Physician Profile
Zhamarie Ortiz-Mercado, M.D.
Unclaimed ProfileAt a glance
- Senderos de Montehiedra, Calle Turquesa, #28, San Juan, PR 00926
About Dr. Ortiz-Mercado
Zhamarie Ortiz-Mercado, M.D. practices gastroenterology in San Juan, PR. Zhamarie is a 1999 graduate of University of Puerto Rico School of Medicine. Medicare claims data shows Zhamarie provided 75 services to 57 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 esophagus, stomach, and/or upper small bowel using a flexible endoscope. The provider's National Provider Identifier (NPI) is 1841391927.
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) 963-0550
- Email not available
Practice Locations
SENDEROS DE MONTEHIEDRA CALLE TURQUESA, #28
San Juan, PR 00926
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
75 services · 57 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
13 | 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 |
39 | As often as other 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 |
23 | 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 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
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.
More connections — 16 related providers in 2 groups
Class of 1999 at University of Puerto Rico School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in PR who bill this service to Medicare most often.
Common questions
What is Zhamarie Ortiz-Mercado's specialty?
Zhamarie Ortiz-Mercado 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
Where can I find Zhamarie Ortiz-Mercado?
Zhamarie Ortiz-Mercado is listed at Senderos de Montehiedra Calle Turquesa, #28, San Juan, PR 00926. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Zhamarie Ortiz-Mercado?
The number on file is (787) 963-0550. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Zhamarie Ortiz-Mercado?
Zhamarie Ortiz-Mercado's National Provider Identifier is 1841391927. 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
What is Zhamarie Ortiz-Mercado's education?
Zhamarie Ortiz-Mercado attended University of Puerto Rico School of Medicine, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Zhamarie Ortiz-Mercado have?
Zhamarie Ortiz-Mercado has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What is Zhamarie Ortiz-Mercado known for?
According to Medicare billing data, Zhamarie Ortiz-Mercado performs procedures including biopsy of esophagus, stomach, and/or upper small 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 Zhamarie Ortiz-Mercado's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Zhamarie Ortiz-Mercado. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.