Mariano H. Demiguel, MD
Nephrology Physician · Toledo, OH
Mariano H. Demiguel, MD is a nephrology physician with a practice address in Toledo, Ohio, and NPI 1750388435, issued on Jul 7, 2005. Check the license (Ohio 35076290, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Mariano H. Demiguel
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 35076290 OH
Self-reported in NPPES; status is on the state search - Practice location
- 4235 Secor RD, Toledo, OH 43623
- Phone
- (419) 479-5529
- Enumerated
- Jul 7, 2005
- Record last updated
- May 31, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 2167819 OH
- Medicare enrollment
- Enrolled (PECOS I20060105000192); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 499 in Ohio → Look up another NPI →
Also registered at 4235 Secor RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Olivia Ajja, CRNACertified Registered Nurse Anesthetist1225138431
- Osama Al-Bawab, MDCardiovascular Disease Physician1609877075
- Bayan Al-Hurani, MDInternal Medicine Physician1598260689
- Nasir Ali, MDPulmonary Disease Physician1447257282
Verify Mariano H. Demiguel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35076290Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% more Medicare Part D claims than the average nephrology physician in 2024
2,679 Medicare Part D claims for 390 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Lisinopril374 claims
- Amlodipine Besylate363 claims
- Losartan Potassium230 claims
- Furosemide227 claims
- Metoprolol Succinate179 claims
- Chlorthalidone156 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,605.58
63 payments; by number, the most common kind was food and beverage; the largest payer was Travere Therapeutics, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mariano H. Demiguel among 499 nephrology physician records in Ohio
Mariano H. Demiguel, MD is one of 499 nephrology physician records with a practice address in Ohio. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1983 · median 2002 among the 374 with a school on file
- Record last updated2011 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Ohio
There are 499 nephrology physician records in Ohio.
All 499 in Ohio → Every provider in Toledo → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Anil Mehta, MDToledo, OH 436231700885092
- Anand Ravindran, MDToledo, OH 436231104824515
- Soukayna Rkaine, MDToledo, OH 436231568628253
- Mohamed Sekkarie, MDToledo, OH 436231841206695
- Ronald Shapiro, M.D., PHD., F.A.C.P.Toledo, OH 436231679552236
- Akinfemi Afolabi, M.D.Oregon, OH 436161992782965
- David Da Rocha Afodu, M.DOregon, OH 436161356640395
- Elizabeth Grames, APRNOregon, OH 436161932677515
Common questions
What is Mariano H. Demiguel, MD's NPI number?
Mariano H. Demiguel, MD's National Provider Identifier (NPI) is 1750388435, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mariano H. Demiguel, MD located?
The NPPES record lists a practice address at 4235 Secor RD, Toledo, OH, 43623. Phone: (419) 479-5529. Providers update this record themselves, so call before visiting.
How can I verify Mariano H. Demiguel, MD's license?
NPPES lists Ohio license number 35076290, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mariano H. Demiguel, MD prescribe under Medicare Part D?
In 2024, Mariano H. Demiguel, MD had 2,679 Medicare Part D claims for 390 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.