Maria Valentin Mari, MD
NPI 1558360156 · Internal Medicine Physician · Ponce, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Valentin Mari, MD is a Internal Medicine Physician provider in Ponce, PR (NPI 1558360156).
Provider details
- NPI number
- 1558360156
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 13555 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
85 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 | 65 | $89 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 20 | $55 |
Typical Medicare-allowed amounts for these services range $55–$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 · 224 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,379 | 443 |
| Famotidine | 811 | 225 |
| Levothyroxine Sodiumbrand: Synthroid | 754 | 198 |
| Gabapentin | 671 | 202 |
| Losartan Potassium | 558 | 180 |
| Omeprazole | 520 | 131 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$375 across 8 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
- 2005-07-18
- Last updated
- 2022-10-25
- Certified
- 2022-10-19
Frequently asked questions
- What is Maria Valentin Mari's NPI number?
- Maria Valentin Mari's National Provider Identifier (NPI) is 1558360156, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Valentin Mari's specialty?
- Maria Valentin Mari is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Valentin Mari located?
- Maria Valentin Mari's practice location on file with NPPES is 909 Ave Tito Castro Ste 609, Ponce, PR 00716-4721.
- What is Maria Valentin Mari's phone number?
- The practice phone number listed in the NPPES registry for Maria Valentin Mari is (787) 844-9101.
- Does Maria Valentin Mari accept Medicare?
- Maria Valentin Mari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Valentin Mari's NPI active?
- Yes — Maria Valentin Mari's NPI (1558360156) is active in the NPPES registry as of the last update on 2022-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.