NPPES file of Aug 9, 2026

Rodrigo M. Ubilluz, M.D.

Neurology Physician · Downers Grove, IL

Rodrigo M. Ubilluz, M.D. is a neurology physician with a practice address in Downers Grove, Illinois, and NPI 1811991383, issued on Jun 12, 2005. Check the license (Illinois 036081581, 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
1811991383
Name
Rodrigo M. Ubilluz
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
036081581 IL
Self-reported in NPPES; status is on the state search
Practice location
4121 Fairview Ave, Downers Grove, IL 60515
Phone
(630) 964-7136
Enumerated
Jun 12, 2005
Record last updated
Mar 10, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(773) 767-3944
Medicaid ID
036081581 IL
Medicare enrollment
Enrolled (PECOS I20040420000466); accepts Medicare assignment
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 neurology physician records → All 952 in Illinois → Look up another NPI →

Also registered at 4121 Fairview Ave

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

  1. Naheed Akhter, MDObstetrics & Gynecology Physician1861555179
  2. Enas Enas, M.D.Specialist1093771040
  3. Amy Gaunt, MDObstetrics & Gynecology Physician1063580801
  4. Rabindra Malhotra, M.D.Specialist1407838204
  5. Sitara Sharif, MDFamily Medicine Physician1477590735
  6. Mazar Shuaipaj, DDSDentist1205993193

Verify Rodrigo M. Ubilluz 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 036081581    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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55% more Medicare Part D claims than the average neurology physician in 2024

2,128 Medicare Part D claims for 227 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 75 claims were for opioids.

  1. Rodrigo Ubilluz2,128
  2. Specialty average1,370

Most prescribed

  1. Gabapentin288 claims
  2. Levetiracetam136 claims
  3. Clonazepam96 claims
  4. Memantine Hcl84 claims
  5. Galantamine Er81 claims
  6. Nortriptyline Hcl76 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: $1,290.54

61 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, 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. Rodrigo Ubilluz$1,290.54
  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.

Rodrigo M. Ubilluz among 952 neurology physician records in Illinois

Rodrigo M. Ubilluz, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1984 · median 2006 among the 573 with a school on file
  • Record last updated2017 · 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.

All 952 in Illinois → Every provider in Downers Grove → Neurology Physician nationwide →

The 8 neurology physician records with the nearest ZIP codes

  1. Leslie Masood, M.D.Downers Grove, IL 605151396951240
  2. Nina Paleologos, MDDowners Grove, IL 605151689733552
  3. Rizwan Bajwa, DOHinsdale, IL 605211578518569
  4. Staci Boldizsar, M.D.Hinsdale, IL 605211548585128
  5. Michael Boyd, M.D.Hinsdale, IL 605211891924999
  6. Kerry Disanto, MDHinsdale, IL 605211386640878
  7. Helge Frank, MDHinsdale, IL 605211285658914
  8. Gene Neri, MDHinsdale, IL 605211922124569

Common questions

What is Rodrigo M. Ubilluz, M.D.'s NPI number?

Rodrigo M. Ubilluz, M.D.'s National Provider Identifier (NPI) is 1811991383, issued on Jun 12, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Rodrigo M. Ubilluz, M.D. located?

The NPPES record lists a practice address at 4121 Fairview Ave, Downers Grove, IL, 60515. Phone: (630) 964-7136. Providers update this record themselves, so call before visiting.

How can I verify Rodrigo M. Ubilluz, M.D.'s license?

NPPES lists Illinois license number 036081581, 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 Rodrigo M. Ubilluz, M.D. prescribe under Medicare Part D?

In 2024, Rodrigo M. Ubilluz, M.D. had 2,128 Medicare Part D claims for 227 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.

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.