Jacob Cherukara Alexander, MD
Nephrology Physician · Ames, IA
Jacob Cherukara Alexander, MD is a nephrology physician with a practice address in Ames, Iowa, and NPI 1558357376, issued on Sep 27, 2005. Check the license (Iowa 34058, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Jacob Cherukara Alexander
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 34058 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1015 Duff Ave, Ames, IA 50010
- Phone
- (515) 239-4760
- Enumerated
- Sep 27, 2005
- Record last updated
- Nov 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (515) 239-4420
- Medicaid ID
- 0288555 IA
- Medicare enrollment
- Enrolled (PECOS I20100208000692); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 92 in Iowa → Look up another NPI →
Also registered at 1015 Duff Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rami Almokayyad, MDEndocrinology, Diabetes & Metabolism Physician1194929786
- Lavanya Amuluru, Md, MDNephrology Physician1265588834
- Roberta Baldus, PACObstetrics & Gynecology Physician1518967454
- Bonnie Beer, M.D.Obstetrics & Gynecology Physician1609863216
- Gregory Brandenberg, MD, PH.D.Neurological Surgery Physician1487629762
- Donna Deardorff, CNM, ARNPAdvanced Practice Midwife1033107768
Verify Jacob Cherukara Alexander in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 34058Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average nephrology physician in 2024
2,623 Medicare Part D claims for 351 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Furosemide237 claims
- Amlodipine Besylate191 claims
- Lisinopril157 claims
- Jardiance140 claims
- Potassium Chloride136 claims
- Bumetanide117 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: $24.61
1 payment: education; the largest payer was Akebia 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.
Bills Medicare through one group practice
- Mcfarland Clinic PCAmes, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob Cherukara Alexander among 92 nephrology physician records in Iowa
Jacob Cherukara Alexander, MD is one of 92 nephrology physician records with a practice address in Iowa. 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, 84% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1998 · median 2001 among the 67 with a school on file
- Record last updated2020 · 48% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Iowa
There are 92 nephrology physician records in Iowa.
All 92 in Iowa → Every provider in Ames → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Lavanya Amuluru, Md, MDAmes, IA 500101265588834
- Suhail Haddadin, MDAmes, IA 500101881207215
- Steven Hallberg, M.D.Ames, IA 500101720077035
- Mark Belz, MDDes Moines, IA 503091427012061
- Bruce Buchsbaum, M.D.Des Moines, IA 503091326041450
- Kanwaljit Chouhan, MDDes Moines, IA 503091033384086
- Sanjiv Dahal, MDDes Moines, IA 503091376506121
- Michael Flood, DODes Moines, IA 503091740243591
Common questions
What is Jacob Cherukara Alexander, MD's NPI number?
Jacob Cherukara Alexander, MD's National Provider Identifier (NPI) is 1558357376, issued on Sep 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jacob Cherukara Alexander, MD located?
The NPPES record lists a practice address at 1015 Duff Ave, Ames, IA, 50010. Phone: (515) 239-4760. Providers update this record themselves, so call before visiting.
How can I verify Jacob Cherukara Alexander, MD's license?
NPPES lists Iowa license number 34058, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jacob Cherukara Alexander, MD prescribe under Medicare Part D?
In 2024, Jacob Cherukara Alexander, MD had 2,623 Medicare Part D claims for 351 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.