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.

IndividualActiveAccepts Medicare

Mariano Demiguel, MD

NPI 1750388435 · Nephrology Physician · Toledo, OH

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)

Practice location

4235 Secor Rd

Toledo, OH 43623-4231

Phone: (419) 479-5529

Street-level locationGet directions

More OH providers

Mailing address

4235 Secor Rd

Toledo, OH 43623-4231

Specialties & taxonomies

Nephrology PhysicianPrimary207RN0300XLicense 35076290 (OH)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(77/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
21 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 methodology.

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.

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.

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

Drug

Part D claims (2024)

Beneficiaries

Lisinopril

374

Amlodipine Besylate

363

111

Losartan Potassium

230

Furosemide

227

Metoprolol Succinate

179

Chlorthalidone

156

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)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments