Maria Rios-Enriquez, MD
NPI 1811988199 · Gastroenterology Physician · San German, PR
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Rios-Enriquez, MD is a Gastroenterology Physician provider in San German, PR (NPI 1811988199).
Provider details
- NPI number
- 1811988199
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 13271 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
54 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 31 | $89 |
| 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 MonitoG0500 | 23 | $56 |
Typical Medicare-allowed amounts for these services range $56–$89 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Suprep | 210 | 208 |
| Famotidine | 199 | 62 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 179 | 176 |
| Midazolam Hcl/Pfbrand: Midazolam Hcl | 174 | 159 |
| Meperidine Hcl/Pfbrand: Meperidine Hcl | 144 | 120 |
| Omeprazole | 119 | 51 |
| Sucralfate | 116 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$272 across 12 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-04
- Last updated
- 2008-04-22
Frequently asked questions
- What is Maria Rios-Enriquez's NPI number?
- Maria Rios-Enriquez's National Provider Identifier (NPI) is 1811988199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Rios-Enriquez's specialty?
- Maria Rios-Enriquez is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Rios-Enriquez located?
- Maria Rios-Enriquez's practice location on file with NPPES is Herman Alvarez # 100, San German, PR 00683.
- What is Maria Rios-Enriquez's phone number?
- The practice phone number listed in the NPPES registry for Maria Rios-Enriquez is (787) 264-2204.
- Does Maria Rios-Enriquez accept Medicare?
- Maria Rios-Enriquez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Rios-Enriquez's NPI active?
- Yes — Maria Rios-Enriquez's NPI (1811988199) is active in the NPPES registry as of the last update on 2008-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.