NPPES file of Aug 9, 2026

Ignacio J. Keller Sarmiento, MD

Neurology Physician · Chicago, IL

Ignacio J. Keller Sarmiento, MD is a neurology physician with a practice address in Chicago, Illinois, and NPI 1730818287, issued on Jun 9, 2022. Check the license (Illinois 036168434, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730818287
Name
Ignacio J. Keller Sarmiento
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
036168434 IL
Self-reported in NPPES; status is on the state search
Practice location
259 E Erie St Ste 1900, Chicago, IL 60611
Phone
(312) 695-7950
Enumerated
Jun 9, 2022
Record last updated
Dec 13, 2024
Fax
(312) 695-5747
Medicare enrollment
Enrolled (PECOS I20240729004320); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 259 E Erie St Ste 1900

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Scott Adney, M.D.Epilepsy Physician1467847251
  2. Senda Ajroud-Driss, MDNeuromuscular Medicine (Psychiatry & Neurology) Physician1164412557
  3. Rizwan Akhtar, MDNeurology Physician1770786865
  4. Roumen Balabanov, M.D.Neurology Physician1508817941
  5. Bianca Barcelo, MDNeurology Physician1154779718
  6. Aasheeta Bawa, PA-CPhysician Assistant1861865347

Verify Ignacio J. Keller Sarmiento in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036168434
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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88% fewer Medicare Part D claims than the average neurology physician in 2024

158 Medicare Part D claims for 64 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Ignacio Keller Sarmiento158
  2. Specialty average1,370

Most prescribed

  1. Carbidopa-Levodopa62 claims
  2. Carbidopa-Levodopa Er19 claims
  3. Propranolol Hcl13 claims
  4. Donepezil Hcl12 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: $519.43

7 payments; by number, the most common kind was food and beverage; the largest payer was Acadia Pharmaceuticals Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ignacio Keller Sarmiento$519.43
  2. Specialty average$8,318.07

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

  1. Northwestern Medical Faculty FoundationChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ignacio J. Keller Sarmiento among 952 neurology physician records in Illinois

Ignacio J. Keller Sarmiento, MD is one of 952 neurology physician records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 85% of them.

  • NPI issued2022 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2015 · median 2006 among the 573 with a school on file
  • Record last updated2024 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Illinois

There are 952 neurology physician records in Illinois.

The 8 neurology physician records with the nearest ZIP codes

  1. Roumen Balabanov, M.D.Chicago, IL 606111508817941
  2. Bruce Cohen, MDChicago, IL 606111174553580
  3. Jennifer Goldman, MDChicago, IL 606111366428724
  4. Ramadevi Gourineni, MDChicago, IL 606111508801861
  5. Timothy Hain, MDChicago, IL 606111285620492
  6. Scott Heller, MDChicago, IL 606111962409243
  7. Sam Ho, M.D.Chicago, IL 606111851352272
  8. Suja Ann Joseph, MDChicago, IL 606111518911882

Common questions

What is Ignacio J. Keller Sarmiento, MD's NPI number?

Ignacio J. Keller Sarmiento, MD's National Provider Identifier (NPI) is 1730818287, issued on Jun 9, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Ignacio J. Keller Sarmiento, MD located?

The NPPES record lists a practice address at 259 E Erie St Ste 1900, Chicago, IL, 60611. Phone: (312) 695-7950. Providers update this record themselves, so call before visiting.

How can I verify Ignacio J. Keller Sarmiento, MD's license?

NPPES lists Illinois license number 036168434, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ignacio J. Keller Sarmiento, MD prescribe under Medicare Part D?

In 2024, Ignacio J. Keller Sarmiento, MD had 158 Medicare Part D claims for 64 beneficiaries; the average among neurology physician prescribers was 1,370. 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.