Mariano Demiguel, MD
NPI 1750388435 · Nephrology Physician · Toledo, OH
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariano Demiguel, MD is a Nephrology Physician provider in Toledo, OH (NPI 1750388435).
Provider details
- NPI number
- 1750388435
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35076290 (OH)
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
967 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 560 | $119 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 245 | $75 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 101 | $328 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 50 | $122 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 11 | $112 |
Typical Medicare-allowed amounts for these services range $75–$328 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 374 | 94 |
| Amlodipine Besylate | 363 | 111 |
| Losartan Potassium | 230 | 55 |
| Furosemide | 227 | 67 |
| Metoprolol Succinate | 179 | 42 |
| Chlorthalidone | 156 | 42 |
| Dapagliflozin Propanediolbrand: Farxiga | 126 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,606 across 63 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
- 2005-07-07
- Last updated
- 2011-05-31
Frequently asked questions
- What is Mariano Demiguel's NPI number?
- Mariano Demiguel's National Provider Identifier (NPI) is 1750388435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariano Demiguel's specialty?
- Mariano Demiguel is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Mariano Demiguel located?
- Mariano Demiguel's practice location on file with NPPES is 4235 Secor Rd, Toledo, OH 43623-4231.
- What is Mariano Demiguel's phone number?
- The practice phone number listed in the NPPES registry for Mariano Demiguel is (419) 479-5529.
- Does Mariano Demiguel accept Medicare?
- Mariano Demiguel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariano Demiguel's NPI active?
- Yes — Mariano Demiguel's NPI (1750388435) is active in the NPPES registry as of the last update on 2011-05-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.