 2024, Allan Santiago wrote 1,114 Medicare Part D claims for 301 patients. 86% of them were for generic drugs. CMS names the drug for 969 of them, across 13 drugs with 11 or more claims each, at $50,952 in total drug cost. In 2023, CMS named 1,082 claims across 13 drugs.
Allan Santiago's Part D claims by kind of drug, 2024
- Generic954 claims86%
- Brand-name160 claims14%
Allan Santiago'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 Allan Santiago's Part D claims, 2024
- Antibiotics3%35 of 1,114 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: 1,0822024: 96910%
Drugs named by CMS: 13 in 2024, 13 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
Allan Santiago ranks in the 91st percentile for colonoscopy in Medicare
Allan Santiago accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 171 procedures of colonoscopy by Allan Santiago, more than 91% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Allan Santiago ranks in Medicare procedure volume
- Colonoscopy
- 91st percentile171 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 74th percentile87 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Allan Santiago received $4,651 in industry payments from 2016 to 2025
CMS Open Payments shows 44 general payments to Allan Santiago from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 79% of the total. Allergan Inc. paid the most, $2,443.
General payments to Allan Santiago by program year, 2016 to 2025
General payments to Allan Santiago by kind, 2016 to 2025
- Food and beverage$3,69579%
- Travel and lodging$86719%
- Education$892%
Companies that paid Allan Santiago the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Allan Santiago graduated from University of Puerto Rico School of Medicine
Allan Santiago graduated from University of Puerto Rico School of Medicine in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Allan Santiago'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 | Dmand AI Affiliation 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 Allan Santiago
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Allan Santiago's NPI number?
Allan Santiago's NPI number is 1457327306. It was assigned on February 28, 2006, and it is active in the NPI Registry.
What does Allan Santiago specialize in?
Allan Santiago is a gastroenterologist in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Allan Santiago practice?
Allan Santiago practices at 1451 Ashford Avenue, El Condado, San Juan, PR 00907. Allan Santiago's primary practice is Ashford Hospital in San Juan, Puerto Rico, part of Ashford Presbyterian Community Hospital. Dmand AI also links Allan Santiago to 1 therapy and rehab clinic.
What is Allan Santiago's office phone number?
The practice phone on file for Allan Santiago is (787) 721-2160.
What is Allan Santiago's medical license number?
Allan Santiago holds Puerto Rico license 7360.
Which hospitals is Allan Santiago affiliated with?
Allan Santiago practices at Ashford Hospital in San Juan, Puerto Rico.
Does Allan Santiago accept Medicare?
Yes. CMS data shows Allan Santiago billed Medicare for 85 services in 2024, and Allan Santiago accepts Medicare assignment.
How many Medicare patients does Allan Santiago see?
CMS counts 46 Medicare patients who saw Allan Santiago in 2024, with an average age of 75.
What services does Allan Santiago bill to Medicare?
In 2024, Allan Santiago's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and medicare service (G0500).
Where did Allan Santiago go to medical school?
Allan Santiago graduated from University of Puerto Rico School of Medicine in 1981.
Show 3 more questionsShow fewer questions
What drugs does Allan Santiago prescribe most?
In 2024 Medicare Part D data, Allan Santiago's most prescribed drugs by claims were Famotidine, Naloxone HCl and Pantoprazole Sodium.
Has Allan Santiago received payments from drug or device companies?
CMS Open Payments shows $4,651 in general payments to Allan Santiago from 8 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Allan Santiago been practicing?
Allan Santiago graduated from medical school in 1981, 45 years ago.
Selling to gastroenterology practices?
See gastroenterologists in Puerto Rico by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card