Diorella Guloy, DO
Hospitalist Physician · Berwyn, IL
Diorella Guloy, DO is a hospitalist physician with a practice address in Berwyn, Illinois, and NPI 1477782597, issued on Jul 10, 2009. Check the license (Illinois 036129072, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Diorella Guloy
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 036129072 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3249 Oak Park Ave, Berwyn, IL 60402
- Phone
- (708) 783-9100
- Enumerated
- Jul 10, 2009
- Record last updated
- Jun 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20130524000400); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 3249 Oak Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sumayyah Ahmed, PA-CPhysician Assistant1851084206
- Michelle Akan, CRNACertified Registered Nurse Anesthetist1376808683
- Angela Alcarraz Bedrillana, MDInternal Medicine Physician1033813720
- Haris Aleem, MDHospitalist Physician1063409795
- John Alexis, M.D.Emergency Medicine Physician1689608713
Verify Diorella Guloy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036129072Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average hospitalist physician in 2024
222 Medicare Part D claims for 96 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen18 claims
- Levothyroxine Sodium13 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: $185.25
7 payments; by number, the most common kind was food and beverage; the largest payer was Melinta Therapeutics, LLC. The 7,324 providers of this specialty with any payment received $494.84 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
- Loyola Medical Group LLCBerwyn, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diorella Guloy among 1,535 hospitalist physician records in Illinois
Diorella Guloy, DO is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 26% of them.
- NPI issued2009 · 26% of these records are older, 70% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2009 · median 2013 among the 1,339 with a school on file
- Record last updated2024 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Illinois
There are 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Berwyn → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Haris Aleem, MDBerwyn, IL 604021063409795
- James Martin, MDBerwyn, IL 604021235382011
- Janardhan Mydam, M.DBerwyn, IL 604021396024972
- Jody Allan Junia, MDHarvey, IL 604261710065206
- Mohammed BadaruddinHazel Crest, IL 604291447991898
- Faiza Banu, MBBSHazel Crest, IL 604291770224164
- Arslan Chaudhry, M.D.Hazel Crest, IL 604291427444967
- Julie Kim, MDHazel Crest, IL 604291568787737
Common questions
What is Diorella Guloy, DO's NPI number?
Diorella Guloy, DO's National Provider Identifier (NPI) is 1477782597, issued on Jul 10, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Diorella Guloy, DO located?
The NPPES record lists a practice address at 3249 Oak Park Ave, Berwyn, IL, 60402. Phone: (708) 783-9100. Providers update this record themselves, so call before visiting.
How can I verify Diorella Guloy, DO's license?
NPPES lists Illinois license number 036129072, 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 Diorella Guloy, DO prescribe under Medicare Part D?
In 2024, Diorella Guloy, DO had 222 Medicare Part D claims for 96 beneficiaries; the average among hospitalist physician prescribers was 521. 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.