Alejandro Diez, MD
Nephrology Physician · Columbus, OH
Alejandro Diez, MD is a nephrology physician with a practice address in Columbus, Ohio, and NPI 1669670782, issued on Jul 10, 2007. Check the license (Ohio 35.099766, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Alejandro Diez
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 35.099766 OH
Self-reported in NPPES; status is on the state search - Practice location
- 300 W 10TH Ave, Columbus, OH 43210
- Phone
- (614) 293-4837
- Enumerated
- Jul 10, 2007
- Record last updated
- Feb 26, 2026
- Fax
- (614) 293-3125
- Medicare enrollment
- Enrolled (PECOS I20120829000295); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 499 in Ohio → Look up another NPI →
Also registered at 300 W 10TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Saida Abdi, RNRegistered Nurse1467156190
- Matthew Aboudara, M.D.Pulmonary Disease Physician1659475135
- Sammy Abukwiek, APRN-CNPNurse Practitioner1558971077
- Utkarsh Acharya, D.O.Medical Oncology Physician1285860981
- Meshaal Alanzi, MDNephrology Physician1275212037
- Musab Alebrahim, M.D.Transplant Surgery Physician1679090831
Verify Alejandro Diez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.099766Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average nephrology physician in 2024
1,220 Medicare Part D claims for 179 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Sulfamethoxazole-Trimethoprim426 claims
- Prednisone104 claims
- Tacrolimus70 claims
- Mycophenolic Acid60 claims
- Lokelma42 claims
- Nifedipine Er41 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.
The MIPS final score for 2023 (Medicare payment program): 95.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $17.98
1 payment: food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals 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.
Bills Medicare through one group practice
- Osu Internal Medicine LLCColumbus, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alejandro Diez among 499 nephrology physician records in Ohio
Alejandro Diez, 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 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 39% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2003 · median 2002 among the 374 with a school on file
- Record last updated2026 · 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 Columbus → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Anil Agarwal, M.D.Columbus, OH 432101639115413
- Meshaal Alanzi, MDColumbus, OH 432101275212037
- Liza Cholin, M.D.Columbus, OH 432101497117139
- Lee Hebert, M.D.Columbus, OH 432101124035522
- Sethu Madhavan, MDColumbus, OH 432101003015850
- Rohan Mehta, M.D.Columbus, OH 432101255642427
- Uday Nori, M.D.Columbus, OH 432101013923234
- Todd Pesavento, M.D.Columbus, OH 432101629085030
Common questions
What is Alejandro Diez, MD's NPI number?
Alejandro Diez, MD's National Provider Identifier (NPI) is 1669670782, issued on Jul 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alejandro Diez, MD located?
The NPPES record lists a practice address at 300 W 10TH Ave, Columbus, OH, 43210. Phone: (614) 293-4837. Providers update this record themselves, so call before visiting.
How can I verify Alejandro Diez, MD's license?
NPPES lists Ohio license number 35.099766, 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 Alejandro Diez, MD prescribe under Medicare Part D?
In 2024, Alejandro Diez, MD had 1,220 Medicare Part D claims for 179 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Alejandro Diez, MD's MIPS final score?
The 2023 MIPS final score is 95.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.