NPPES file of Aug 9, 2026

Gunar Gonzalo Subieta Benito, MD

Pain Medicine (Anesthesiology) Physician · Chicago, IL

Gunar Gonzalo Subieta Benito, MD is a pain medicine (anesthesiology) physician with a practice address in Chicago, Illinois, and NPI 1629242524, issued on Apr 22, 2008. Check the license (Illinois 036119963, 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
1629242524
Name
Gunar Gonzalo Subieta Benito
Credential
MD
Primary taxonomy
Pain Medicine (Anesthesiology) Physician 207LP2900X
License numbers
036119963 IL
036-119963 IL
Self-reported in NPPES; status is on the state search
Practice location
1901 W Harrison St, Chicago, IL 60612
Phone
(312) 864-3220
Enumerated
Apr 22, 2008
Record last updated
Apr 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120723000560); 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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8 nearest pain medicine (anesthesiology) physician records → All 203 in Illinois → Look up another NPI →

Also registered at 1901 W Harrison St

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

  1. Elias Abate, M.D.Internal Medicine Physician1336712199
  2. Ayesha Abbasi, MDInternal Medicine Physician1376216705
  3. Milagros Abellera, APNNurse Practitioner1528076239
  4. Annette Abraham, MDInfectious Disease Physician1083195093
  5. Fidel Abrego, MDObstetrics & Gynecology Physician1245351824
  6. Bryan Acevedo, MDInternal Medicine Physician1598459612

Verify Gunar Gonzalo Subieta Benito 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 036119963    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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90% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024

182 Medicare Part D claims for 65 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. 46 claims were for opioids.

  1. Gunar Subieta Benito182
  2. Specialty average1,750

Most prescribed

  1. Duloxetine Hcl44 claims
  2. Tramadol Hcl33 claims
  3. Pregabalin21 claims
  4. Gabapentin19 claims
  5. Meloxicam11 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: $862.00

1 payment: consulting fee; the largest payer was Medtronic, Inc. The 2,789 providers of this specialty with any payment received $3,225.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gunar Subieta Benito$862.00
  2. Specialty average$3,225.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Cook CountyChicago, IL
  2. Insight Chicago IncChicago, IL

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

Gunar Gonzalo Subieta Benito among 203 pain medicine (anesthesiology) physician records in Illinois

Gunar Gonzalo Subieta Benito, MD is one of 203 pain medicine (anesthesiology) physician records with a practice address in Illinois. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 62% of them.

  • NPI issued2008 · 62% of these records are older, 33% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2002 · median 2002 among the 144 with a school on file
  • Record last updated2021 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Anesthesiology) Physician providers in Illinois

There are 203 pain medicine (anesthesiology) physician records in Illinois.

All 203 in Illinois → Every provider in Chicago → Pain Medicine (Anesthesiology) Physician nationwide →

The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes

  1. Rani Chovatiya, M.D.Chicago, IL 606121730323403
  2. Veronica GarciaChicago, IL 606121366474926
  3. Silvio Glusman, MD, PHDChicago, IL 606121396862926
  4. William Landphair, D.O.Chicago, IL 606121467742577
  5. Charles Laurito, MDChicago, IL 606121235244047
  6. Khalid Malik, MDChicago, IL 606121881684231
  7. Abed Rahman, M.D.Chicago, IL 606121629115258
  8. Andrzej Staszkiewicz, MDChicago, IL 606121689866717

Common questions

What is Gunar Gonzalo Subieta Benito, MD's NPI number?

Gunar Gonzalo Subieta Benito, MD's National Provider Identifier (NPI) is 1629242524, issued on Apr 22, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Gunar Gonzalo Subieta Benito, MD located?

The NPPES record lists a practice address at 1901 W Harrison St, Chicago, IL, 60612. Phone: (312) 864-3220. Providers update this record themselves, so call before visiting.

How can I verify Gunar Gonzalo Subieta Benito, MD's license?

NPPES lists Illinois license number 036119963, 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 Gunar Gonzalo Subieta Benito, MD prescribe under Medicare Part D?

In 2024, Gunar Gonzalo Subieta Benito, MD had 182 Medicare Part D claims for 65 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.