Provider Profile
Allan Santiago
Unclaimed ProfileAbout Allan Santiago
Allan Santiago practices gastroenterology in San Juan, PR. Allan is a 1981 graduate of University of Puerto Rico School of Medicine. According to Medicare claims data, Allan cared for 64 Medicare patients across 85 services. 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, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and 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. The provider's National Provider Identifier (NPI) is 1457327306.
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) 721-7789
- Email not available
Practice Locations
29 CALLE WASHINGTON STE 705 ASHFORD MEDICAL CENTER
San Juan, PR 00907
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
85 services · 64 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
55 | As often as other peers in Gastroenterology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
17 | 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 |
13 | 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.
Other gastroenterologists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 23 related providers in 3 groups
Other gastroenterologists in San Juan 8
Same specialty, same city.
Trained at University of Puerto Rico School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1981 at University of Puerto Rico School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Allan Santiago?
Allan Santiago is a gastroenterologist in San Juan, PR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is Allan Santiago's address?
Allan Santiago is listed at 29 Calle Washington Ste 705 Ashford Medical Center, San Juan, PR 00907. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Allan Santiago?
The number on file is (787) 721-7789. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Allan Santiago's NPI number?
Allan Santiago's National Provider Identifier is 1457327306. 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 Allan Santiago train?
Allan Santiago attended University of Puerto Rico School of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Allan Santiago been practicing?
Allan Santiago has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What procedures does Allan Santiago perform?
According to Medicare billing data, Allan Santiago the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Allan Santiago confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Allan Santiago. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.