Physician Profile
Yaiza Martinez-Ortiz, MD
Unclaimed ProfileAbout Dr. Martinez-Ortiz
Based in San Juan, PR, Yaiza Martinez-Ortiz, MD is listed in the NPI registry under gastroenterology. Medicare claims data shows Yaiza provided 45 services to 31 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 and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. NPI 1134413701 identifies this record in the national registry.
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) 249-9560
- Email not available
Practice Locations
29 WASHINGTON STREET ASHFORD MEDICAL CENTER STE 601-602
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
45 services · 31 patients · 2 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 |
30 | Less often than most 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 |
15 | 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.
Related specialists at this location 2
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.
Other gastroenterologists in San Juan 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Martinez-Ortiz specialize in?
Dr. Martinez-Ortiz 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 is Dr. Martinez-Ortiz located?
Dr. Martinez-Ortiz is listed at 29 Washington Street Ashford Medical Center Ste 601-602, San Juan, PR 00907. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Martinez-Ortiz's phone number?
The number on file is (787) 249-9560. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Martinez-Ortiz?
Dr. Martinez-Ortiz's National Provider Identifier is 1134413701. 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 Dr. Martinez-Ortiz go to medical school?
Dr. Martinez-Ortiz attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Martinez-Ortiz have?
Dr. Martinez-Ortiz has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Martinez-Ortiz do most often?
According to Medicare billing data, Dr. Martinez-Ortiz 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
Is Dr. Martinez-Ortiz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Martinez-Ortiz. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.